diff options
-rw-r--r-- | Documentation/config/merge.txt | 10 | ||||
-rw-r--r-- | Documentation/git-merge.txt | 11 | ||||
-rw-r--r-- | Documentation/git-pull.txt | 9 | ||||
-rw-r--r-- | Documentation/merge-options.txt | 8 | ||||
-rw-r--r-- | Makefile | 78 | ||||
-rw-r--r-- | branch.c | 1 | ||||
-rw-r--r-- | builtin/commit.c | 2 | ||||
-rw-r--r-- | builtin/merge.c | 25 | ||||
-rw-r--r-- | builtin/pull.c | 9 | ||||
-rw-r--r-- | builtin/rebase.c | 308 | ||||
-rw-r--r-- | parse-options.h | 1 | ||||
-rw-r--r-- | path.c | 1 | ||||
-rw-r--r-- | path.h | 4 | ||||
-rw-r--r-- | reset.c | 141 | ||||
-rw-r--r-- | reset.h | 20 | ||||
-rw-r--r-- | sequencer.c | 176 | ||||
-rw-r--r-- | sequencer.h | 20 | ||||
-rwxr-xr-x | t/t3033-merge-toplevel.sh | 22 | ||||
-rwxr-xr-x | t/t5520-pull.sh | 57 | ||||
-rwxr-xr-x | t/t7600-merge.sh | 154 |
20 files changed, 666 insertions, 391 deletions
diff --git a/Documentation/config/merge.txt b/Documentation/config/merge.txt index 6a313937f8c..cb2ed589075 100644 --- a/Documentation/config/merge.txt +++ b/Documentation/config/merge.txt @@ -70,6 +70,16 @@ merge.stat:: Whether to print the diffstat between ORIG_HEAD and the merge result at the end of the merge. True by default. +merge.autoStash:: + When set to true, automatically create a temporary stash entry + before the operation begins, and apply it after the operation + ends. This means that you can run merge on a dirty worktree. + However, use with care: the final stash application after a + successful merge might result in non-trivial conflicts. + This option can be overridden by the `--no-autostash` and + `--autostash` options of linkgit:git-merge[1]. + Defaults to false. + merge.tool:: Controls which merge tool is used by linkgit:git-mergetool[1]. The list below shows the valid built-in values. diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index 092529c619e..ec06b2f8c24 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -94,7 +94,8 @@ will be appended to the specified message. --abort:: Abort the current conflict resolution process, and - try to reconstruct the pre-merge state. + try to reconstruct the pre-merge state. If an autostash entry is + present, apply it to the worktree. + If there were uncommitted worktree changes present when the merge started, 'git merge --abort' will in some cases be unable to @@ -102,11 +103,15 @@ reconstruct these changes. It is therefore recommended to always commit or stash your changes before running 'git merge'. + 'git merge --abort' is equivalent to 'git reset --merge' when -`MERGE_HEAD` is present. +`MERGE_HEAD` is present unless `MERGE_AUTOSTASH` is also present in +which case 'git merge --abort' applies the stash entry to the worktree +whereas 'git reset --merge' will save the stashed changes in the stash +reflog. --quit:: Forget about the current merge in progress. Leave the index - and the working tree as-is. + and the working tree as-is. If `MERGE_AUTOSTASH` is present, the + stash entry will be saved to the stash reflog. --continue:: After a 'git merge' stops due to conflicts you can conclude the diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 9c7ab2d48f1..5c3fb67c014 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -134,15 +134,6 @@ unless you have read linkgit:git-rebase[1] carefully. --no-rebase:: Override earlier --rebase. ---autostash:: ---no-autostash:: - Before starting rebase, stash local modifications away (see - linkgit:git-stash[1]) if needed, and apply the stash entry when - done. `--no-autostash` is useful to override the `rebase.autoStash` - configuration variable (see linkgit:git-config[1]). -+ -This option is only valid when "--rebase" is used. - Options related to fetching ~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt index fb3a6e8d429..80d4831662c 100644 --- a/Documentation/merge-options.txt +++ b/Documentation/merge-options.txt @@ -160,6 +160,14 @@ ifndef::git-pull[] endif::git-pull[] +--autostash:: +--no-autostash:: + Automatically create a temporary stash entry before the operation + begins, and apply it after the operation ends. This means + that you can run the operation on a dirty worktree. However, use + with care: the final stash application after a successful + merge might result in non-trivial conflicts. + --allow-unrelated-histories:: By default, `git merge` command refuses to merge histories that do not share a common ancestor. This option can be @@ -610,8 +610,8 @@ SCRIPT_SH += git-web--browse.sh SCRIPT_LIB += git-mergetool--lib SCRIPT_LIB += git-parse-remote SCRIPT_LIB += git-rebase--preserve-merges -SCRIPT_LIB += git-sh-setup SCRIPT_LIB += git-sh-i18n +SCRIPT_LIB += git-sh-setup SCRIPT_PERL += git-add--interactive.perl SCRIPT_PERL += git-archimport.perl @@ -679,9 +679,9 @@ PROGRAM_OBJS += daemon.o PROGRAM_OBJS += fast-import.o PROGRAM_OBJS += http-backend.o PROGRAM_OBJS += imap-send.o +PROGRAM_OBJS += remote-testsvn.o PROGRAM_OBJS += sh-i18n--envsubst.o PROGRAM_OBJS += shell.o -PROGRAM_OBJS += remote-testsvn.o # Binary suffix, set to .exe for Windows builds X = @@ -703,15 +703,16 @@ TEST_BUILTINS_OBJS += test-dump-untracked-cache.o TEST_BUILTINS_OBJS += test-example-decorate.o TEST_BUILTINS_OBJS += test-genrandom.o TEST_BUILTINS_OBJS += test-genzeros.o +TEST_BUILTINS_OBJS += test-hash-speed.o TEST_BUILTINS_OBJS += test-hash.o TEST_BUILTINS_OBJS += test-hashmap.o -TEST_BUILTINS_OBJS += test-hash-speed.o TEST_BUILTINS_OBJS += test-index-version.o TEST_BUILTINS_OBJS += test-json-writer.o TEST_BUILTINS_OBJS += test-lazy-init-name-hash.o TEST_BUILTINS_OBJS += test-match-trees.o TEST_BUILTINS_OBJS += test-mergesort.o TEST_BUILTINS_OBJS += test-mktemp.o +TEST_BUILTINS_OBJS += test-oid-array.o TEST_BUILTINS_OBJS += test-oidmap.o TEST_BUILTINS_OBJS += test-online-cpus.o TEST_BUILTINS_OBJS += test-parse-options.o @@ -732,7 +733,6 @@ TEST_BUILTINS_OBJS += test-run-command.o TEST_BUILTINS_OBJS += test-scrap-cache-tree.o TEST_BUILTINS_OBJS += test-serve-v2.o TEST_BUILTINS_OBJS += test-sha1.o -TEST_BUILTINS_OBJS += test-oid-array.o TEST_BUILTINS_OBJS += test-sha256.o TEST_BUILTINS_OBJS += test-sigchain.o TEST_BUILTINS_OBJS += test-strcmp-offset.o @@ -742,10 +742,10 @@ TEST_BUILTINS_OBJS += test-submodule-nested-repo-config.o TEST_BUILTINS_OBJS += test-subprocess.o TEST_BUILTINS_OBJS += test-trace2.o TEST_BUILTINS_OBJS += test-urlmatch-normalization.o -TEST_BUILTINS_OBJS += test-xml-encode.o TEST_BUILTINS_OBJS += test-wildmatch.o TEST_BUILTINS_OBJS += test-windows-named-pipe.o TEST_BUILTINS_OBJS += test-write-cache.o +TEST_BUILTINS_OBJS += test-xml-encode.o # Do not add more tests here unless they have extra dependencies. Add # them in TEST_BUILTINS_OBJS above. @@ -782,10 +782,10 @@ OTHER_PROGRAMS = git$X # what test wrappers are needed and 'install' will install, in bindir BINDIR_PROGRAMS_NEED_X += git -BINDIR_PROGRAMS_NEED_X += git-upload-pack BINDIR_PROGRAMS_NEED_X += git-receive-pack -BINDIR_PROGRAMS_NEED_X += git-upload-archive BINDIR_PROGRAMS_NEED_X += git-shell +BINDIR_PROGRAMS_NEED_X += git-upload-archive +BINDIR_PROGRAMS_NEED_X += git-upload-pack BINDIR_PROGRAMS_NO_X += git-cvsserver @@ -825,9 +825,9 @@ LIB_OBJS += advice.o LIB_OBJS += alias.o LIB_OBJS += alloc.o LIB_OBJS += apply.o -LIB_OBJS += archive.o LIB_OBJS += archive-tar.o LIB_OBJS += archive-zip.o +LIB_OBJS += archive.o LIB_OBJS += argv-array.o LIB_OBJS += attr.o LIB_OBJS += base85.o @@ -843,9 +843,9 @@ LIB_OBJS += checkout.o LIB_OBJS += color.o LIB_OBJS += column.o LIB_OBJS += combine-diff.o -LIB_OBJS += commit.o LIB_OBJS += commit-graph.o LIB_OBJS += commit-reach.o +LIB_OBJS += commit.o LIB_OBJS += compat/obstack.o LIB_OBJS += compat/terminal.o LIB_OBJS += config.o @@ -859,17 +859,17 @@ LIB_OBJS += ctype.o LIB_OBJS += date.o LIB_OBJS += decorate.o LIB_OBJS += delta-islands.o +LIB_OBJS += diff-delta.o +LIB_OBJS += diff-lib.o +LIB_OBJS += diff-no-index.o +LIB_OBJS += diff.o LIB_OBJS += diffcore-break.o LIB_OBJS += diffcore-delta.o LIB_OBJS += diffcore-order.o LIB_OBJS += diffcore-pickaxe.o LIB_OBJS += diffcore-rename.o -LIB_OBJS += diff-delta.o -LIB_OBJS += diff-lib.o -LIB_OBJS += diff-no-index.o -LIB_OBJS += diff.o -LIB_OBJS += dir.o LIB_OBJS += dir-iterator.o +LIB_OBJS += dir.o LIB_OBJS += editor.o LIB_OBJS += entry.o LIB_OBJS += environment.o @@ -888,7 +888,6 @@ LIB_OBJS += gpg-interface.o LIB_OBJS += graph.o LIB_OBJS += grep.o LIB_OBJS += hashmap.o -LIB_OBJS += linear-assignment.o LIB_OBJS += help.o LIB_OBJS += hex.o LIB_OBJS += ident.o @@ -898,9 +897,10 @@ LIB_OBJS += kwset.o LIB_OBJS += levenshtein.o LIB_OBJS += line-log.o LIB_OBJS += line-range.o -LIB_OBJS += list-objects.o -LIB_OBJS += list-objects-filter.o +LIB_OBJS += linear-assignment.o LIB_OBJS += list-objects-filter-options.o +LIB_OBJS += list-objects-filter.o +LIB_OBJS += list-objects.o LIB_OBJS += ll-merge.o LIB_OBJS += lockfile.o LIB_OBJS += log-tree.o @@ -909,32 +909,32 @@ LIB_OBJS += mailinfo.o LIB_OBJS += mailmap.o LIB_OBJS += match-trees.o LIB_OBJS += mem-pool.o -LIB_OBJS += merge.o LIB_OBJS += merge-blobs.o LIB_OBJS += merge-recursive.o +LIB_OBJS += merge.o LIB_OBJS += mergesort.o LIB_OBJS += midx.o LIB_OBJS += name-hash.o LIB_OBJS += negotiator/default.o LIB_OBJS += negotiator/skipping.o -LIB_OBJS += notes.o LIB_OBJS += notes-cache.o LIB_OBJS += notes-merge.o LIB_OBJS += notes-utils.o +LIB_OBJS += notes.o LIB_OBJS += object.o +LIB_OBJS += oid-array.o LIB_OBJS += oidmap.o LIB_OBJS += oidset.o -LIB_OBJS += oid-array.o -LIB_OBJS += packfile.o -LIB_OBJS += pack-bitmap.o LIB_OBJS += pack-bitmap-write.o +LIB_OBJS += pack-bitmap.o LIB_OBJS += pack-check.o LIB_OBJS += pack-objects.o LIB_OBJS += pack-revindex.o LIB_OBJS += pack-write.o +LIB_OBJS += packfile.o LIB_OBJS += pager.o -LIB_OBJS += parse-options.o LIB_OBJS += parse-options-cb.o +LIB_OBJS += parse-options.o LIB_OBJS += patch-delta.o LIB_OBJS += patch-ids.o LIB_OBJS += path.o @@ -952,8 +952,9 @@ LIB_OBJS += quote.o LIB_OBJS += range-diff.o LIB_OBJS += reachable.o LIB_OBJS += read-cache.o -LIB_OBJS += rebase.o LIB_OBJS += rebase-interactive.o +LIB_OBJS += rebase.o +LIB_OBJS += ref-filter.o LIB_OBJS += reflog-walk.o LIB_OBJS += refs.o LIB_OBJS += refs/files-backend.o @@ -961,12 +962,12 @@ LIB_OBJS += refs/iterator.o LIB_OBJS += refs/packed-backend.o LIB_OBJS += refs/ref-cache.o LIB_OBJS += refspec.o -LIB_OBJS += ref-filter.o LIB_OBJS += remote.o LIB_OBJS += replace-object.o LIB_OBJS += repo-settings.o LIB_OBJS += repository.o LIB_OBJS += rerere.o +LIB_OBJS += reset.o LIB_OBJS += resolve-undo.o LIB_OBJS += revision.o LIB_OBJS += run-command.o @@ -975,8 +976,8 @@ LIB_OBJS += sequencer.o LIB_OBJS += serve.o LIB_OBJS += server-info.o LIB_OBJS += setup.o -LIB_OBJS += sha1-lookup.o LIB_OBJS += sha1-file.o +LIB_OBJS += sha1-lookup.o LIB_OBJS += sha1-name.o LIB_OBJS += shallow.o LIB_OBJS += sideband.o @@ -986,9 +987,9 @@ LIB_OBJS += stable-qsort.o LIB_OBJS += strbuf.o LIB_OBJS += streaming.o LIB_OBJS += string-list.o -LIB_OBJS += submodule.o -LIB_OBJS += submodule-config.o LIB_OBJS += sub-process.o +LIB_OBJS += submodule-config.o +LIB_OBJS += submodule.o LIB_OBJS += symlinks.o LIB_OBJS += tag.o LIB_OBJS += tempfile.o @@ -1007,11 +1008,11 @@ LIB_OBJS += trace2/tr2_tgt_normal.o LIB_OBJS += trace2/tr2_tgt_perf.o LIB_OBJS += trace2/tr2_tls.o LIB_OBJS += trailer.o -LIB_OBJS += transport.o LIB_OBJS += transport-helper.o +LIB_OBJS += transport.o LIB_OBJS += tree-diff.o -LIB_OBJS += tree.o LIB_OBJS += tree-walk.o +LIB_OBJS += tree.o LIB_OBJS += unpack-trees.o LIB_OBJS += upload-pack.o LIB_OBJS += url.o @@ -1051,9 +1052,9 @@ BUILTIN_OBJS += builtin/checkout.o BUILTIN_OBJS += builtin/clean.o BUILTIN_OBJS += builtin/clone.o BUILTIN_OBJS += builtin/column.o +BUILTIN_OBJS += builtin/commit-graph.o BUILTIN_OBJS += builtin/commit-tree.o BUILTIN_OBJS += builtin/commit.o -BUILTIN_OBJS += builtin/commit-graph.o BUILTIN_OBJS += builtin/config.o BUILTIN_OBJS += builtin/count-objects.o BUILTIN_OBJS += builtin/credential.o @@ -1084,13 +1085,13 @@ BUILTIN_OBJS += builtin/ls-remote.o BUILTIN_OBJS += builtin/ls-tree.o BUILTIN_OBJS += builtin/mailinfo.o BUILTIN_OBJS += builtin/mailsplit.o -BUILTIN_OBJS += builtin/merge.o BUILTIN_OBJS += builtin/merge-base.o BUILTIN_OBJS += builtin/merge-file.o BUILTIN_OBJS += builtin/merge-index.o BUILTIN_OBJS += builtin/merge-ours.o BUILTIN_OBJS += builtin/merge-recursive.o BUILTIN_OBJS += builtin/merge-tree.o +BUILTIN_OBJS += builtin/merge.o BUILTIN_OBJS += builtin/mktag.o BUILTIN_OBJS += builtin/mktree.o BUILTIN_OBJS += builtin/multi-pack-index.o @@ -1110,9 +1111,9 @@ BUILTIN_OBJS += builtin/read-tree.o BUILTIN_OBJS += builtin/rebase.o BUILTIN_OBJS += builtin/receive-pack.o BUILTIN_OBJS += builtin/reflog.o -BUILTIN_OBJS += builtin/remote.o BUILTIN_OBJS += builtin/remote-ext.o BUILTIN_OBJS += builtin/remote-fd.o +BUILTIN_OBJS += builtin/remote.o BUILTIN_OBJS += builtin/repack.o BUILTIN_OBJS += builtin/replace.o BUILTIN_OBJS += builtin/rerere.o @@ -2331,16 +2332,16 @@ reconfigure config.mak.autogen: config.status endif XDIFF_OBJS += xdiff/xdiffi.o -XDIFF_OBJS += xdiff/xprepare.o -XDIFF_OBJS += xdiff/xutils.o XDIFF_OBJS += xdiff/xemit.o +XDIFF_OBJS += xdiff/xhistogram.o XDIFF_OBJS += xdiff/xmerge.o XDIFF_OBJS += xdiff/xpatience.o -XDIFF_OBJS += xdiff/xhistogram.o +XDIFF_OBJS += xdiff/xprepare.o +XDIFF_OBJS += xdiff/xutils.o +VCSSVN_OBJS += vcs-svn/fast_export.o VCSSVN_OBJS += vcs-svn/line_buffer.o VCSSVN_OBJS += vcs-svn/sliding_window.o -VCSSVN_OBJS += vcs-svn/fast_export.o VCSSVN_OBJS += vcs-svn/svndiff.o VCSSVN_OBJS += vcs-svn/svndump.o @@ -3148,9 +3149,10 @@ endif # ALL_COMMANDS = $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) ALL_COMMANDS += git +ALL_COMMANDS += git-citool +ALL_COMMANDS += git-gui ALL_COMMANDS += gitk ALL_COMMANDS += gitweb -ALL_COMMANDS += git-gui git-citool .PHONY: check-docs check-docs:: @@ -344,6 +344,7 @@ void remove_merge_branch_state(struct repository *r) unlink(git_path_merge_rr(r)); unlink(git_path_merge_msg(r)); unlink(git_path_merge_mode(r)); + save_autostash(git_path_merge_autostash(r)); } void remove_branch_state(struct repository *r, int verbose) diff --git a/builtin/commit.c b/builtin/commit.c index d3e7781e658..09170f5cfb1 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -1721,6 +1721,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) &oid, flags); } + apply_autostash(git_path_merge_autostash(the_repository)); + UNLEAK(err); UNLEAK(sb); return 0; diff --git a/builtin/merge.c b/builtin/merge.c index df83ba2a807..f78ac752b77 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -82,6 +82,7 @@ static int show_progress = -1; static int default_to_upstream = 1; static int signoff; static const char *sign_commit; +static int autostash; static int no_verify; static struct strategy all_strategy[] = { @@ -286,6 +287,7 @@ static struct option builtin_merge_options[] = { OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, + OPT_AUTOSTASH(&autostash), OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")), OPT_BOOL(0, "signoff", &signoff, N_("add Signed-off-by:")), OPT_BOOL(0, "no-verify", &no_verify, N_("bypass pre-merge-commit and commit-msg hooks")), @@ -475,6 +477,7 @@ static void finish(struct commit *head_commit, /* Run a post-merge hook */ run_hook_le(NULL, "post-merge", squash ? "1" : "0", NULL); + apply_autostash(git_path_merge_autostash(the_repository)); strbuf_release(&reflog_message); } @@ -636,6 +639,9 @@ static int git_merge_config(const char *k, const char *v, void *cb) return 0; } else