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-rw-r--r--attr.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/attr.c b/attr.c
index a6e6523d29..2ce7365138 100644
--- a/attr.c
+++ b/attr.c
@@ -567,7 +567,9 @@ static void prepare_attr_stack(const char *path, int dirlen)
/*
* Pop the ones from directories that are not the prefix of
- * the path we are checking.
+ * the path we are checking. Break out of the loop when we see
+ * the root one (whose origin is an empty string "") or the builtin
+ * one (whose origin is NULL) without popping it.
*/
while (attr_stack->origin) {
int namelen = strlen(attr_stack->origin);
@@ -587,6 +589,13 @@ static void prepare_attr_stack(const char *path, int dirlen)
* Read from parent directories and push them down
*/
if (!is_bare_repository() || direction == GIT_ATTR_INDEX) {
+ /*
+ * bootstrap_attr_stack() should have added, and the
+ * above loop should have stopped before popping, the
+ * root element whose attr_stack->origin is set to an
+ * empty string.
+ */
+ assert(attr_stack->origin);
while (1) {
char *cp;