[PATCH] Document "curl" requirements.

diff --git a/rev-parse.c b/rev-parse.c
index 4c307cd801b5c6f104e5dd517de6a3605bd94213..43af88b5a8f4414056a1a775c9d7e1de452f06c7 100644 (file)
--- 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--;
        }