Soon, we'll want to automatically start index-helper, so we need
a mode that silently exists if it can't start up (either because
it's not in a git dir, or because another one is already running).
Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
---
index-helper.c | 29 +++++++++++++++++++++++------
t/t7900-index-helper.sh | 8 ++++++++
2 files changed, 31 insertions(+), 6 deletions(-)
diff --git a/index-helper.c b/index-helper.c
index 7362abb..ab96ded 100644
--- a/index-helper.c
+++ b/index-helper.c
@@ -368,8 +368,9 @@ done:
int main(int argc, char **argv)
{
const char *prefix;
- int idle_in_seconds = 600, detach = 0, kill = 0;
+ int idle_in_seconds = 600, detach = 0, kill = 0, autorun = 0;
int fd;
+ int nongit;
struct strbuf pipe_path = STRBUF_INIT;
struct option options[] = {
OPT_INTEGER(0, "exit-after", &idle_in_seconds,
@@ -378,6 +379,7 @@ int main(int argc, char **argv)
"verify shared memory after creating"),
OPT_BOOL(0, "detach", &detach, "detach the process"),
OPT_BOOL(0, "kill", &kill, "request that existing index helper processes exit"),
+ OPT_BOOL(0, "autorun", &autorun, "this is an automatic run of git index-helper, so certain errors can be solved by silently exiting"),
OPT_END()
};
@@ -387,7 +389,14 @@ int main(int argc, char **argv)
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(usage_text, options);
- prefix = setup_git_directory();
+ prefix = setup_git_directory_gently(&nongit);
+ if (nongit) {
+ if (autorun)
+ exit(0);
+ else
+ die("Not a git repository");
+ }
+
if (parse_options(argc, (const char **)argv, prefix,
options, usage_text, 0))
die(_("too many arguments"));
@@ -402,10 +411,18 @@ int main(int argc, char **argv)
/* check that no other copy is running */
fd = open(pipe_path.buf, O_RDONLY | O_NONBLOCK);
- if (fd > 0)
- die(_("Already running"));
- if (errno != ENXIO && errno != ENOENT)
- die_errno(_("Unexpected error checking pipe"));
+ if (fd > 0) {
+ if (autorun)
+ return 0;
+ else
+ die(_("Already running"));
+ }
+ if (errno != ENXIO && errno != ENOENT) {
+ if (autorun)
+ return 0;
+ else
+ die_errno(_("Unexpected error checking pipe"));
+ }
atexit(cleanup);
sigchain_push_common(cleanup_on_signal);
diff --git a/t/t7900-index-helper.sh b/t/t7900-index-helper.sh
index ce0cc27..6020fe4 100755
--- a/t/t7900-index-helper.sh
+++ b/t/t7900-index-helper.sh
@@ -33,4 +33,12 @@ test_expect_success 'index-helper will not start if already running' '
grep "Already running" err
'
+test_expect_success 'index-helper is quiet with --autorun' '
+ test_when_finished "git index-helper --kill" &&
+ git index-helper --kill &&
+ git index-helper --detach &&
+ test -p .git/index-helper.pipe &&
+ git index-helper --autorun
+'
+
test_done
--
2.4.2.767.g62658d5-twtrsrc
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