if (!strcmp(k, "gpg.mintrustlevel")) { check_trust_level = 0; + } else if (!strcmp(k, "merge.autostash")) { + autostash = git_config_bool(k, v); + return 0; } status = fmt_merge_msg_config(k, v, cb); @@ -1283,6 +1289,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (abort_current_merge) { int nargc = 2; const char *nargv[] = {"reset", "--merge", NULL}; + struct strbuf stash_oid = STRBUF_INIT; if (orig_argc != 2) usage_msg_opt(_("--abort expects no arguments"), @@ -1291,8 +1298,17 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!file_exists(git_path_merge_head(the_repository))) die(_("There is no merge to abort (MERGE_HEAD missing).")); + if (read_oneliner(&stash_oid, git_path_merge_autostash(the_repository), + READ_ONELINER_SKIP_IF_EMPTY)) + unlink(git_path_merge_autostash(the_repository)); + /* Invoke 'git reset --merge' */ ret = cmd_reset(nargc, nargv, prefix); + + if (stash_oid.len) + apply_autostash_oid(stash_oid.buf); + + strbuf_release(&stash_oid); goto done; } @@ -1515,6 +1531,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } + if (autostash) + create_autostash(the_repository, + git_path_merge_autostash(the_repository), + "merge"); if (checkout_fast_forward(the_repository, &head_commit->object.oid, &commit->object.oid, @@ -1581,6 +1601,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (fast_forward == FF_ONLY) die(_("Not possible to fast-forward, aborting.")); + if (autostash) + create_autostash(the_repository, + git_path_merge_autostash(the_repository), + "merge"); + /* We are going to make a new commit. */ git_committer_info(IDENT_STRICT); diff --git a/builtin/pull.c b/builtin/pull.c index b5d51ea74fb..f1fa6db74e4 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -164,7 +164,7 @@ static struct option pull_options[] = { N_("verify that the named commit has a valid GPG signature"), PARSE_OPT_NOARG), OPT_BOOL(0, "autostash", &opt_autostash, - N_("automatically stash/stash pop before and after rebase")), + N_("automatically stash/stash pop before and after")), OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"), N_("merge strategy to use"), 0), @@ -695,6 +695,10 @@ static int run_merge(void) argv_array_pushv(&args, opt_strategy_opts.argv); if (opt_gpg_sign) argv_array_push(&args, opt_gpg_sign); + if (opt_autostash == 0) + argv_array_push(&args, "--no-autostash"); + else if (opt_autostash == 1) + argv_array_push(&args, "--autostash"); if (opt_allow_unrelated_histories > 0) argv_array_push(&args, "--allow-unrelated-histories"); @@ -942,9 +946,6 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (get_oid("HEAD", &orig_head)) oidclr(&orig_head); - if (!opt_rebase && opt_autostash != -1) - die(_("--[no-]autostash option is only valid with --rebase.")); - autostash = config_autostash; if (opt_rebase) { if (opt_autostash != -1) diff --git a/builtin/rebase.c b/builtin/rebase.c index c466923869d..6e9ab2a71fe 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -27,6 +27,9 @@ #include "branch.h" #include "sequencer.h" #include "rebase-interactive.h" +#include "reset.h" + +#define DEFAULT_REFLOG_ACTION "rebase" static char const * const builtin_rebase_usage[] = { N_("git rebase [-i] [options] [--exec <cmd>] " @@ -590,15 +593,6 @@ static const char *state_dir_path(const char *filename, struct rebase_options *o return path.buf; } -/* Read one file, then strip line endings */ -static int read_one(const char *path, struct strbuf *buf) -{ - if (strbuf_read_file(buf, path, 0) < 0) - return error_errno(_("could not read '%s'"), path); - strbuf_trim_trailing_newline(buf); - return 0; -} - /* Initialize the rebase options from the state directory. */ static int read_basic_state(struct rebase_options *opts) { @@ -606,8 +600,10 @@ static int read_basic_state(struct rebase_options *opts) struct strbuf buf = STRBUF_INIT; struct object_id oid; - if (read_one(state_dir_path("head-name", opts), &head_name) || - read_one(state_dir_path("onto", opts), &buf)) + if (!read_oneliner(&head_name, state_dir_path("head-name", opts), + READ_ONELINER_WARN_MISSING) || + !read_oneliner(&buf, state_dir_path("onto", opts), + READ_ONELINER_WARN_MISSING)) return -1; opts->head_name = starts_with(head_name.buf, "refs/") ? xstrdup(head_name.buf) : NULL; @@ -623,9 +619,11 @@ static int read_basic_state(struct rebase_options *opts) */ strbuf_reset(&buf); if (file_exists(state_dir_path("orig-head", opts))) { - if (read_one(state_dir_path("orig-head", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("orig-head", opts), + READ_ONELINER_WARN_MISSING)) return -1; - } else if (read_one(state_dir_path("head", opts), &buf)) + } else if (!read_oneliner(&buf, state_dir_path("head", opts), + READ_ONELINER_WARN_MISSING)) return -1; if (get_oid(buf.buf, &opts->orig_head)) return error(_("invalid orig-head: '%s'"), buf.buf); @@ -645,8 +643,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("allow_rerere_autoupdate", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("allow_rerere_autoupdate", opts), - &buf)) + if (!read_oneliner(&buf, state_dir_path("allow_rerere_autoupdate", opts), + READ_ONELINER_WARN_MISSING)) return -1; if (!strcmp(buf.buf, "--rerere-autoupdate")) opts->allow_rerere_autoupdate = RERERE_AUTOUPDATE; @@ -659,8 +657,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("gpg_sign_opt", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("gpg_sign_opt", opts), - &buf)) + if (!read_oneliner(&buf, state_dir_path("gpg_sign_opt", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->gpg_sign_opt); opts->gpg_sign_opt = xstrdup(buf.buf); @@ -668,7 +666,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("strategy", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("strategy", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("strategy", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->strategy); opts->strategy = xstrdup(buf.buf); @@ -676,7 +675,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("strategy_opts", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("strategy_opts", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("strategy_opts", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->strategy_opts); opts->strategy_opts = xstrdup(buf.buf); @@ -719,51 +719,6 @@ static int rebase_write_basic_state(struct rebase_options *opts) return 0; } -static int apply_autostash(struct rebase_options *opts) -{ - const char *path = state_dir_path("autostash", opts); - struct strbuf autostash = STRBUF_INIT; - struct child_process stash_apply = CHILD_PROCESS_INIT; - - if (!file_exists(path)) - return 0; - - if (read_one(path, &autostash)) - return error(_("Could not read '%s'"), path); - /* Ensure that the hash is not mistaken for a number */ - strbuf_addstr(&autostash, "^0"); - argv_array_pushl(&stash_apply.args, - "stash", "apply", autostash.buf, NULL); - stash_apply.git_cmd = 1; - stash_apply.no_stderr = stash_apply.no_stdout = - stash_apply.no_stdin = 1; - if (!run_command(&stash_apply)) - printf(_("Applied autostash.\n")); - else { - struct argv_array args = ARGV_ARRAY_INIT; - int res = 0; - - argv_array_pushl(&args, - "stash", "store", "-m", "autostash", "-q", - autostash.buf, NULL); - if (run_command_v_opt(args.argv, RUN_GIT_CMD)) - res = error(_("Cannot store %s"), autostash.buf); - argv_array_clear(&args); - strbuf_release(&autostash); - if (res) - return res; - - fprintf(stderr, - _("Applying autostash resulted in conflicts.\n" - "Your changes are safe in the stash.\n" - "You can run \"git stash pop\" or \"git stash drop\" " - "at any time.