Merge branch 'jk/interpret-branch-name'

diff --git a/builtin/merge.c b/builtin/merge.c
index 84375db71408827c0002aa0cd3ba7b6aad86c4d2..848a29855611d22bf19f3740a577a2b312294257 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -46,6 +46,7 @@ static const char * const builtin_merge_usage[] = {
        N_("git merge [<options>] [<commit>...]"),
        N_("git merge [<options>] <msg> HEAD <commit>"),
        N_("git merge --abort"),
+       N_("git merge --continue"),
        NULL
 };
 
@@ -65,6 +66,7 @@ static int option_renormalize;
 static int verbosity;
 static int allow_rerere_auto;
 static int abort_current_merge;
+static int continue_current_merge;
 static int allow_unrelated_histories;
 static int show_progress = -1;
 static int default_to_upstream = 1;
@@ -223,6 +225,8 @@ static struct option builtin_merge_options[] = {
        OPT__VERBOSITY(&verbosity),
        OPT_BOOL(0, "abort", &abort_current_merge,
                N_("abort the current in-progress merge")),
+       OPT_BOOL(0, "continue", &continue_current_merge,
+               N_("continue the current in-progress merge")),
        OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories,
                 N_("allow merging unrelated histories")),
        OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1),
@@ -634,7 +638,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
 {
        static struct lock_file lock;
 
-       hold_locked_index(&lock, 1);
+       hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
        refresh_cache(REFRESH_QUIET);
        if (active_cache_changed &&
            write_locked_index(&the_index, &lock, COMMIT_LOCK))
@@ -671,7 +675,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
                for (j = common; j; j = j->next)
                        commit_list_insert(j->item, &reversed);
 
-               hold_locked_index(&lock, 1);
+               hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
                clean = merge_recursive(&o, head,
                                remoteheads->item, reversed, &result);
                if (clean < 0)
@@ -781,7 +785,7 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
        struct commit_list *parents, **pptr = &parents;
        static struct lock_file lock;
 
-       hold_locked_index(&lock, 1);
+       hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
        refresh_cache(REFRESH_QUIET);
        if (active_cache_changed &&
            write_locked_index(&the_index, &lock, COMMIT_LOCK))
@@ -1125,6 +1129,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
        const char *best_strategy = NULL, *wt_strategy = NULL;
        struct commit_list *remoteheads, *p;
        void *branch_to_free;
+       int orig_argc = argc;
 
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage_with_options(builtin_merge_usage, builtin_merge_options);
@@ -1158,6 +1163,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                int nargc = 2;
                const char *nargv[] = {"reset", "--merge", NULL};
 
+               if (orig_argc != 2)
+                       usage_msg_opt(_("--abort expects no arguments"),
+                             builtin_merge_usage, builtin_merge_options);
+
                if (!file_exists(git_path_merge_head()))
                        die(_("There is no merge to abort (MERGE_HEAD missing)."));
 
@@ -1166,6 +1175,22 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                goto done;
        }
 
+       if (continue_current_merge) {
+               int nargc = 1;
+               const char *nargv[] = {"commit", NULL};
+
+               if (orig_argc != 2)
+                       usage_msg_opt(_("--continue expects no arguments"),
+                             builtin_merge_usage, builtin_merge_options);
+
+               if (!file_exists(git_path_merge_head()))
+                       die(_("There is no merge in progress (MERGE_HEAD missing)."));
+
+               /* Invoke 'git commit' */
+               ret = cmd_commit(nargc, nargv, prefix);
+               goto done;
+       }
+
        if (read_cache_unmerged())
                die_resolve_conflict("merge");