Merge branch 'sb/describe-blob'
[gitweb.git] / builtin / reset.c
index 7aeaea2737991f021eb788708c1710305abb4b08..e15f595799c40933e31f909715e35b4d0a665fc0 100644 (file)
@@ -12,7 +12,7 @@
 #include "lockfile.h"
 #include "tag.h"
 #include "object.h"
-#include "commit.h"
+#include "pretty.h"
 #include "run-command.h"
 #include "refs.h"
 #include "diff.h"
@@ -44,10 +44,11 @@ static inline int is_merge(void)
 
 static int reset_index(const struct object_id *oid, int reset_type, int quiet)
 {
-       int nr = 1;
+       int i, nr = 0;
        struct tree_desc desc[2];
        struct tree *tree;
        struct unpack_trees_options opts;
+       int ret = -1;
 
        memset(&opts, 0, sizeof(opts));
        opts.head_idx = 1;
@@ -75,23 +76,32 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet)
                struct object_id head_oid;
                if (get_oid("HEAD", &head_oid))
                        return error(_("You do not have a valid HEAD."));
-               if (!fill_tree_descriptor(desc, head_oid.hash))
+               if (!fill_tree_descriptor(desc + nr, &head_oid))
                        return error(_("Failed to find tree of HEAD."));
                nr++;
                opts.fn = twoway_merge;
        }
 
-       if (!fill_tree_descriptor(desc + nr - 1, oid->hash))
-               return error(_("Failed to find tree of %s."), oid_to_hex(oid));
+       if (!fill_tree_descriptor(desc + nr, oid)) {
+               error(_("Failed to find tree of %s."), oid_to_hex(oid));
+               goto out;
+       }
+       nr++;
+
        if (unpack_trees(nr, desc, &opts))
-               return -1;
+               goto out;
 
        if (reset_type == MIXED || reset_type == HARD) {
                tree = parse_tree_indirect(oid);
                prime_cache_tree(&the_index, tree);
        }
 
-       return 0;
+       ret = 0;
+
+out:
+       for (i = 0; i < nr; i++)
+               free((void *)desc[i].buffer);
+       return ret;
 }
 
 static void print_new_head_line(struct commit *commit)
@@ -156,6 +166,7 @@ static int read_from_tree(const struct pathspec *pathspec,
        opt.output_format = DIFF_FORMAT_CALLBACK;
        opt.format_callback = update_index_from_diff;
        opt.format_callback_data = &intent_to_add;
+       opt.flags.override_submodule_config = 1;
 
        if (do_diff_cache(tree_oid, &opt))
                return 1;
@@ -219,8 +230,8 @@ static void parse_args(struct pathspec *pathspec,
                 * has to be unambiguous. If there is a single argument, it
                 * can not be a tree
                 */
-               else if ((!argv[1] && !get_sha1_committish(argv[0], unused.hash)) ||
-                        (argv[1] && !get_sha1_treeish(argv[0], unused.hash))) {
+               else if ((!argv[1] && !get_oid_committish(argv[0], &unused)) ||
+                        (argv[1] && !get_oid_treeish(argv[0], &unused))) {
                        /*
                         * Ok, argv[0] looks like a commit/tree; it should not
                         * be a filename.
@@ -255,12 +266,12 @@ static int reset_refs(const char *rev, const struct object_id *oid)
        if (!get_oid("HEAD", &oid_orig)) {
                orig = &oid_orig;
                set_reflog_message(&msg, "updating ORIG_HEAD", NULL);
-               update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
+               update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
                           UPDATE_REFS_MSG_ON_ERR);
        } else if (old_orig)
-               delete_ref(NULL, "ORIG_HEAD", old_orig->hash, 0);
+               delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
        set_reflog_message(&msg, "updating HEAD", rev);
-       update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0,
+       update_ref_status = update_ref(msg.buf, "HEAD", oid, orig, 0,
                                       UPDATE_REFS_MSG_ON_ERR);
        strbuf_release(&msg);
        return update_ref_status;
@@ -308,15 +319,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                                                PARSE_OPT_KEEP_DASHDASH);
        parse_args(&pathspec, argv, prefix, patch_mode, &rev);
 
-       load_submodule_cache();
-
-       unborn = !strcmp(rev, "HEAD") && get_sha1("HEAD", oid.hash);
+       unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid);
        if (unborn) {
                /* reset on unborn branch: treat as reset to empty tree */
                hashcpy(oid.hash, EMPTY_TREE_SHA1_BIN);
        } else if (!pathspec.nr) {
                struct commit *commit;
-               if (get_sha1_committish(rev, oid.hash))
+               if (get_oid_committish(rev, &oid))
                        die(_("Failed to resolve '%s' as a valid revision."), rev);
                commit = lookup_commit_reference(&oid);
                if (!commit)
@@ -324,7 +333,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                oidcpy(&oid, &commit->object.oid);
        } else {
                struct tree *tree;
-               if (get_sha1_treeish(rev, oid.hash))
+               if (get_oid_treeish(rev, &oid))
                        die(_("Failed to resolve '%s' as a valid tree."), rev);
                tree = parse_tree_indirect(&oid);
                if (!tree)
@@ -368,8 +377,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                die_if_unmerged_cache(reset_type);
 
        if (reset_type != SOFT) {
-               struct lock_file *lock = xcalloc(1, sizeof(*lock));
-               hold_locked_index(lock, LOCK_DIE_ON_ERROR);
+               struct lock_file lock = LOCK_INIT;
+               hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
                if (reset_type == MIXED) {
                        int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
                        if (read_from_tree(&pathspec, &oid, intent_to_add))
@@ -385,7 +394,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                                die(_("Could not reset index file to revision '%s'."), rev);
                }
 
-               if (write_locked_index(&the_index, lock, COMMIT_LOCK))
+               if (write_locked_index(&the_index, &lock, COMMIT_LOCK))
                        die(_("Could not write new index file."));
        }