From: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
We detach after creating and opening the socket, because otherwise
we might return control to the shell before index-helper is ready to
accept commands. This might lead to flaky tests.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
---
Documentation/git-index-helper.txt | 3 +++
index-helper.c | 15 +++++++++++++--
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/Documentation/git-index-helper.txt b/Documentation/git-index-helper.txt
index 9c2f5eb..e144752 100644
--- a/Documentation/git-index-helper.txt
+++ b/Documentation/git-index-helper.txt
@@ -34,6 +34,9 @@ OPTIONS
for reading an index, but because it will happen in the
background, it's not noticable. `--strict` is enabled by default.
+--detach::
+ Detach from the shell.
+
NOTES
-----
diff --git a/index-helper.c b/index-helper.c
index 21fb431..7df7a97 100644
--- a/index-helper.c
+++ b/index-helper.c
@@ -17,7 +17,7 @@ struct shm {
static struct shm shm_index;
static struct shm shm_base_index;
-static int to_verify = 1;
+static int daemonized, to_verify = 1;
static void log_warning(const char *warning, ...)
{
@@ -59,6 +59,8 @@ static void cleanup_shm(void)
static void cleanup(void)
{
+ if (daemonized)
+ return;
unlink(git_path("index-helper.sock"));
cleanup_shm();
}
@@ -311,7 +313,7 @@ static const char * const usage_text[] = {
int main(int argc, char **argv)
{
const char *prefix;
- int idle_in_seconds = 600;
+ int idle_in_seconds = 600, detach = 0;
int fd;
struct strbuf socket_path = STRBUF_INIT;
struct option options[] = {
@@ -319,6 +321,7 @@ int main(int argc, char **argv)
N_("exit if not used after some seconds")),
OPT_BOOL(0, "strict", &to_verify,
"verify shared memory after creating"),
+ OPT_BOOL(0, "detach", &detach, "detach the process"),
OPT_END()
};
@@ -342,6 +345,14 @@ int main(int argc, char **argv)
if (fd < 0)
die_errno(_("could not set up index-helper socket"));
+ if (!freopen("/dev/null", "w", stderr))
+ die_errno("failed to redirect stderr to /dev/null");
+
+ if (!freopen("/dev/null", "w", stdout))
+ die_errno("failed to redirect stdout to /dev/null");
+
+ if (detach && daemonize(&daemonized))
+ die_errno(_("unable to detach"));
loop(fd, idle_in_seconds);
close(fd);
--
2.4.2.767.g62658d5-twtrsrc
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