gitweb: Add a feature to show side-by-side diff

diff --git a/setup.c b/setup.c
index 27c1d4787a2c2efd8420a225b43e36b76464ce42..61c22e6becc1e49f1e92c916a4b8badd30a9cb2f 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -236,38 +236,6 @@ const char **get_pathspec(const char *prefix, const char **pathspec)
        return pathspec;
 }
 
-const char *pathspec_prefix(const char *prefix, const char **pathspec)
-{
-       const char **p, *n, *prev;
-       unsigned long max;
-
-       if (!pathspec)
-               return prefix ? xmemdupz(prefix, strlen(prefix)) : NULL;
-
-       prev = NULL;
-       max = PATH_MAX;
-       for (p = pathspec; (n = *p) != NULL; p++) {
-               int i, len = 0;
-               for (i = 0; i < max; i++) {
-                       char c = n[i];
-                       if (prev && prev[i] != c)
-                               break;
-                       if (!c || c == '*' || c == '?')
-                               break;
-                       if (c == '/')
-                               len = i+1;
-               }
-               prev = n;
-               if (len < max) {
-                       max = len;
-                       if (!max)
-                               break;
-               }
-       }
-
-       return max ? xmemdupz(prev, max) : NULL;
-}
-
 /*
  * Test if it looks like we're at a git directory.
  * We want to see:
@@ -812,3 +780,10 @@ const char *setup_git_directory(void)
 {
        return setup_git_directory_gently(NULL);
 }
+
+const char *resolve_gitdir(const char *suspect)
+{
+       if (is_git_directory(suspect))
+               return suspect;
+       return read_gitfile(suspect);
+}