diff options
| -rw-r--r-- | builtin-add.c | 4 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | read-cache.c | 29 | ||||
| -rwxr-xr-x | t/t2203-add-intent.sh | 36 |
4 files changed, 65 insertions, 6 deletions
diff --git a/builtin-add.c b/builtin-add.c index 7c874e3115..ea4e77169a 100644 --- a/builtin-add.c +++ b/builtin-add.c @@ -166,7 +166,7 @@ static const char ignore_error[] = "The following paths are ignored by one of your .gitignore files:\n"; static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0; -static int ignore_add_errors, addremove; +static int ignore_add_errors, addremove, intent_to_add; static struct option builtin_add_options[] = { OPT__DRY_RUN(&show_only), @@ -176,6 +176,7 @@ static struct option builtin_add_options[] = { OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"), OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"), OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"), + OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"), OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"), OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"), OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"), @@ -246,6 +247,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) flags = ((verbose ? ADD_CACHE_VERBOSE : 0) | (show_only ? ADD_CACHE_PRETEND : 0) | + (intent_to_add ? ADD_CACHE_INTENT : 0) | (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) | (!(addremove || take_worktree_changes) ? ADD_CACHE_IGNORE_REMOVAL : 0)); @@ -377,6 +377,7 @@ extern int index_name_pos(const struct index_state *, const char *name, int name #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ +#define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); @@ -386,6 +387,7 @@ extern int remove_file_from_index(struct index_state *, const char *path); #define ADD_CACHE_PRETEND 2 #define ADD_CACHE_IGNORE_ERRORS 4 #define ADD_CACHE_IGNORE_REMOVAL 8 +#define ADD_CACHE_INTENT 16 extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); extern int add_file_to_index(struct index_state *, const char *path, int flags); extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); diff --git a/read-cache.c b/read-cache.c index 901064bf1a..d7900f33ea 100644 --- a/read-cache.c +++ b/read-cache.c @@ -13,6 +13,7 @@ #include "diff.h" #include "diffcore.h" #include "revision.h" +#include "blob.h" /* Index extensions. * @@ -511,6 +512,14 @@ static struct cache_entry *create_alias_ce(struct cache_entry *ce, struct cache_ return new; } +static void record_intent_to_add(struct cache_entry *ce) +{ + unsigned char sha1[20]; + if (write_sha1_file("", 0, blob_type, sha1)) + die("cannot create an empty blob in the object database"); + hashcpy(ce->sha1, sha1); +} + int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags) { int size, namelen, was_same; @@ -519,6 +528,9 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY; int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND); int pretend = flags & ADD_CACHE_PRETEND; + int intent_only = flags & ADD_CACHE_INTENT; + int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE| + (intent_only ? ADD_CACHE_NEW_ONLY : 0)); if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode)) return error("%s: can only add regular files, symbolic links or git-directories", path); @@ -532,7 +544,8 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, ce = xcalloc(1, size); memcpy(ce->name, path, namelen); ce->ce_flags = namelen; - fill_stat_cache_info(ce, st); + if (!intent_only) + fill_stat_cache_info(ce, st); if (trust_executable_bit && has_symlinks) ce->ce_mode = create_ce_mode(st_mode); @@ -555,8 +568,12 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, alias->ce_flags |= CE_ADDED; return 0; } - if (index_path(ce->sha1, path, st, 1)) - return error("unable to index file %s", path); + if (!intent_only) { + if (index_path(ce->sha1, path, st, 1)) + return error("unable to index file %s", path); + } else + record_intent_to_add(ce); + if (ignore_case && alias && different_name(ce, alias)) ce = create_alias_ce(ce, alias); ce->ce_flags |= CE_ADDED; @@ -569,7 +586,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, if (pretend) ; - else if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE)) + else if (add_index_entry(istate, ce, add_option)) return error("unable to add %s to index",path); if (verbose && !was_same) printf("add '%s'\n", path); @@ -848,13 +865,15 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e int ok_to_add = option & ADD_CACHE_OK_TO_ADD; int ok_to_replace = option & ADD_CACHE_OK_TO_REPLACE; int skip_df_check = option & ADD_CACHE_SKIP_DFCHECK; + int new_only = option & ADD_CACHE_NEW_ONLY; cache_tree_invalidate_path(istate->cache_tree, ce->name); pos = index_name_pos(istate, ce->name, ce->ce_flags); /* existing match? Just replace it. */ if (pos >= 0) { - replace_index_entry(istate, pos, ce); + if (!new_only) + replace_index_entry(istate, pos, ce); return 0; } pos = -pos-1; diff --git a/t/t2203-add-intent.sh b/t/t2203-add-intent.sh new file mode 100755 index 0000000000..d4de35ea06 --- /dev/null +++ b/t/t2203-add-intent.sh @@ -0,0 +1,36 @@ +#!/bin/sh + +test_description='Intent to add' + +. ./test-lib.sh + +test_expect_success 'intent to add' ' + echo hello >file && + echo hello >elif && + git add -N file && + git add elif +' + +test_expect_success 'check result of "add -N"' ' + git ls-files -s file >actual && + empty=$(git hash-object --stdin </dev/null) && + echo "100644 $empty 0 file" >expect && + test_cmp expect actual +' + +test_expect_success 'intent to add is just an ordinary empty blob' ' + git add -u && + git ls-files -s file >actual && + git ls-files -s elif | sed -e "s/elif/file/" >expect && + test_cmp expect actual +' + +test_expect_success 'intent to add does not clobber existing paths' ' + git add -N file elif && + empty=$(git hash-object --stdin </dev/null) && + git ls-files -s >actual && + ! grep "$empty" actual +' + +test_done + |