[PATCH 5/5] index-helper: add --detach

[Nguyễn Thái Ngọc Duy]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 Documentation/git-index-helper.txt | 4 +++-
 index-helper.c                     | 6 +++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/git-index-helper.txt 
b/Documentation/git-index-helper.txt
index afeb334..303cda0 100644
--- a/Documentation/git-index-helper.txt
+++ b/Documentation/git-index-helper.txt
@@ -8,7 +8,7 @@ git-index-helper - A simple cache server for speeding up index 
file access
 SYNOPSIS
 --------
 [verse]
-'git index-helper
+'git index-helper [--detach]
 
 DESCRIPTION
 -----------
@@ -18,6 +18,8 @@ shared memory support (e.g. Linux or Windows)
 
 OPTIONS
 -------
+--detach::
+       Detach from the shell.
 
 GIT
 ---
diff --git a/index-helper.c b/index-helper.c
index f92326a..9420591 100644
--- a/index-helper.c
+++ b/index-helper.c
@@ -159,8 +159,9 @@ int main(int argc, char **argv)
        static struct lock_file lock;
        struct strbuf sb = STRBUF_INIT;
        const char *prefix;
-       int fd;
+       int fd, detach = 0;
        struct option options[] = {
+               OPT_BOOL(0, "detach", &detach, "detach the process"),
                OPT_END()
        };
 
@@ -188,6 +189,9 @@ int main(int argc, char **argv)
        sigchain_push(SIGQUIT, cleanup_on_signal);
        sigchain_push(SIGPIPE, cleanup_on_signal);
 
+       if (detach && daemonize(&daemonized))
+               die_errno("unable to detach");
+
        loop(sb.buf, 600);
        strbuf_release(&sb);
        return 0;
-- 
1.9.1.346.ga2b5940

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