p5551: add a script to test fetch pack-dir rescans

diff --git a/path.c b/path.c
index e485f9f93181778de3acfe3cd4b6811ec82c7940..335d4dd8777bccfe84415f8d8b738a9a844e248d 100644 (file)
--- a/path.c
+++ b/path.c
@@ -33,11 +33,10 @@ static struct strbuf *get_pathname(void)
        return sb;
 }
 
-static char *cleanup_path(char *path)
+static const char *cleanup_path(const char *path)
 {
        /* Clean it up */
-       if (!memcmp(path, "./", 2)) {
-               path += 2;
+       if (skip_prefix(path, "./", &path)) {
                while (*path == '/')
                        path++;
        }
@@ -46,7 +45,7 @@ static char *cleanup_path(char *path)
 
 static void strbuf_cleanup_path(struct strbuf *sb)
 {
-       char *path = cleanup_path(sb->buf);
+       const char *path = cleanup_path(sb->buf);
        if (path > sb->buf)
                strbuf_remove(sb, 0, path - sb->buf);
 }
@@ -63,7 +62,7 @@ char *mksnpath(char *buf, size_t n, const char *fmt, ...)
                strlcpy(buf, bad_path, n);
                return buf;
        }
-       return cleanup_path(buf);
+       return (char *)cleanup_path(buf);
 }
 
 static int dir_prefix(const char *buf, const char *dir)
@@ -636,8 +635,9 @@ void strbuf_git_common_path(struct strbuf *sb,
 int validate_headref(const char *path)
 {
        struct stat st;
-       char *buf, buffer[256];
-       unsigned char sha1[20];
+       char buffer[256];
+       const char *refname;
+       struct object_id oid;
        int fd;
        ssize_t len;
 
@@ -661,24 +661,24 @@ int validate_headref(const char *path)
        len = read_in_full(fd, buffer, sizeof(buffer)-1);
        close(fd);
 
+       if (len < 0)
+               return -1;
+       buffer[len] = '\0';
+
        /*
         * Is it a symbolic ref?
         */
-       if (len < 4)
-               return -1;
-       if (!memcmp("ref:", buffer, 4)) {
-               buf = buffer + 4;
-               len -= 4;
-               while (len && isspace(*buf))
-                       buf++, len--;
-               if (len >= 5 && !memcmp("refs/", buf, 5))
+       if (skip_prefix(buffer, "ref:", &refname)) {
+               while (isspace(*refname))
+                       refname++;
+               if (starts_with(refname, "refs/"))
                        return 0;
        }
 
        /*
         * Is this a detached HEAD?
         */
-       if (!get_sha1_hex(buffer, sha1))
+       if (!get_oid_hex(buffer, &oid))
                return 0;
 
        return -1;
@@ -1321,6 +1321,11 @@ int is_ntfs_dotgit(const char *name)
                }
 }
 
+int looks_like_command_line_option(const char *str)
+{
+       return str && str[0] == '-';
+}
+
 char *xdg_config_home(const char *filename)
 {
        const char *home, *config_home;