Merge branch 'jc/merge-sans-branch'
authorJunio C Hamano <gitster@pobox.com>
Sat, 2 Apr 2011 00:57:16 +0000 (17:57 -0700)
committerJunio C Hamano <gitster@pobox.com>
Sat, 2 Apr 2011 00:57:16 +0000 (17:57 -0700)
* jc/merge-sans-branch:
merge: merge with the default upstream branch without argument
merge: match the help text with the documentation

Conflicts:
builtin/merge.c

1  2 
Documentation/git-merge.txt
Documentation/merge-config.txt
builtin/merge.c
index fb4c05b83f2c5b27598938416ea092da77e5c81d,cc8f424bb7025a9a52f96fd9c92f6a5f8df569fa..e2e6aba17e7bde2bacb7f29ec4c54e5f9587dac6
@@@ -11,7 -11,7 +11,7 @@@ SYNOPSI
  [verse]
  'git merge' [-n] [--stat] [--no-commit] [--squash]
        [-s <strategy>] [-X <strategy-option>]
-       [--[no-]rerere-autoupdate] [-m <msg>] <commit>...
+       [--[no-]rerere-autoupdate] [-m <msg>] [<commit>...]
  'git merge' <msg> HEAD <commit>...
  'git merge' --abort
  
@@@ -95,8 -95,13 +95,13 @@@ commit or stash your changes before run
  
  <commit>...::
        Commits, usually other branch heads, to merge into our branch.
-       You need at least one <commit>.  Specifying more than one
-       <commit> obviously means you are trying an Octopus.
+       Specifying more than one commit will create a merge with
+       more than two parents (affectionately called an Octopus merge).
+ +
+ If no commit is given from the command line, and if `merge.defaultToUpstream`
+ configuration variable is set, merge the remote tracking branches
+ that the current branch is configured to use as its upstream.
+ See also the configuration section of this manual page.
  
  
  PRE-MERGE CHECKS
@@@ -312,6 -317,15 +317,6 @@@ linkgit:git-diff[1], linkgit:git-ls-fil
  linkgit:git-add[1], linkgit:git-rm[1],
  linkgit:git-mergetool[1]
  
 -Author
 -------
 -Written by Junio C Hamano <gitster@pobox.com>
 -
 -
 -Documentation
 ---------------
 -Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
 -
  GIT
  ---
  Part of the linkgit:git[1] suite
index 33bf74c334ead9ee5e44d81d15d544b0625f2894,83dba63082b9fe906d20e0fedea08e68aa3242e7..8920258baa515b048555be3448edea0403ce05be
@@@ -6,6 -6,16 +6,16 @@@ merge.conflictstyle:
        a `>>>>>>>` marker.  An alternate style, "diff3", adds a `|||||||`
        marker and the original text before the `=======` marker.
  
+ merge.defaultToUpstream::
+       If merge is called without any commit argument, merge the upstream
+       branches configured for the current branch by using their last
+       observed values stored in their remote tracking branches.
+       The values of the `branch.<current branch>.merge` that name the
+       branches at the remote named by `branch.<current branch>.remote`
+       are consulted, and then they are mapped via `remote.<remote>.fetch`
+       to their corresponding remote tracking branches, and the tips of
+       these tracking branches are merged.
  merge.log::
        In addition to branch names, populate the log message with at
        most the specified number of one-line descriptions from the
@@@ -33,10 -43,10 +43,10 @@@ merge.stat:
  
  merge.tool::
        Controls which merge resolution program is used by
 -      linkgit:git-mergetool[1].  Valid built-in values are: "kdiff3",
 -      "tkdiff", "meld", "xxdiff", "emerge", "vimdiff", "gvimdiff",
 -      "diffuse", "ecmerge", "tortoisemerge", "p4merge", "araxis" and
 -      "opendiff".  Any other value is treated is custom merge tool
 +      linkgit:git-mergetool[1].  Valid built-in values are: "araxis",
 +      "bc3", "diffuse", "ecmerge", "emerge", "gvimdiff", "kdiff3", "meld",
 +      "opendiff", "p4merge", "tkdiff", "tortoisemerge", "vimdiff"
 +      and "xxdiff".  Any other value is treated is custom merge tool
        and there must be a corresponding mergetool.<tool>.cmd option.
  
  merge.verbosity::
diff --combined builtin/merge.c
index 1e0bcfd792e4fb550fea8786ff2f84e7925aca86,309bdd4dc7d61d38dc5527dfec8cc5d7eb552097..d54e7ddbb12286beb4f9622864f2eeaa79453d32
@@@ -25,6 -25,7 +25,7 @@@
  #include "help.h"
  #include "merge-recursive.h"
  #include "resolve-undo.h"
+ #include "remote.h"
  
  #define DEFAULT_TWOHEAD (1<<0)
  #define DEFAULT_OCTOPUS (1<<1)
@@@ -37,8 -38,9 +38,9 @@@ struct strategy 
  };
  
  static const char * const builtin_merge_usage[] = {
-       "git merge [options] <remote>...",
-       "git merge [options] <msg> HEAD <remote>",
+       "git merge [options] [<commit>...]",
+       "git merge [options] <msg> HEAD <commit>",
+       "git merge --abort",
        NULL
  };
  
