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gc: exit with status 128 on failure 

A value of -1 returned from cmd_gc gets propagated to exit(),
resulting in an exit status of 255.  Use die instead for a clearer
error message and a controlled exit.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2018-07-16 23:54:16 -07:00 committed by Junio C Hamano
parent 3c426eccc2
commit fec2ed2187
2 changed files with 15 additions and 22 deletions
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35
builtin/gc.c
View File

@ -438,10 +438,9 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
return NULL;
}
static int report_last_gc_error(void)
static void report_last_gc_error(void)
{
struct strbuf sb = STRBUF_INIT;
int ret = 0;
ssize_t len;
struct stat st;
char *gc_log_path = git_pathdup("gc.log");
@ -450,8 +449,7 @@ static int report_last_gc_error(void)
if (errno == ENOENT)
goto done;
ret = error_errno(_("cannot stat '%s'"), gc_log_path);
goto done;
die_errno(_("cannot stat '%s'"), gc_log_path);
}
if (st.st_mtime < gc_log_expire_time)
@ -459,9 +457,9 @@ static int report_last_gc_error(void)
len = strbuf_read_file(&sb, gc_log_path, 0);
if (len < 0)
ret = error_errno(_("cannot read '%s'"), gc_log_path);
die_errno(_("cannot read '%s'"), gc_log_path);
else if (len > 0)
ret = error(_("The last gc run reported the following. "
die(_("The last gc run reported the following. "
"Please correct the root cause\n"
"and remove %s.\n"
"Automatic cleanup will not be performed "
@ -471,20 +469,18 @@ static int report_last_gc_error(void)
strbuf_release(&sb);
done:
free(gc_log_path);
return ret;
}
static int gc_before_repack(void)
static void gc_before_repack(void)
{
if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD))
return error(FAILED_RUN, pack_refs_cmd.argv[0]);
die(FAILED_RUN, pack_refs_cmd.argv[0]);
if (prune_reflogs && run_command_v_opt(reflog.argv, RUN_GIT_CMD))
return error(FAILED_RUN, reflog.argv[0]);
die(FAILED_RUN, reflog.argv[0]);
pack_refs = 0;
prune_reflogs = 0;
return 0;
}
int cmd_gc(int argc, const char **argv, const char *prefix)
@ -565,13 +561,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n"));
}
if (detach_auto) {
if (report_last_gc_error())
return -1;
report_last_gc_error(); /* dies on error */
if (lock_repo_for_gc(force, &pid))
return 0;
if (gc_before_repack())
return -1;
gc_before_repack(); /* dies on failure */
delete_tempfile(&pidfile);
/*
@ -611,12 +605,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
atexit(process_log_file_at_exit);
}
if (gc_before_repack())
return -1;
gc_before_repack();
if (!repository_format_precious_objects) {
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
return error(FAILED_RUN, repack.argv[0]);
die(FAILED_RUN, repack.argv[0]);
if (prune_expire) {
argv_array_push(&prune, prune_expire);
@ -626,18 +619,18 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_push(&prune,
"--exclude-promisor-objects");
if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
return error(FAILED_RUN, prune.argv[0]);
die(FAILED_RUN, prune.argv[0]);
}
}
if (prune_worktrees_expire) {
argv_array_push(&prune_worktrees, prune_worktrees_expire);
if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
return error(FAILED_RUN, prune_worktrees.argv[0]);
die(FAILED_RUN, prune_worktrees.argv[0]);
}
if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
return error(FAILED_RUN, rerere.argv[0]);
die(FAILED_RUN, rerere.argv[0]);
report_garbage = report_pack_garbage;
reprepare_packed_git(the_repository);

2
t/t6500-gc.sh
View File

@ -117,7 +117,7 @@ test_expect_success 'background auto gc does not run if gc.log is present and re
test_config gc.autodetach true &&
echo fleem >.git/gc.log &&
test_must_fail git gc --auto 2>err &&
test_i18ngrep "^error:" err &&
test_i18ngrep "^fatal:" err &&
test_config gc.logexpiry 5.days &&
test-tool chmtime =-345600 .git/gc.log &&
test_must_fail git gc --auto &&