\n")); - } - - strbuf_release(&autostash); - return 0; -} - static int finish_rebase(struct rebase_options *opts) { struct strbuf dir = STRBUF_INIT; @@ -771,7 +726,7 @@ static int finish_rebase(struct rebase_options *opts) int ret = 0; delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); - apply_autostash(opts); + apply_autostash(state_dir_path("autostash", opts)); close_object_store(the_repository->objects); /* * We ignore errors in 'gc --auto', since the @@ -816,144 +771,6 @@ static void add_var(struct strbuf *buf, const char *name, const char *value) } } -#define GIT_REFLOG_ACTION_ENVIRONMENT "GIT_REFLOG_ACTION" - -#define RESET_HEAD_DETACH (1<<0) -#define RESET_HEAD_HARD (1<<1) -#define RESET_HEAD_RUN_POST_CHECKOUT_HOOK (1<<2) -#define RESET_HEAD_REFS_ONLY (1<<3) -#define RESET_ORIG_HEAD (1<<4) - -static int reset_head(struct object_id *oid, const char *action, - const char *switch_to_branch, unsigned flags, - const char *reflog_orig_head, const char *reflog_head) -{ - unsigned detach_head = flags & RESET_HEAD_DETACH; - unsigned reset_hard = flags & RESET_HEAD_HARD; - unsigned run_hook = flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK; - unsigned refs_only = flags & RESET_HEAD_REFS_ONLY; - unsigned update_orig_head = flags & RESET_ORIG_HEAD; - struct object_id head_oid; - struct tree_desc desc[2] = { { NULL }, { NULL } }; - struct lock_file lock = LOCK_INIT; - struct unpack_trees_options unpack_tree_opts; - struct tree *tree; - const char *reflog_action; - struct strbuf msg = STRBUF_INIT; - size_t prefix_len; - struct object_id *orig = NULL, oid_orig, - *old_orig = NULL, oid_old_orig; - int ret = 0, nr = 0; - - if (switch_to_branch && !starts_with(switch_to_branch, "refs/")) - BUG("Not a fully qualified branch: '%s'", switch_to_branch); - - if (!refs_only && hold_locked_index(&lock, LOCK_REPORT_ON_ERROR) < 0) { - ret = -1; - goto leave_reset_head; - } - - if ((!oid || !reset_hard) && get_oid("HEAD", &head_oid)) { - ret = error(_("could not determine HEAD revision")); - goto leave_reset_head; - } - - if (!oid) - oid = &head_oid; - - if (refs_only) - goto reset_head_refs; - - memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts)); - setup_unpack_trees_porcelain(&unpack_tree_opts, action); - unpack_tree_opts.head_idx = 1; - unpack_tree_opts.src_index = the_repository->index; - unpack_tree_opts.dst_index = the_repository->index; - unpack_tree_opts.fn = reset_hard ? oneway_merge : twoway_merge; - unpack_tree_opts.update = 1; - unpack_tree_opts.merge = 1; - init_checkout_metadata(&unpack_tree_opts.meta, switch_to_branch, oid, NULL); - if (!detach_head) - unpack_tree_opts.reset = 1; - - if (repo_read_index_unmerged(the_repository) < 0) { - ret = error(_("could not read index")); - goto leave_reset_head; - } - - if (!reset_hard && !fill_tree_descriptor(the_repository, &desc[nr++], &head_oid)) { - ret = error(_("failed to find tree of %s"), - oid_to_hex(&head_oid)); - goto leave_reset_head; - } - - if (!fill_tree_descriptor(the_repository, &desc[nr++], oid)) { - ret = error(_("failed to find tree of %s"), oid_to_hex(oid)); - goto leave_reset_head; - } - - if (unpack_trees(nr, desc, &unpack_tree_opts)) { - ret = -1; - goto leave_reset_head; - } - - tree = parse_tree_indirect(oid); - prime_cache_tree(the_repository, the_repository->index, tree); - - if (write_locked_index(the_repository->index, &lock, COMMIT_LOCK) < 0) { - ret = error(_("could not write index")); - goto leave_reset_head; - } - -reset_head_refs: - reflog_action = getenv(GIT_REFLOG_ACTION_ENVIRONMENT); - strbuf_addf(&msg, "%s: ", reflog_action ? reflog_action : "rebase"); - prefix_len = msg.len; - - if (update_orig_head) { - if (!get_oid("ORIG_HEAD", &oid_old_orig)) - old_orig = &oid_old_orig; - if (!get_oid("HEAD", &oid_orig)) { - orig = &oid_orig; - if (!reflog_orig_head) { - strbuf_addstr(&msg, "updating ORIG_HEAD"); - reflog_orig_head = msg.buf; - } - update_ref(reflog_orig_head, "ORIG_HEAD", orig, - old_orig, 0, UPDATE_REFS_MSG_ON_ERR); - } else if (old_orig) - delete_ref(NULL, "ORIG_HEAD", old_orig, 0); - } - - if (!reflog_head) { - strbuf_setlen(&msg, prefix_len); - strbuf_addstr(&msg, "updating HEAD"); - reflog_head = msg.buf; - } - if (!switch_to_branch) - ret = update_ref(reflog_head, "HEAD", oid, orig, - detach_head ? REF_NO_DEREF : 0, - UPDATE_REFS_MSG_ON_ERR); - else { - ret = update_ref(reflog_head, switch_to_branch, oid, - NULL, 0, UPDATE_REFS_MSG_ON_ERR); - if (!ret) - ret = create_symref("HEAD", switch_to_branch, - reflog_head); - } - if (run_hook) - run_hook_le(NULL, "post-checkout", - oid_to_hex(orig ? orig : &null_oid), - oid_to_hex(oid), "1", NULL); - -leave_reset_head: - strbuf_release(&msg); - rollback_lock_file(&lock); - while (nr) - free((void *)desc[--nr].buffer); - return ret; -} - static int move_to_original_branch(struct rebase_options *opts) { struct strbuf orig_head_reflog = STRBUF_INIT, head_reflog = STRBUF_INIT; @@ -969,8 +786,10 @@ static int move_to_original_branch(struct rebase_options *opts) opts->head_name, oid_to_hex(&opts->onto->object.oid)); strbuf_addf(&head_reflog, "rebase finished: returning to %s", opts->head_name); - ret = reset_head(NULL, "", opts->head_name, RESET_HEAD_REFS_ONLY, - orig_head_reflog.buf, head_reflog.buf); + ret = reset_head(the_repository, NULL, "", opts->head_name, + RESET_HEAD_REFS_ONLY, + orig_head_reflog.buf, head_reflog.buf, + DEFAULT_REFLOG_ACTION); strbuf_release(&orig_head_reflog); strbuf_release(&head_reflog); @@ -1058,8 +877,9 @@ static int run_am(struct rebase_options *opts) free(rebased_patches); argv_array_clear(&am.args); - reset_head(&opts->orig_head, "checkout", opts->head_name, 0, - "HEAD", NULL); + reset_head(the_repository, &opts->orig_head, "checkout", + opts->head_name, 0, + "HEAD", NULL, DEFAULT_REFLOG_ACTION); error(_("\ngit encountered an error while preparing the " "patches to replay\n" "these revisions:\n" @@ -1218,7 +1038,7 @@ finished_rebase: } else if (status == 2) { struct strbuf dir = STRBUF_INIT; - apply_autostash(opts); + apply_autostash(state_dir_path("autostash", opts)); strbuf_addstr(&dir, opts->state_dir); remove_dir_recursively(&dir, 0); strbuf_release(&dir); @@ -1459,7 +1279,6 @@ static int check_exec_cmd(const char *cmd) return 0; } - int cmd_rebase(int argc, const char **argv, const char *prefix) { struct rebase_options options = REBASE_OPTIONS_INIT; @@ -1562,8 +1381,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) { OPTION_STRING, 'S', "gpg-sign", &gpg_sign, N_("key-id"), N_("GPG-sign commits"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, - OPT_BOOL(0, "autostash", &options.autostash, - N_("automatically stash/stash pop before and after")), + OPT_AUTOSTASH(&options.autostash), OPT_STRING_LIST('x', "exec", &exec, N_("exec"), N_("add exec lines after each commit of the " "editable list")), @@ -1720,8 +1538,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) rerere_clear(the_repository, &merge_rr); string_list_clear(&merge_rr, 1); - if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD, - NULL, NULL) < 0) + if (reset_head(the_repository, NULL, "reset", NULL, RESET_HEAD_HARD, + NULL, NULL, DEFAULT_REFLOG_ACTION) < 0) die(_("could not discard worktree changes")); remove_branch_state(the_repository, 0); if (read_basic_state(&options)) @@ -1738,9 +1556,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) if (read_basic_state(&options)) exit(1); - if (reset_head(&options.orig_head, "reset", + if (reset_head(the_repository, &options.orig_head, "reset", options.head_name, RESET_HEAD_HARD, - NULL, NULL) < 0) + NULL, NULL, DEFAULT_REFLOG_ACTION) < 0) die(_("could not move back to %s"), oid_to_hex(&options.orig_head)); remove_branch_state(the_repository, 0); @@ -2098,49 +1916,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) die(_("could not read index")); if (options.autostash) { - struct lock_file lock_file = LOCK_INIT; - int fd; - - fd = hold_locked_index(&lock_file, 