sequencer: introduce todo_list_write_to_file()
[gitweb.git] / builtin / rebase.c
index 1a2758756af6918314dccb74aa691da403fb4132..00de70365ed41167c18e3233106e89d082370b6a 100644 (file)
@@ -582,7 +582,8 @@ static int reset_head(struct object_id *oid, const char *action,
        }
 
        if (!reset_hard && !fill_tree_descriptor(&desc[nr++], &head_oid)) {
-               ret = error(_("failed to find tree of %s"), oid_to_hex(oid));
+               ret = error(_("failed to find tree of %s"),
+                           oid_to_hex(&head_oid));
                goto leave_reset_head;
        }
 
@@ -597,7 +598,7 @@ static int reset_head(struct object_id *oid, const char *action,
        }
 
        tree = parse_tree_indirect(oid);
-       prime_cache_tree(the_repository->index, tree);
+       prime_cache_tree(the_repository, the_repository->index, tree);
 
        if (write_locked_index(the_repository->index, &lock, COMMIT_LOCK) < 0) {
                ret = error(_("could not write index"));
@@ -775,6 +776,23 @@ static void NORETURN error_on_missing_default_upstream(void)
        exit(1);
 }
 
+static void set_reflog_action(struct rebase_options *options)
+{
+       const char *env;
+       struct strbuf buf = STRBUF_INIT;
+
+       if (!is_interactive(options))
+               return;
+
+       env = getenv(GIT_REFLOG_ACTION_ENVIRONMENT);
+       if (env && strcmp("rebase", env))
+               return; /* only override it if it is "rebase" */
+
+       strbuf_addf(&buf, "rebase -i (%s)", options->action);
+       setenv(GIT_REFLOG_ACTION_ENVIRONMENT, buf.buf, 1);
+       strbuf_release(&buf);
+}
+
 int cmd_rebase(int argc, const char **argv, const char *prefix)
 {
        struct rebase_options options = {
@@ -870,7 +888,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                               "them"), REBASE_PRESERVE_MERGES),
                OPT_BOOL(0, "rerere-autoupdate",
                         &options.allow_rerere_autoupdate,
-                        N_("allow rerere to update index  with resolved "
+                        N_("allow rerere to update index with resolved "
                            "conflict")),
                OPT_BOOL('k', "keep-empty", &options.keep_empty,
                         N_("preserve empty commits during rebase")),
@@ -977,6 +995,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 
        if (action != NO_ACTION && !in_progress)
                die(_("No rebase in progress?"));
+       setenv(GIT_REFLOG_ACTION_ENVIRONMENT, "rebase", 0);
 
        if (action == ACTION_EDIT_TODO && !is_interactive(&options))
                die(_("The --edit-todo action can only be used during "
@@ -989,6 +1008,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                int fd;
 
                options.action = "continue";
+               set_reflog_action(&options);
 
                /* Sanity check */
                if (get_oid("HEAD", &head))
@@ -1004,7 +1024,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                                             &lock_file);
                rollback_lock_file(&lock_file);
 
-               if (has_unstaged_changes(1)) {
+               if (has_unstaged_changes(the_repository, 1)) {
                        puts(_("You must edit all merge conflicts and then\n"
                               "mark them as resolved using git add"));
                        exit(1);
@@ -1017,14 +1037,15 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                struct string_list merge_rr = STRING_LIST_INIT_DUP;
 
                options.action = "skip";
+               set_reflog_action(&options);
 
-               rerere_clear(&merge_rr);
+               rerere_clear(the_repository, &merge_rr);
                string_list_clear(&merge_rr, 1);
 
                if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD,
                               NULL, NULL) < 0)
                        die(_("could not discard worktree changes"));
-               remove_branch_state();
+               remove_branch_state(the_repository);
                if (read_basic_state(&options))
                        exit(1);
                goto run_rebase;
@@ -1032,8 +1053,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
        case ACTION_ABORT: {
                struct string_list merge_rr = STRING_LIST_INIT_DUP;
                options.action = "abort";
+               set_reflog_action(&options);
 
