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-rw-r--r--rev-parse.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/rev-parse.c b/rev-parse.c
index 4c307cd..43af88b 100644
--- a/rev-parse.c
+++ b/rev-parse.c
@@ -97,6 +97,10 @@ static int get_parent(char *name, unsigned char *result, int idx)
return -1;
if (parse_commit(commit))
return -1;
+ if (!idx) {
+ memcpy(result, commit->object.sha1, 20);
+ return 0;
+ }
p = commit->parents;
while (p) {
if (!--idx) {
@@ -238,7 +242,7 @@ static int get_extended_sha1(char *name, unsigned char *sha1)
int len = strlen(name);
parent = 1;
- if (len > 2 && name[len-1] >= '1' && name[len-1] <= '9') {
+ if (len > 2 && name[len-1] >= '0' && name[len-1] <= '9') {
parent = name[len-1] - '0';
len--;
}