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-rw-r--r--fsck-cache.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fsck-cache.c b/fsck-cache.c
index 8091780..ca24a1b 100644
--- a/fsck-cache.c
+++ b/fsck-cache.c
@@ -390,7 +390,10 @@ static int fsck_head_link(void)
char hex[40];
unsigned char sha1[20];
static char path[PATH_MAX], link[PATH_MAX];
- const char *git_dir = gitenv(GIT_DIR_ENVIRONMENT) ? : DEFAULT_GIT_DIR_ENVIRONMENT;
+ const char *git_dir;
+
+ git_dir = gitenv(GIT_DIR_ENVIRONMENT);
+ if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
snprintf(path, sizeof(path), "%s/HEAD", git_dir);
if (readlink(path, link, sizeof(link)) < 0)