[PATCH] Add doc and install-doc targets to the Makefile

[git.git] / refs.c

diff --git a/refs.c b/refs.c
index 447080e..774f163 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -3,10 +3,10 @@
 
 #include <errno.h>
 
-static int read_ref(const char *path, unsigned char *sha1)
+static int read_ref(const char *refname, unsigned char *sha1)
 {
        int ret = -1;
-       int fd = open(path, O_RDONLY);
+       int fd = open(git_path(refname), O_RDONLY);
 
        if (fd >= 0) {
                char buffer[60];
@@ -20,12 +20,17 @@ static int read_ref(const char *path, unsigned char *sha1)
 static int do_for_each_ref(const char *base, int (*fn)(const char *path, const unsigned char *sha1))
 {
        int retval = 0;
-       DIR *dir = opendir(base);
+       DIR *dir = opendir(git_path(base));
 
        if (dir) {
                struct dirent *de;
                int baselen = strlen(base);
                char *path = xmalloc(baselen + 257);
+
+               if (!strncmp(base, "./", 2)) {
+                       base += 2;
+                       baselen -= 2;
+               }
                memcpy(path, base, baselen);
                if (baselen && base[baselen-1] != '/')
                        path[baselen++] = '/';
@@ -41,7 +46,7 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
                        if (namelen > 255)
                                continue;
                        memcpy(path + baselen, de->d_name, namelen+1);
-                       if (lstat(path, &st) < 0)
+                       if (lstat(git_path(path), &st) < 0)
                                continue;
                        if (S_ISDIR(st.st_mode)) {
                                retval = do_for_each_ref(path, fn);
@@ -63,9 +68,17 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
        return retval;
 }
 
+int head_ref(int (*fn)(const char *path, const unsigned char *sha1))
+{
+       unsigned char sha1[20];
+       if (!read_ref("HEAD", sha1))
+               return fn("HEAD", sha1);
+       return 0;
+}
+
 int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1))
 {
-       return do_for_each_ref(get_refs_directory(), fn);
+       return do_for_each_ref("refs", fn);
 }
 
 static char *ref_file_name(const char *ref)