-               rerere_clear(&merge_rr);
+               rerere_clear(the_repository, &merge_rr);
                string_list_clear(&merge_rr, 1);
 
                if (read_basic_state(&options))
@@ -1043,7 +1065,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                               NULL, NULL) < 0)
                        die(_("could not move back to %s"),
                            oid_to_hex(&options.orig_head));
-               remove_branch_state();
+               remove_branch_state(the_repository);
                ret = finish_rebase(&options);
                goto cleanup;
        }
@@ -1359,7 +1381,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                        update_index_if_able(&the_index, &lock_file);
                rollback_lock_file(&lock_file);
 
-               if (has_unstaged_changes(1) || has_uncommitted_changes(1)) {
+               if (has_unstaged_changes(the_repository, 1) ||
+                   has_uncommitted_changes(the_repository, 1)) {
                        const char *autostash =
                                state_dir_path("autostash", &options);
                        struct child_process stash = CHILD_PROCESS_INIT;
@@ -1405,7 +1428,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                }
        }
 
-       if (require_clean_work_tree("rebase",
+       if (require_clean_work_tree(the_repository, "rebase",
                                    _("Please commit or stash them."), 1, 1)) {
                ret = 1;
                goto cleanup;
@@ -1439,11 +1462,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                                }
 
                                strbuf_reset(&buf);
-                               strbuf_addf(&buf, "rebase: checkout %s",
+                               strbuf_addf(&buf, "%s: checkout %s",
+                                           getenv(GIT_REFLOG_ACTION_ENVIRONMENT),
                                            options.switch_to);
                                if (reset_head(&oid, "checkout",
                                               options.head_name, 0,
-                                              NULL, NULL) < 0) {
+                                              NULL, buf.buf) < 0) {
                                        ret = !!error(_("could not switch to "
                                                        "%s"),
                                                      options.switch_to);
@@ -1480,10 +1504,15 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
        if (options.flags & REBASE_DIFFSTAT) {
                struct diff_options opts;
 
-               if (options.flags & REBASE_VERBOSE)
-                       printf(_("Changes from %s to %s:\n"),
-                               oid_to_hex(&merge_base),
-                               oid_to_hex(&options.onto->object.oid));
+               if (options.flags & REBASE_VERBOSE) {
+                       if (is_null_oid(&merge_base))
+                               printf(_("Changes to %s:\n"),
+                                      oid_to_hex(&options.onto->object.oid));
+                       else
+                               printf(_("Changes from %s to %s:\n"),
+                                      oid_to_hex(&merge_base),
+                                      oid_to_hex(&options.onto->object.oid));
+               }
 
                /* We want color (if set), but no pager */
                diff_setup(&opts);
@@ -1493,8 +1522,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                        DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
                opts.detect_rename = DIFF_DETECT_RENAME;
                diff_setup_done(&opts);
-               diff_tree_oid(&merge_base, &options.onto->object.oid,
-                             "", &opts);
+               diff_tree_oid(is_null_oid(&merge_base) ?
+                             the_hash_algo->empty_tree : &merge_base,
+                             &options.onto->object.oid, "", &opts);
                diffcore_std(&opts);
                diff_flush(&opts);
        }
@@ -1507,7 +1537,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                printf(_("First, rewinding head to replay your work on top of "
                         "it...\n"));
 
-       strbuf_addf(&msg, "rebase: checkout %s", options.onto_name);
+       strbuf_addf(&msg, "%s: checkout %s",
+                   getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name);
        if (reset_head(&options.onto->object.oid, "checkout", NULL,
                       RESET_HEAD_DETACH, NULL, msg.buf))
                die(_("Could not detach HEAD"));
@@ -1519,7 +1550,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
         */
        strbuf_reset(&msg);
        if (!oidcmp(&merge_base, &options.orig_head)) {
-               printf(_("Fast-forwarded %s to %s. \n"),
+               printf(_("Fast-forwarded %s to %s.\n"),
                        branch_name, options.onto_name);
                strbuf_addf(&msg, "rebase finished: %s onto %s",
                        options.head_name ? options.head_name : "detached HEAD",