diff options
| -rw-r--r-- | Documentation/git-update-ref.txt | 13 | ||||
| -rw-r--r-- | refs.c | 127 | ||||
| -rwxr-xr-x | t/t1400-update-ref.sh | 30 | ||||
| -rwxr-xr-x | t/t1405-main-ref-store.sh | 5 |
4 files changed, 36 insertions, 139 deletions
diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index 3e737c2360..d401234b03 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -148,12 +148,13 @@ still see a subset of the modifications. LOGGING UPDATES --------------- -If config parameter "core.logAllRefUpdates" is true and the ref is one under -"refs/heads/", "refs/remotes/", "refs/notes/", or the symbolic ref HEAD; or -the file "$GIT_DIR/logs/<ref>" exists then `git update-ref` will append -a line to the log file "$GIT_DIR/logs/<ref>" (dereferencing all -symbolic refs before creating the log name) describing the change -in ref value. Log lines are formatted as: +If config parameter "core.logAllRefUpdates" is true and the ref is one +under "refs/heads/", "refs/remotes/", "refs/notes/", or a pseudoref +like HEAD or ORIG_HEAD; or the file "$GIT_DIR/logs/<ref>" exists then +`git update-ref` will append a line to the log file +"$GIT_DIR/logs/<ref>" (dereferencing all symbolic refs before creating +the log name) describing the change in ref value. Log lines are +formatted as: oldsha1 SP newsha1 SP committer LF @@ -708,10 +708,9 @@ int dwim_log(const char *str, int len, struct object_id *oid, char **log) static int is_per_worktree_ref(const char *refname) { - return !strcmp(refname, "HEAD") || - starts_with(refname, "refs/worktree/") || - starts_with(refname, "refs/bisect/") || - starts_with(refname, "refs/rewritten/"); + return starts_with(refname, "refs/worktree/") || + starts_with(refname, "refs/bisect/") || + starts_with(refname, "refs/rewritten/"); } static int is_pseudoref_syntax(const char *refname) @@ -771,102 +770,6 @@ long get_files_ref_lock_timeout_ms(void) return timeout_ms; } -static int write_pseudoref(const char *pseudoref, const struct object_id *oid, - const struct object_id *old_oid, struct strbuf *err) -{ - const char *filename; - int fd; - struct lock_file lock = LOCK_INIT; - struct strbuf buf = STRBUF_INIT; - int ret = -1; - - if (!oid) - return 0; - - strbuf_addf(&buf, "%s\n", oid_to_hex(oid)); - - filename = git_path("%s", pseudoref); - fd = hold_lock_file_for_update_timeout(&lock, filename, 0, - get_files_ref_lock_timeout_ms()); - if (fd < 0) { - strbuf_addf(err, _("could not open '%s' for writing: %s"), - filename, strerror(errno)); - goto done; - } - - if (old_oid) { - struct object_id actual_old_oid; - - if (read_ref(pseudoref, &actual_old_oid)) { - if (!is_null_oid(old_oid)) { - strbuf_addf(err, _("could not read ref '%s'"), - pseudoref); - rollback_lock_file(&lock); - goto done; - } - } else if (is_null_oid(old_oid)) { - strbuf_addf(err, _("ref '%s' already exists"), - pseudoref); - rollback_lock_file(&lock); - goto done; - } else if (!oideq(&actual_old_oid, old_oid)) { - strbuf_addf(err, _("unexpected object ID when writing '%s'"), - pseudoref); - rollback_lock_file(&lock); - goto done; - } - } - - if (write_in_full(fd, buf.buf, buf.len) < 0) { - strbuf_addf(err, _("could not write to '%s'"), filename); - rollback_lock_file(&lock); - goto done; - } - - commit_lock_file(&lock); - ret = 0; -done: - strbuf_release(&buf); - return ret; -} - -static int delete_pseudoref(const char *pseudoref, const struct object_id *old_oid) -{ - const char *filename; - - filename = git_path("%s", pseudoref); - - if (old_oid && !is_null_oid(old_oid)) { - struct lock_file lock = LOCK_INIT; - int fd; - struct object_id actual_old_oid; - - fd = hold_lock_file_for_update_timeout( - &lock, filename, 0, - get_files_ref_lock_timeout_ms()); - if (fd < 0) { - error_errno(_("could not open '%s' for writing"), - filename); - return -1; - } - if (read_ref(pseudoref, &actual_old_oid)) - die(_("could not read ref '%s'"), pseudoref); - if (!oideq(&actual_old_oid, old_oid)) { - error(_("unexpected object ID when deleting '%s'"), - pseudoref); - rollback_lock_file(&lock); - return -1; - } - - unlink(filename); - rollback_lock_file(&lock); - } else { - unlink(filename); - } - - return 0; -} - int refs_delete_ref(struct ref_store *refs, const char *msg, const char *refname, const struct object_id *old_oid, @@ -875,11 +778,6 @@ int refs_delete_ref(struct ref_store *refs, const char *msg, struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; - if (ref_type(refname) == REF_TYPE_PSEUDOREF) { - assert(refs == get_main_ref_store(the_repository)); - return delete_pseudoref(refname, old_oid); - } - transaction = ref_store_transaction_begin(refs, &err); if (!transaction || ref_transaction_delete(transaction, refname, old_oid, @@ -1210,18 +1108,13 @@ int refs_update_ref(struct ref_store *refs, const char *msg, struct strbuf err = STRBUF_INIT; int ret = 0; - if (ref_type(refname) == REF_TYPE_PSEUDOREF) { - assert(refs == get_main_ref_store(the_repository)); - ret = write_pseudoref(refname, new_oid, old_oid, &err); - } else { - t = ref_store_transaction_begin(refs, &err); - if (!t || - ref_transaction_update(t, refname, new_oid, old_oid, - flags, msg, &err) || - ref_transaction_commit(t, &err)) { - ret = 1; - ref_transaction_free(t); - } + t = ref_store_transaction_begin(refs, &err); + if (!t || + ref_transaction_update(t, refname, new_oid, old_oid, flags, msg, + &err) || + ref_transaction_commit(t, &err)) { + ret = 1; + ref_transaction_free(t); } if (ret) { const char *str = _("update_ref failed for ref '%s': %s"); diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index d0d36750bc..770e7be363 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -160,10 +160,10 @@ test_expect_success 'core.logAllRefUpdates=always creates reflog by default' ' git reflog exists $outside ' -test_expect_success 'core.logAllRefUpdates=always creates no reflog for ORIG_HEAD' ' +test_expect_success 'core.logAllRefUpdates=always creates reflog for ORIG_HEAD' ' test_config core.logAllRefUpdates always && git update-ref ORIG_HEAD $A && - test_must_fail git reflog exists ORIG_HEAD + git reflog exists ORIG_HEAD ' test_expect_success '--no-create-reflog overrides core.logAllRefUpdates=always' ' @@ -475,57 +475,57 @@ test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER test_expect_success 'given old value for missing pseudoref, do not create' ' test_must_fail git update-ref PSEUDOREF $A $B 2>err && - test_path_is_missing .git/PSEUDOREF && - test_i18ngrep "could not read ref" err + test_must_fail git rev-parse PSEUDOREF && + test_i18ngrep "unable to resolve reference" err ' test_expect_success 'create pseudoref' ' git update-ref PSEUDOREF $A && - test $A = $(cat .git/PSEUDOREF) + test $A = $(git rev-parse PSEUDOREF) ' test_expect_success 'overwrite pseudoref with no old value given' ' git update-ref PSEUDOREF $B && - test $B = $(cat .git/PSEUDOREF) + test $B = $(git rev-parse PSEUDOREF) ' test_expect_success 'overwrite pseudoref with correct old value' ' git update-ref PSEUDOREF $C $B && - test $C = $(cat .git/PSEUDOREF) + test $C = $(git rev-parse PSEUDOREF) ' test_expect_success 'do not overwrite pseudoref with wrong old value' ' test_must_fail git update-ref PSEUDOREF $D $E 2>err && - test $C = $(cat .git/PSEUDOREF) && - test_i18ngrep "unexpected object ID" err + test $C = $(git rev-parse PSEUDOREF) && + test_i18ngrep "cannot lock ref.*expected" err ' test_expect_success 'delete pseudoref' ' git update-ref -d PSEUDOREF && - test_path_is_missing .git/PSEUDOREF + test_must_fail git rev-parse PSEUDOREF ' test_expect_success 'do not delete pseudoref with wrong old value' ' git update-ref PSEUDOREF $A && test_must_fail git update-ref -d PSEUDOREF $B 2>err && - test $A = $(cat .git/PSEUDOREF) && - test_i18ngrep "unexpected object ID" err + test $A = $(git rev-parse PSEUDOREF) && + test_i18ngrep "cannot lock ref.*expected" err ' test_expect_success 'delete pseudoref with correct old value' ' git update-ref -d PSEUDOREF $A && - test_path_is_missing .git/PSEUDOREF + test_must_fail git rev-parse PSEUDOREF ' test_expect_success 'create pseudoref with old OID zero' ' git update-ref PSEUDOREF $A $Z && - test $A = $(cat .git/PSEUDOREF) + test $A = $(git rev-parse PSEUDOREF) ' test_expect_success 'do not overwrite pseudoref with old OID zero' ' test_when_finished git update-ref -d PSEUDOREF && test_must_fail git update-ref PSEUDOREF $B $Z 2>err && - test $A = $(cat .git/PSEUDOREF) && + test $A = $(git rev-parse PSEUDOREF) && test_i18ngrep "already exists" err ' diff --git a/t/t1405-main-ref-store.sh b/t/t1405-main-ref-store.sh index 331899ddc4..74af927fba 100755 --- a/t/t1405-main-ref-store.sh +++ b/t/t1405-main-ref-store.sh @@ -31,7 +31,10 @@ test_expect_success 'create_symref(FOO, refs/heads/master)' ' test_expect_success 'delete_refs(FOO, refs/tags/new-tag)' ' git rev-parse FOO -- && git rev-parse refs/tags/new-tag -- && - $RUN delete-refs 0 nothing FOO refs/tags/new-tag && + m=$(git rev-parse master) && + REF_NO_DEREF=1 && + $RUN delete-refs $REF_NO_DEREF nothing FOO refs/tags/new-tag && + test_must_fail git rev-parse --symbolic-full-name FOO && test_must_fail git rev-parse FOO -- && test_must_fail git rev-parse refs/tags/new-tag -- ' |