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-rw-r--r--setup.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/setup.c b/setup.c
index b99bdd30e6..fb6186049d 100644
--- a/setup.c
+++ b/setup.c
@@ -390,6 +390,17 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
return ret;
}
+static void update_linked_gitdir(const char *gitfile, const char *gitdir)
+{
+ struct strbuf path = STRBUF_INIT;
+ struct stat st;
+
+ strbuf_addf(&path, "%s/gitfile", gitdir);
+ if (stat(path.buf, &st) || st.st_mtime + 24 * 3600 < time(NULL))
+ write_file(path.buf, 0, "%s\n", gitfile);
+ strbuf_release(&path);
+}
+
/*
* Try to read the location of the git directory from the .git file,
* return path to git directory if found.
@@ -438,6 +449,8 @@ const char *read_gitfile(const char *path)
if (!is_git_directory(dir))
die("Not a git repository: %s", dir);
+
+ update_linked_gitdir(path, dir);
path = real_path(dir);
free(buf);