0); - refresh_cache(REFRESH_QUIET); - if (0 <= fd) - repo_update_index_if_able(the_repository, &lock_file); - rollback_lock_file(&lock_file); - - if (has_unstaged_changes(the_repository, 1) || - has_uncommitted_changes(the_repository, 1)) { - const char *autostash = - state_dir_path("autostash", &options); - struct child_process stash = CHILD_PROCESS_INIT; - struct object_id oid; - - argv_array_pushl(&stash.args, - "stash", "create", "autostash", NULL); - stash.git_cmd = 1; - stash.no_stdin = 1; - strbuf_reset(&buf); - if (capture_command(&stash, &buf, GIT_MAX_HEXSZ)) - die(_("Cannot autostash")); - strbuf_trim_trailing_newline(&buf); - if (get_oid(buf.buf, &oid)) - die(_("Unexpected stash response: '%s'"), - buf.buf); - strbuf_reset(&buf); - strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV); - - if (safe_create_leading_directories_const(autostash)) - die(_("Could not create directory for '%s'"), - options.state_dir); - write_file(autostash, "%s", oid_to_hex(&oid)); - printf(_("Created autostash: %s\n"), buf.buf); - if (reset_head(NULL, "reset --hard", - NULL, RESET_HEAD_HARD, NULL, NULL) < 0) - die(_("could not reset --hard")); - - if (discard_index(the_repository->index) < 0 || - repo_read_index(the_repository) < 0) - die(_("could not read index")); - } + create_autostash(the_repository, state_dir_path("autostash", &options), + DEFAULT_REFLOG_ACTION); } if (require_clean_work_tree(the_repository, "rebase", @@ -2174,10 +1951,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&buf, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.switch_to); - if (reset_head(&options.orig_head, "checkout", + if (reset_head(the_repository, + &options.orig_head, "checkout", options.head_name, RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, buf.buf) < 0) { + NULL, buf.buf, + DEFAULT_REFLOG_ACTION) < 0) { ret = !!error(_("could not switch to " "%s"), options.switch_to); @@ -2249,10 +2028,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name); - if (reset_head(&options.onto->object.oid, "checkout", NULL, + if (reset_head(the_repository, &options.onto->object.oid, "checkout", NULL, RESET_HEAD_DETACH | RESET_ORIG_HEAD | RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, msg.buf)) + NULL, msg.buf, DEFAULT_REFLOG_ACTION)) die(_("Could not detach HEAD")); strbuf_release(&msg); @@ -2267,8 +2046,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "rebase finished: %s onto %s", options.head_name ? options.head_name : "detached HEAD", oid_to_hex(&options.onto->object.oid)); - reset_head(NULL, "Fast-forwarded", options.head_name, - RESET_HEAD_REFS_ONLY, "HEAD", msg.buf); + reset_head(the_repository, NULL, "Fast-forwarded", options.head_name, + RESET_HEAD_REFS_ONLY, "HEAD", msg.buf, + DEFAULT_REFLOG_ACTION); strbuf_release(&msg); ret = !!finish_rebase(&options); goto cleanup; diff --git a/parse-options.h b/parse-options.h index fece5ba628e..46af9420930 100644 --- a/parse-options.h +++ b/parse-options.h @@ -336,5 +336,6 @@ int parse_opt_passthru_argv(const struct option *, const char *, int); #define OPT_CLEANUP(v) OPT_STRING(0, "cleanup", v, N_("mode"), N_("how to strip spaces and #comments from message")) #define OPT_PATHSPEC_FROM_FILE(v) OPT_FILENAME(0, "pathspec-from-file", v, N_("read pathspec from file")) #define OPT_PATHSPEC_FILE_NUL(v) OPT_BOOL(0, "pathspec-file-nul", v, N_("with --pathspec-from-file, pathspec elements are separated with NUL character")) +#define OPT_AUTOSTASH(v) OPT_BOOL(0, "autostash", v, N_("automatically stash/stash pop before and after")) #endif @@ -1535,5 +1535,6 @@ REPO_GIT_PATH_FUNC(merge_msg, "MERGE_MSG") REPO_GIT_PATH_FUNC(merge_rr, "MERGE_RR") REPO_GIT_PATH_FUNC(merge_mode, "MERGE_MODE") REPO_GIT_PATH_FUNC(merge_head, "MERGE_HEAD") +REPO_GIT_PATH_FUNC(merge_autostash, "MERGE_AUTOSTASH") REPO_GIT_PATH_FUNC(fetch_head, "FETCH_HEAD") REPO_GIT_PATH_FUNC(shallow, "shallow") @@ -177,11 +177,12 @@ struct path_cache { const char *merge_rr; const char *merge_mode; const char *merge_head; + const char *merge_autostash; const char *fetch_head; const char *shallow; }; -#define PATH_CACHE_INIT { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL } +#define PATH_CACHE_INIT { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL } const char *git_path_cherry_pick_head(struct repository *r); const char *git_path_revert_head(struct repository *r); @@ -190,6 +191,7 @@ const char *git_path_merge_msg(struct repository *r); const char *git_path_merge_rr(struct repository *r); const char *git_path_merge_mode(struct repository *r); const char *git_path_merge_head(struct repository *r); +const char *git_path_merge_autostash(struct repository *r); const char *git_path_fetch_head(struct repository *r); const char *git_path_shallow(struct repository *r); diff --git a/reset.c b/reset.c new file mode 100644 index 00000000000..2f4fbd07c54 --- /dev/null +++ b/reset.c @@ -0,0 +1,141 @@ +#include "git-compat-util.h" +#include "cache-tree.h" +#include "lockfile.h" +#include "refs.h" +#include "reset.h" +#include "run-command.h" +#include "tree-walk.h" +#include "tree.h" +#include "unpack-trees.h" + +int reset_head(struct repository *r, struct object_id *oid, const char *action, + const char *switch_to_branch, unsigned flags, + const char *reflog_orig_head, const char *reflog_head, + const char *default_reflog_action) +{ + unsigned detach_head = flags & RESET_HEAD_DETACH; + unsigned reset_hard = flags & RESET_HEAD_HARD; + unsigned run_hook = flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK; + unsigned refs_only = flags & RESET_HEAD_REFS_ONLY; + unsigned update_orig_head = flags & RESET_ORIG_HEAD; + struct object_id head_oid; + struct tree_desc desc[2] = { { NULL }, { NULL } }; + struct lock_file lock = LOCK_INIT; + struct unpack_trees_options unpack_tree_opts; + struct tree *tree; + const char *reflog_action; + struct strbuf msg = STRBUF_INIT; + size_t prefix_len; + struct object_id *orig = NULL, oid_orig, + *old_orig = NULL, oid_old_orig; + int ret = 0, nr = 0; + + if (switch_to_branch && !starts_with(switch_to_branch, "refs/")) + BUG("Not a fully qualified branch: '%s'", switch_to_branch); + + if (!refs_only && repo_hold_locked_index(r, &lock, LOCK_REPORT_ON_ERROR) < 0) { + ret = -1; + goto leave_reset_head; + } + + if ((!oid || !reset_hard) && get_oid("HEAD", &head_oid)) { + ret = error(_("could not determine HEAD revision")); + goto leave_reset_head; + } + + if (!oid) + oid = &head_oid; + + if (refs_only) + goto reset_head_refs; + + memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts)); + setup_unpack_trees_porcelain(&unpack_tree_opts, action); + unpack_tree_opts.head_idx = 1; + unpack_tree_opts.src_index = r->index; + unpack_tree_opts.dst_index = r->index; + unpack_tree_opts.fn = reset_hard ? oneway_merge : twoway_merge; + unpack_tree_opts.update = 1; + unpack_tree_opts.merge = 1; + init_checkout_metadata(&unpack_tree_opts.meta, switch_to_branch, oid, NULL); + if (!detach_head) + unpack_tree_opts.reset = 1; + + if (repo_read_index_unmerged(r) < 0) { + ret = error(_("could not read index")); + goto leave_reset_head; + } + + if (!reset_hard && !fill_tree_descriptor(r, &desc[nr++], &head_oid)) { + ret = error(_("failed to find tree of %s"), + oid_to_hex(&head_oid)); + goto leave_reset_head; + } + + if (!fill_tree_descriptor(r, &desc[nr++], oid)) { + ret = error(_("failed to find tree of %s"), oid_to_hex(oid)); + goto leave_reset_head; + } + + if (unpack_trees(nr, desc, &unpack_tree_opts)) { + ret = -1; + goto leave_reset_head; + } + + tree = parse_tree_indirect(oid); + prime_cache_tree(r, r->index, tree); + + if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) { + ret = error(_("could not write index")); + goto