OPTION_FILENAME has some magic behind the scene, like prefixing which is
useless for init-db. The $HOME expansion though does come handy and
makes --template more consistent with the rest (both env and config var
get $HOME expansion).

Noticed-by: Doron Behar <doron.be...@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 builtin/init-db.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/builtin/init-db.c b/builtin/init-db.c
index 68ff4ad75a..d6bd9f19cb 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -473,8 +473,9 @@ int cmd_init_db(int argc, const char **argv, const char 
*prefix)
        const char *template_dir = NULL;
        unsigned int flags = 0;
        const struct option init_db_options[] = {
-               OPT_STRING(0, "template", &template_dir, 
N_("template-directory"),
-                               N_("directory from which templates will be 
used")),
+               { OPTION_FILENAME, 0, "template", &template_dir,
+                       N_("template-directory"),
+                       N_("directory from which templates will be used")},
                OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
                                N_("create a bare repository"), 1),
                { OPTION_CALLBACK, 0, "shared", &init_shared_repository,
-- 
2.16.1.435.g8f24da2e1a

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