Merge branch 'rj/msvc-build'

diff --git a/refs.c b/refs.c
index 257472f8e4449911e462e241a515c2e8241ee860..175b9fcaa25eba2ad02564b32eba04c3351978c5 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -3,6 +3,7 @@
 #include "object.h"
 #include "tag.h"
 #include "dir.h"
+#include "string-list.h"
 
 /*
  * Make sure "ref" is something reasonable to have under ".git/refs/";
@@ -259,8 +260,13 @@ static void clear_ref_dir(struct ref_dir *dir);
 
 static void free_ref_entry(struct ref_entry *entry)
 {
-       if (entry->flag & REF_DIR)
-               clear_ref_dir(get_ref_dir(entry));
+       if (entry->flag & REF_DIR) {
+               /*
+                * Do not use get_ref_dir() here, as that might
+                * trigger the reading of loose refs.
+                */
+               clear_ref_dir(&entry->u.subdir);
+       }
        free(entry);
 }
 
@@ -273,6 +279,12 @@ static void add_entry_to_dir(struct ref_dir *dir, struct ref_entry *entry)
 {
        ALLOC_GROW(dir->entries, dir->nr + 1, dir->alloc);
        dir->entries[dir->nr++] = entry;
+       /* optimize for the case that entries are added in order */
+       if (dir->nr == 1 ||
+           (dir->nr == dir->sorted + 1 &&
+            strcmp(dir->entries[dir->nr - 2]->name,
+                   dir->entries[dir->nr - 1]->name) < 0))
+               dir->sorted = dir->nr;
 }
 
 /*
@@ -1189,6 +1201,8 @@ int peel_ref(const char *refname, unsigned char *sha1)
        if (current_ref && (current_ref->name == refname
                || !strcmp(current_ref->name, refname))) {
                if (current_ref->flag & REF_KNOWS_PEELED) {
+                       if (is_null_sha1(current_ref->u.value.peeled))
+                           return -1;
                        hashcpy(sha1, current_ref->u.value.peeled);
                        return 0;
                }
@@ -1210,9 +1224,16 @@ int peel_ref(const char *refname, unsigned char *sha1)
        }
 
 fallback:
-       o = parse_object(base);
-       if (o && o->type == OBJ_TAG) {
-               o = deref_tag(o, refname, 0);
+       o = lookup_unknown_object(base);
+       if (o->type == OBJ_NONE) {
+               int type = sha1_object_info(base, NULL);
+               if (type < 0)
+                       return -1;
+               o->type = type;
+       }
+
+       if (o->type == OBJ_TAG) {
+               o = deref_tag_noverify(o);
                if (o) {
                        hashcpy(sha1, o->sha1);
                        return 0;
@@ -1722,7 +1743,8 @@ static struct lock_file packlock;
 static int repack_without_ref(const char *refname)
 {
        struct repack_without_ref_sb data;
-       struct ref_dir *packed = get_packed_refs(get_ref_cache(NULL));
+       struct ref_cache *refs = get_ref_cache(NULL);
+       struct ref_dir *packed = get_packed_refs(refs);
        if (find_ref(packed, refname) == NULL)
                return 0;
        data.refname = refname;
@@ -1731,6 +1753,8 @@ static int repack_without_ref(const char *refname)
                unable_to_lock_error(git_path("packed-refs"), errno);
                return error("cannot delete '%s' from packed refs", refname);
        }
+       clear_packed_ref_cache(refs);
+       packed = get_packed_refs(refs);
        do_for_each_ref_in_dir(packed, 0, "", repack_without_ref_fn, 0, 0, &data);
        return commit_lock_file(&packlock);
 }
@@ -1740,32 +1764,24 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
        struct ref_lock *lock;
        int err, i = 0, ret = 0, flag = 0;
 
-       lock = lock_ref_sha1_basic(refname, sha1, 0, &flag);
+       lock = lock_ref_sha1_basic(refname, sha1, delopt, &flag);
        if (!lock)
                return 1;
        if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
                /* loose */
-               const char *path;
-
-               if (!(delopt & REF_NODEREF)) {
-                       i = strlen(lock->lk->filename) - 5; /* .lock */
-                       lock->lk->filename[i] = 0;
-                       path = lock->lk->filename;
-               } else {
-                       path = git_path("%s", refname);
-               }
-               err = unlink_or_warn(path);
+               i = strlen(lock->lk->filename) - 5; /* .lock */
+               lock->lk->filename[i] = 0;
+               err = unlink_or_warn(lock->lk->filename);
                if (err && errno != ENOENT)
                        ret = 1;
 
-               if (!(delopt & REF_NODEREF))
-                       lock->lk->filename[i] = '.';
+               lock->lk->filename[i] = '.';
        }
        /* removing the loose one could have resurrected an earlier
         * packed one.  Also, if it was not loose we need to repack
         * without it.
         */
-       ret |= repack_without_ref(refname);
+       ret |= repack_without_ref(lock->ref_name);
 
        unlink_or_warn(git_path("logs/%s", lock->ref_name));
        invalidate_ref_cache(NULL);
@@ -2539,3 +2555,46 @@ char *shorten_unambiguous_ref(const char *refname, int strict)
        free(short_name);
        return xstrdup(refname);
 }
+
+static struct string_list *hide_refs;
+
+int parse_hide_refs_config(const char *var, const char *value, const char *section)
+{
+       if (!strcmp("transfer.hiderefs", var) ||
+           /* NEEDSWORK: use parse_config_key() once both are merged */
+           (!prefixcmp(var, section) && var[strlen(section)] == '.' &&
+            !strcmp(var + strlen(section), ".hiderefs"))) {
+               char *ref;
+               int len;
+
+               if (!value)
+                       return config_error_nonbool(var);
+               ref = xstrdup(value);
+               len = strlen(ref);
+               while (len && ref[len - 1] == '/')
+                       ref[--len] = '\0';
+               if (!hide_refs) {
+                       hide_refs = xcalloc(1, sizeof(*hide_refs));
+                       hide_refs->strdup_strings = 1;
+               }
+               string_list_append(hide_refs, ref);
+       }
+       return 0;
+}
+
+int ref_is_hidden(const char *refname)
+{
+       struct string_list_item *item;
+
+       if (!hide_refs)
+               return 0;
+       for_each_string_list_item(item, hide_refs) {
+               int len;
+               if (prefixcmp(refname, item->string))
+                       continue;
+               len = strlen(item->string);
+               if (!refname[len] || refname[len] == '/')
+                       return 1;
+       }
+       return 0;
+}