leave_reset_head; + } + +reset_head_refs: + reflog_action = getenv(GIT_REFLOG_ACTION_ENVIRONMENT); + strbuf_addf(&msg, "%s: ", reflog_action ? reflog_action : default_reflog_action); + prefix_len = msg.len; + + if (update_orig_head) { + if (!get_oid("ORIG_HEAD", &oid_old_orig)) + old_orig = &oid_old_orig; + if (!get_oid("HEAD", &oid_orig)) { + orig = &oid_orig; + if (!reflog_orig_head) { + strbuf_addstr(&msg, "updating ORIG_HEAD"); + reflog_orig_head = msg.buf; + } + update_ref(reflog_orig_head, "ORIG_HEAD", orig, + old_orig, 0, UPDATE_REFS_MSG_ON_ERR); + } else if (old_orig) + delete_ref(NULL, "ORIG_HEAD", old_orig, 0); + } + + if (!reflog_head) { + strbuf_setlen(&msg, prefix_len); + strbuf_addstr(&msg, "updating HEAD"); + reflog_head = msg.buf; + } + if (!switch_to_branch) + ret = update_ref(reflog_head, "HEAD", oid, orig, + detach_head ? REF_NO_DEREF : 0, + UPDATE_REFS_MSG_ON_ERR); + else { + ret = update_ref(reflog_head, switch_to_branch, oid, + NULL, 0, UPDATE_REFS_MSG_ON_ERR); + if (!ret) + ret = create_symref("HEAD", switch_to_branch, + reflog_head); + } + if (run_hook) + run_hook_le(NULL, "post-checkout", + oid_to_hex(orig ? orig : &null_oid), + oid_to_hex(oid), "1", NULL); + +leave_reset_head: + strbuf_release(&msg); + rollback_lock_file(&lock); + while (nr) + free((void *)desc[--nr].buffer); + return ret; + +} diff --git a/reset.h b/reset.h new file mode 100644 index 00000000000..12f83c78e28 --- /dev/null +++ b/reset.h @@ -0,0 +1,20 @@ +#ifndef RESET_H +#define RESET_H + +#include "hash.h" +#include "repository.h" + +#define GIT_REFLOG_ACTION_ENVIRONMENT "GIT_REFLOG_ACTION" + +#define RESET_HEAD_DETACH (1<<0) +#define RESET_HEAD_HARD (1<<1) +#define RESET_HEAD_RUN_POST_CHECKOUT_HOOK (1<<2) +#define RESET_HEAD_REFS_ONLY (1<<3) +#define RESET_ORIG_HEAD (1<<4) + +int reset_head(struct repository *r, struct object_id *oid, const char *action, + const char *switch_to_branch, unsigned flags, + const char *reflog_orig_head, const char *reflog_head, + const char *default_reflog_action); + +#endif diff --git a/sequencer.c b/sequencer.c index f30bb73c703..9d1b3e7d4fa 100644 --- a/sequencer.c +++ b/sequencer.c @@ -32,6 +32,7 @@ #include "alias.h" #include "commit-reach.h" #include "rebase-interactive.h" +#include "reset.h" #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" @@ -419,25 +420,15 @@ static int write_message(const void *buf, size_t len, const char *filename, return 0; } -/* - * Reads a file that was presumably written by a shell script, i.e. with an - * end-of-line marker that needs to be stripped. - * - * Note that only the last end-of-line marker is stripped, consistent with the - * behavior of "$(cat path)" in a shell script. - * - * Returns 1 if the file was read, 0 if it could not be read or does not exist. - */ -static int read_oneliner(struct strbuf *buf, - const char *path, int skip_if_empty) +int read_oneliner(struct strbuf *buf, + const char *path, unsigned flags) { int orig_len = buf->len; - if (!file_exists(path)) - return 0; - if (strbuf_read_file(buf, path, 0) < 0) { - warning_errno(_("could not read '%s'"), path); + if ((flags & READ_ONELINER_WARN_MISSING) || + (errno != ENOENT && errno != ENOTDIR)) + warning_errno(_("could not read '%s'"), path); return 0; } @@ -447,7 +438,7 @@ static int read_oneliner(struct strbuf *buf, buf->buf[buf->len] = '\0'; } - if (skip_if_empty && buf->len == orig_len) + if ((flags & READ_ONELINER_SKIP_IF_EMPTY) && buf->len == orig_len) return 0; return 1; @@ -2504,8 +2495,10 @@ static int read_populate_opts(struct replay_opts *opts) { if (is_rebase_i(opts)) { struct strbuf buf = STRBUF_INIT; + int ret = 0; - if (read_oneliner(&buf, rebase_path_gpg_sign_opt(), 1)) { + if (read_oneliner(&buf, rebase_path_gpg_sign_opt(), + READ_ONELINER_SKIP_IF_EMPTY)) { if (!starts_with(buf.buf, "-S")) strbuf_reset(&buf); else { @@ -2515,7 +2508,8 @@ static int read_populate_opts(struct replay_opts *opts) strbuf_reset(&buf); } - if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(), 1)) { + if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(), + READ_ONELINER_SKIP_IF_EMPTY)) { if (!strcmp(buf.buf, "--rerere-autoupdate")) opts->allow_rerere_auto = RERERE_AUTOUPDATE; else if (!strcmp(buf.buf, "--no-rerere-autoupdate")) @@ -2544,10 +2538,11 @@ static int read_populate_opts(struct replay_opts *opts) opts->keep_redundant_commits = 1; read_strategy_opts(opts, &buf); - strbuf_release(&buf); + strbuf_reset(&buf); if (read_oneliner(&opts->current_fixups, - rebase_path_current_fixups(), 1)) { + rebase_path_current_fixups(), + READ_ONELINER_SKIP_IF_EMPTY)) { const char *p = opts->current_fixups.buf; opts->current_fixup_count = 1; while ((p = strchr(p, '\n'))) { @@ -2557,12 +2552,16 @@ static int read_populate_opts(struct replay_opts *opts) } if (read_oneliner(&buf, rebase_path_squash_onto(), 0)) { - if (get_oid_hex(buf.buf, &opts->squash_onto) < 0) - return error(_("unusable squash-onto")); + if (get_oid_hex(buf.buf, &opts->squash_onto) < 0) { + ret = error(_("unusable squash-onto")); + goto done_rebase_i; + } opts->have_squash_onto = 1; } - return 0; +done_rebase_i: + strbuf_release(&buf); + return ret; } if (!file_exists(git_path_opts_file())) @@ -3677,25 +3676,71 @@ static enum todo_command peek_command(struct todo_list *todo_list, int offset) return -1; } -static int apply_autostash(struct replay_opts *opts) +void create_autostash(struct repository *r, const char *path, + const char *default_reflog_action) +{ + struct strbuf buf = STRBUF_INIT; + struct lock_file lock_file = LOCK_INIT; + int fd; + + fd = repo_hold_locked_index(r, &lock_file, 0); + refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL); + if (0 <= fd) + repo_update_index_if_able(r, &lock_file); + rollback_lock_file(&lock_file); + + if (has_unstaged_changes(r, 1) || + has_uncommitted_changes(r, 1)) { + struct child_process stash = CHILD_PROCESS_INIT; + struct object_id oid; + + argv_array_pushl(&stash.args, + "stash", "create", "autostash", NULL); + stash.git_cmd = 1; + stash.no_stdin = 1; + strbuf_reset(&buf); + if (capture_command(&stash, &buf, GIT_MAX_HEXSZ)) + die(_("Cannot autostash")); + strbuf_trim_trailing_newline(&buf); + if (get_oid(buf.buf, &oid)) + die(_("Unexpected stash response: '%s'"), + buf.buf); + strbuf_reset(&buf); + strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV); + + if (safe_create_leading_directories_const(path)) + die(_("Could not create directory for '%s'"), + path); + write_file(path, "%s", oid_to_hex(&oid)); + printf(_("Created autostash: %s\n"), buf.buf); + if (reset_head(r, NULL, "reset --hard", + NULL, RESET_HEAD_HARD, NULL, NULL, + default_reflog_action) < 0) + die(_("could not reset --hard")); + + if (discard_index(r->index) < 0 || + repo_read_index(r) < 0) + die(_("could not read index")); + } + strbuf_release(&buf); +} + +static int apply_save_autostash_oid(const char *stash_oid, int attempt_apply) { - struct strbuf stash_sha1 = STRBUF_INIT; struct child_process child = CHILD_PROCESS_INIT; int ret = 0; - if (!read_oneliner(&stash_sha1, rebase_path_autostash(), 1)) { - strbuf_release(&stash_sha1); - return 0; + if (attempt_apply) { + child.git_cmd = 1; + child.no_stdout = 1; + child.no_stderr = 1; + argv_array_push(&child.args, "stash"); + argv_array_push(&child.args, "apply"); + argv_array_push(&child.args, stash_oid); + ret = run_command(&child); } - strbuf_trim(&stash_sha1); - child.git_cmd = 1; - child.no_stdout = 1; - child.no_stderr = 1; - argv_array_push(&child.args, "stash"); - argv_array_push(&child.args, "apply"); - argv_array_push(&child.args, stash_sha1.buf); - if (!run_command(&child)) + if (attempt_apply && !ret) fprintf(stderr, _("Applied autostash.\n")); else { struct child_process store = CHILD_PROCESS_INIT; @@ -3706,21 +3751,57 @@ static int apply_autostash(struct replay_opts *opts) argv_array_push(&store.args, "-m"); argv_array_push(&store.args, "autostash"); argv_array_push(&store.args, "-q"); - argv_array_push(&store.args, stash_sha1.buf); + argv_array_push(&store.args, stash_oid); if (run_command(&store)) - ret = error(_("cannot store %s"), stash_sha1.buf); + ret = error(_("cannot store %s"), stash_oid); else fprintf(stderr, - _("Applying autostash resulted in conflicts.\n" + _("%s\n" "Your changes are safe in the stash.\n" "You can run \"git stash pop\" or" - " \"git stash drop\" at any time.\n")); + " \"git stash drop\" at any time.\n"), + attempt_apply ? + _("Applying autostash resulted in conflicts.") : + _("Autostash exists; creating a new stash entry.")); } - strbuf_release(&stash_sha1); return ret; } +static int apply_save_autostash(const char *path, int attempt_apply) +{ + struct strbuf stash_oid = STRBUF_INIT; + int ret = 0; + + if (!read_oneliner(&stash_oid, path, + READ_ONELINER_SKIP_IF_EMPTY)) { + strbuf_release(&stash_oid); + return 0; + } + strbuf_trim(&stash_oid); + + ret = apply_save_autostash_oid(stash_oid.buf, attempt_apply); + + unlink(path); + strbuf_release(&stash_oid); + return ret; +} + +int save_autostash(const char *path) +{ + return apply_save_autostash(path, 0); +} + +int apply_autostash(const char *path) +{ + return apply_save_autostash(path, 1); +} + +int apply_autostash_oid(const char *stash_oid) +{ + return apply_save_autostash_oid(stash_oid, 1); +} + static const char *reflog_message(struct replay_opts *opts, const char *sub_action, const char *fmt, ...) { @@ -3776,7 +3857,7 @@ static int checkout_onto(struct repository *r, struct replay_opts *opts, return error(_("%s: not a valid OID"), orig_head); if (run_git_checkout(r, opts, oid_to_hex(onto), action)) { - apply_autostash(opts); + apply_autostash(rebase_path_autostash()); sequencer_remove_state(opts); return error(_("could not detach HEAD")); } @@ -4095,7 +4176,7 @@ cleanup_head_ref: run_command(&hook); } } - apply_autostash(opts); + apply_autostash(rebase_path_autostash()); if (!opts->quiet) { if (!opts->verbose) @@ -4313,7 +4394,8 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts) struct strbuf buf = STRBUF_INIT; struct object_id oid; - if (read_oneliner(&buf, rebase_path_stopped_sha(), 1) && + if (read_oneliner(&buf, rebase_path_stopped_sha(), + READ_ONELINER_SKIP_IF_EMPTY) && !get_oid_committish(buf.buf, &oid)) record_in_rewritten(&oid, peek_command(&todo_list, 0)); strbuf_release(&buf); @@ -5118,7 +5200,7 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla todo_list_add_exec_commands(todo_list, commands); if (count_commands(todo_list) == 0) { - apply_autostash(opts); + apply_autostash(rebase_path_autostash()); sequencer_remove_state(opts); return error(_("nothing to do")); @@ -5129,12 +5211,12 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla if (res == -1) return -1; else if (res == -2) { - apply_autostash(opts); + apply_autostash(rebase_path_autostash()); sequencer_remove_state(opts); return -1; } else if (res == -3) { - apply_autostash(opts); + apply_autostash(rebase_path_autostash()); sequencer_remove_state(opts); todo_list_release(&new_todo); diff --git a/sequencer.h b/sequencer.h index 9611605711f..d31c41f018c 100644 --- a/sequencer.h +++ b/sequencer.h @@ -191,6 +191,12 @@ void commit_post_rewrite(struct repository *r, const struct commit *current_head, const struct object_id *new_head); +void create_autostash(struct repository *r, const char *path, + const char *default_reflog_action); +int save_autostash(const char *path); +int apply_autostash(const char *path); +int apply_autostash_oid(const char *stash_oid); + #define SUMMARY_INITIAL_COMMIT (1 << 0) #define SUMMARY_SHOW_AUTHOR_DATE (1 << 1) void print_commit_summary(struct repository *repo, @@ -198,6 +204,20 @@ void print_commit_summary(struct repository *repo, const struct object_id *oid, unsigned int flags); +#define READ_ONELINER_SKIP_IF_EMPTY (1 << 0) +#define READ_ONELINER_WARN_MISSING (1 << 1) + +/* + * Reads a file that was presumably written by a shell script, i.e. with an + * end-of-line marker that needs to be stripped. + * + * Note that only the last end-of-line marker is stripped, consistent with the + * behavior of "$(cat path)" in a shell script. + * + * Returns 1 if the file was read, 0 if it could not be read or does not exist. + */ +int read_oneliner(struct strbuf *buf, + const char *path, unsigned flags); int read_author_script(const char *path, char **name, char **email, char **date, int allow_missing); void parse_strategy_opts(struct replay_opts *opts, char *raw_opts); diff --git a/t/t3033-merge-toplevel.sh b/t/t3033-merge-toplevel.sh index d3145994281..e29c284b9b9 100755 --- a/t/t3033-merge-toplevel.sh +++ b/t/t3033-merge-toplevel.sh @@ -142,6 +142,17 @@ test_expect_success 'refuse two-project merge by default' ' test_must_fail git merge five ' +test_expect_success 'refuse two-project merge by default, quit before --autostash happens' ' + t3033_reset && + git reset --hard four && + echo change >>one.t && + git diff >expect && + test_must_fail git merge --autostash five 2>err && + test_i18ngrep ! "stash" err && + git diff >actual && + test_cmp expect actual +' + test_expect_success 'two-project merge with --allow-unrelated-histories' ' t3033_reset && git reset --hard four && @@ -149,4 +160,15 @@ test_expect_success 'two-project merge with --allow-unrelated-histories' ' git diff --exit-code five ' +test_expect_success 'two-project merge with --allow-unrelated-histories with --autostash' ' + t3033_reset && + git reset --hard four && + echo change >>one.t && + git diff one.t >expect && + git merge --allow-unrelated-histories --autostash five 2>err && + test_i18ngrep "Applied autostash." err && + git diff one.t >actual && + test_cmp expect actual +' + test_done diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh index 2f86fca0428..37535d63a9c 100755 --- a/t/t5520-pull.sh +++ b/t/t5520-pull.sh @@ -10,11 +10,13 @@ modify () { } test_pull_autostash () { + expect_parent_num="$1" && + shift && git reset --hard before-rebase && echo dirty >new_file && git add new_file && git pull "$@" . copy && - test_cmp_rev HEAD^ copy && + test_cmp_rev HEAD^"$expect_parent_num" copy && echo dirty >expect && test_cmp expect new_file && echo "modified again" >expect && @@ -26,7 +28,7 @@ test_pull_autostash_fail () { echo dirty >new_file && git add new_file && test_must_fail git pull "$@" . copy 2>err && - test_i18ngrep "uncommitted changes." err + test_i18ngrep "\(uncommitted changes.\)\|\(overwritten by merge:\)" err } test_expect_success setup ' @@ -369,22 +371,22 @@ test_expect_success '--rebase fails with multiple branches' ' test_expect_success 'pull --rebase succeeds with dirty working directory and rebase.autostash set' ' test_config rebase.autostash true && - test_pull_autostash --rebase + test_pull_autostash 1 --rebase ' test_expect_success 'pull --rebase --autostash & rebase.autostash=true' ' test_config rebase.autostash true && - test_pull_autostash --rebase --autostash + test_pull_autostash 1 --rebase --autostash ' test_expect_success 'pull --rebase --autostash & rebase.autostash=false' ' test_config rebase.autostash false && - test_pull_autostash --rebase --autostash + test_pull_autostash 1 --rebase --autostash ' test_expect_success 'pull --rebase --autostash & rebase.autostash unset' ' test_unconfig rebase.autostash && - test_pull_autostash --rebase --autostash + test_pull_autostash 1 --rebase --autostash ' test_expect_success 'pull --rebase --no-autostash & rebase.autostash=true' ' @@ -402,13 +404,40 @@ test_expect_success 'pull --rebase --no-autostash & rebase.autostash unset' ' test_pull_autostash_fail --rebase --no-autostash ' -for i in --autostash --no-autostash -do - test_expect_success "pull $i (without --rebase) is illegal" ' - test_must_fail git pull $i . copy 2>err && - test_i18ngrep "only valid with --rebase" err - ' -done +test_expect_success 'pull succeeds with dirty working directory and merge.autostash set' ' + test_config merge.autostash true && + test_pull_autostash 2 +' + +test_expect_success 'pull --autostash & merge.autostash=true' ' + test_config merge.autostash true && + test_pull_autostash 2 --autostash +' + +test_expect_success 'pull --autostash & merge.autostash=false' ' + test_config merge.autostash false && + test_pull_autostash 2 --autostash +' + +test_expect_success 'pull --autostash & merge.autostash unset' ' + test_unconfig merge.autostash && + test_pull_autostash 2 --autostash +' + +test_expect_success 'pull --no-autostash & merge.autostash=true' ' + test_config merge.autostash true && + test_pull_autostash_fail --no-autostash +' + +test_expect_success 'pull --no-autostash & merge.autostash=false' ' + test_config merge.autostash false && + test_pull_autostash_fail --no-autostash +' + +test_expect_success 'pull --no-autostash & merge.autostash unset' ' + test_unconfig merge.autostash && + test_pull_autostash_fail --no-autostash +' test_expect_success 'pull.rebase' ' git reset --hard before-rebase && @@ -422,7 +451,7 @@ test_expect_success 'pull.rebase' ' test_expect_success 'pull --autostash & pull.rebase=true' ' test_config pull.rebase true && - test_pull_autostash --autostash + test_pull_autostash 1 --autostash ' test_expect_success 'pull --no-autostash & pull.rebase=true' ' diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh index 132608879ad..5883a6adc31 100755 --- a/t/t7600-merge.sh +++ b/t/t7600-merge.sh @@ -29,15 +29,19 @@ Testing basic merge operations/option parsing. . ./test-lib.sh . "$TEST_DIRECTORY"/lib-gpg.sh -printf '%s\n' 1 2 3 4 5 6 7 8 9 >file -printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >file.1 -printf '%s\n' 1 2 3 4 '5 X' 6 7 8 9 >file.5 -printf '%s\n' 1 2 3 4 5 6 7 8 '9 X' >file.9 -printf '%s\n' 1 2 3 4 5 6 7 8 '9 Y' >file.9y -printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1 -printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5 -printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9 -printf '%s\n' 1 2 3 4 5 6 7 8 '9 Z' >result.9z +test_write_lines 1 2 3 4 5 6 7 8 9 >file +cp file file.orig +test_write_lines '1 X' 2 3 4 5 6 7 8 9 >file.1 +test_write_lines 1 2 '3 X' 4 5 6 7 8 9 >file.3 +test_write_lines 1 2 3 4 '5 X' 6 7 8 9 >file.5 +test_write_lines 1 2 3 4 5 6 7 8 '9 X' >file.9 +test_write_lines 1 2 3 4 5 6 7 8 '9 Y' >file.9y +test_write_lines '1 X' 2 3 4 5 6 7 8 9 >result.1 +test_write_lines '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5 +test_write_lines '1 X' 2 3 4 5 6 7 8 '9 X' >result.1-9 +test_write_lines '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9 +test_write_lines '1 X' 2 '3 X' 4 '5 X' 6 7 8 '9 X' >result.1-3-5-9 +test_write_lines 1 2 3 4 5 6 7 8 '9 Z' >result.9z create_merge_msgs () { echo "Merge tag 'c2'" >msg.1-5 && @@ -81,7 +85,7 @@ verify_head () { } verify_parents () { - printf '%s\n' "$@" >parents.expected && + test_write_lines "$@" >parents.expected && >parents.actual && i=1 && while test $i -le $# @@ -95,7 +99,7 @@ verify_parents () { } verify_mergeheads () { - printf '%s\n' "$@" >mergehead.expected && + test_write_lines "$@" >mergehead.expected && while read sha1 rest do git rev-parse $sha1 @@ -675,6 +679,134 @@ test_expect_success 'refresh the index before merging' ' git merge c3 ' +test_expect_success 'merge with --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git merge --autostash c2 2>err && + test_i18ngrep "Applied autostash." err && + git show HEAD:file >merge-result && + test_cmp result.1-5 merge-result && + test_cmp result.1-5-9 file +' + +test_expect_success 'merge with merge.autoStash' ' + test_config merge.autoStash true && + git reset --hard c1 && + git merge-file file file.orig file.9 && + git merge c2 2>err && + test_i18ngrep "Applied autostash." err && + git show HEAD:file >merge-result && + test_cmp result.1-5 merge-result && + test_cmp result.1-5-9 file +' + +test_expect_success 'fast-forward merge with --autostash' ' + git reset --hard c0 && + git merge-file file file.orig file.5 && + git merge --autostash c1 2>err && + test_i18ngrep "Applied autostash." err && + test_cmp result.1-5 file +' + +test_expect_success 'octopus merge with --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.3 && + git merge --autostash c2 c3 2>err && + test_i18ngrep "Applied autostash." err && + git show HEAD:file >merge-result && + test_cmp result.1-5-9 merge-result && + test_cmp result.1-3-5-9 file +' + +test_expect_success 'conflicted merge with --autostash, --abort restores stash' ' + git reset --hard c3 && + cp file.1 file && + test_must_fail git merge --autostash c7 && + git merge --abort 2>err && + test_i18ngrep "Applied autostash." err && + test_cmp file.1 file +' + +test_expect_success 'completed merge (git commit) with --no-commit and --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git diff >expect && + git merge --no-commit --autostash c2 && + git stash show -p MERGE_AUTOSTASH >actual && + test_cmp expect actual && + git commit 2>err && + test_i18ngrep "Applied autostash." err && + git show HEAD:file >merge-result && + test_cmp result.1-5 merge-result && + test_cmp result.1-5-9 file +' + +test_expect_success 'completed merge (git merge --continue) with --no-commit and --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git diff >expect && + git merge --no-commit --autostash c2 && + git stash show -p MERGE_AUTOSTASH >actual && + test_cmp expect actual && + git merge --continue 2>err && + test_i18ngrep "Applied autostash." err && + git show HEAD:file >merge-result && + test_cmp result.1-5 merge-result && + test_cmp result.1-5-9 file +' + +test_expect_success 'aborted merge (merge --abort) with --no-commit and --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git diff >expect && + git merge --no-commit --autostash c2 && + git stash show -p MERGE_AUTOSTASH >actual && + test_cmp expect actual && + git merge --abort 2>err && + test_i18ngrep "Applied autostash." err && + git diff >actual && + test_cmp expect actual +' + +test_expect_success 'aborted merge (reset --hard) with --no-commit and --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git diff >expect && + git merge --no-commit --autostash c2 && + git stash show -p MERGE_AUTOSTASH >actual && + test_cmp expect actual && + git reset --hard 2>err && + test_i18ngrep "Autostash exists; creating a new stash entry." err && + git diff --exit-code +' + +test_expect_success 'quit merge with --no-commit and --autostash' ' + git reset --hard c1 && + git merge-file file file.orig file.9 && + git diff >expect && + git merge --no-commit --autostash c2 && + git stash show -p MERGE_AUTOSTASH >actual && + test_cmp expect actual && + git diff HEAD >expect && + git merge --quit 2>err && + test_i18ngrep "Autostash exists; creating a new stash entry." err && + git diff HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'merge with conflicted --autostash changes' ' + git reset --hard c1 && + git merge-file file file.orig file.9y && + git diff >expect && + test_when_finished "test_might_fail git stash drop" && + git merge --autostash c3 2>err && + test_i18ngrep "Applying autostash resulted in conflicts." err && + git show HEAD:file >merge-result && + test_cmp result.1-9 merge-result && + git stash show -p >actual && + test_cmp expect actual +' + cat >expected.branch <<\EOF Merge branch 'c5-branch' (early part) EOF |