@@@ -58,7 -60,7 +60,8 @@@ static int option_renormalize
  static int verbosity;
  static int allow_rerere_auto;
  static int abort_current_merge;
 +static int show_progress = -1;
+ static int default_to_upstream;
  
  static struct strategy all_strategy[] = {
        { "recursive",  DEFAULT_TWOHEAD | NO_TRIVIAL },
@@@ -81,7 -83,7 +84,7 @@@ static int option_parse_message(const s
                strbuf_addf(buf, "%s%s", buf->len ? "\n\n" : "", arg);
                have_message = 1;
        } else
 -              return error("switch `m' requires a value");
 +              return error(_("switch `m' requires a value"));
        return 0;
  }
  
@@@ -118,13 -120,13 +121,13 @@@ static struct strategy *get_strategy(co
                exclude_cmds(&main_cmds, &not_strategies);
        }
        if (!is_in_cmdlist(&main_cmds, name) && !is_in_cmdlist(&other_cmds, name)) {
 -              fprintf(stderr, "Could not find merge strategy '%s'.\n", name);
 -              fprintf(stderr, "Available strategies are:");
 +              fprintf(stderr, _("Could not find merge strategy '%s'.\n"), name);
 +              fprintf(stderr, _("Available strategies are:"));
                for (i = 0; i < main_cmds.cnt; i++)
                        fprintf(stderr, " %s", main_cmds.names[i]->name);
                fprintf(stderr, ".\n");
                if (other_cmds.cnt) {
 -                      fprintf(stderr, "Available custom strategies are:");
 +                      fprintf(stderr, _("Available custom strategies are:"));
                        for (i = 0; i < other_cmds.cnt; i++)
                                fprintf(stderr, " %s", other_cmds.names[i]->name);
                        fprintf(stderr, ".\n");
@@@ -196,12 -198,11 +199,12 @@@ static struct option builtin_merge_opti
        OPT_CALLBACK('X', "strategy-option", &xopts, "option=value",
                "option for selected merge strategy", option_parse_x),
        OPT_CALLBACK('m', "message", &merge_msg, "message",
 -              "message to be used for the merge commit (if any)",
 +              "merge commit message (for a non-fast-forward merge)",
                option_parse_message),
        OPT__VERBOSITY(&verbosity),
        OPT_BOOLEAN(0, "abort", &abort_current_merge,
                "abort the current in-progress merge"),
 +      OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
        OPT_END()
  };
  
@@@ -226,17 -227,17 +229,17 @@@ static void save_state(void
        cp.git_cmd = 1;
  
        if (start_command(&cp))
 -              die("could not run stash.");
 +              die(_("could not run stash."));
        len = strbuf_read(&buffer, cp.out, 1024);
        close(cp.out);
  
        if (finish_command(&cp) || len < 0)
 -              die("stash failed");
 +              die(_("stash failed"));
        else if (!len)
                return;
        strbuf_setlen(&buffer, buffer.len-1);
        if (get_sha1(buffer.buf, stash))
 -              die("not a valid object: %s", buffer.buf);
 +              die(_("not a valid object: %s"), buffer.buf);
  }
  
  static void read_empty(unsigned const char *sha1, int verbose)
        args[i] = NULL;
  
        if (run_command_v_opt(args, RUN_GIT_CMD))
 -              die("read-tree failed");
 +              die(_("read-tree failed"));
  }
  
  static void reset_hard(unsigned const char *sha1, int verbose)
        args[i] = NULL;
  
        if (run_command_v_opt(args, RUN_GIT_CMD))
 -              die("read-tree failed");
 +              die(_("read-tree failed"));
  }
  
  static void restore_state(void)
  static void finish_up_to_date(const char *msg)
  {
        if (verbosity >= 0)
 -              printf("%s%s\n", squash ? " (nothing to squash)" : "", msg);
 +              printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg);
        drop_save();
  }
  
@@@ -313,10 -314,10 +316,10 @@@ static void squash_message(void
        int fd;
        struct pretty_print_context ctx = {0};
  
 -      printf("Squash commit -- not updating HEAD\n");
 +      printf(_("Squash commit -- not updating HEAD\n"));
        fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666);
        if (fd < 0)
 -              die_errno("Could not write to '%s'", git_path("SQUASH_MSG"));
 +              die_errno(_("Could not write to '%s'"), git_path("SQUASH_MSG"));
  
        init_revisions(&rev, NULL);
        rev.ignore_merges = 1;
  
        setup_revisions(0, NULL, &rev, NULL);
        if (prepare_revision_walk(&rev))
 -              die("revision walk setup failed");
 +              die(_("revision walk setup failed"));
  
        ctx.abbrev = rev.abbrev;
        ctx.date_mode = rev.date_mode;
                pretty_print_commit(rev.commit_format, commit, &out, &ctx);
        }
        if (write(fd, out.buf, out.len) < 0)
 -              die_errno("Writing SQUASH_MSG");
 +              die_errno(_("Writing SQUASH_MSG"));
        if (close(fd))
 -              die_errno("Finishing SQUASH_MSG");
 +              die_errno(_("Finishing SQUASH_MSG"));
        strbuf_release(&out);
  }
  
@@@ -366,7 -367,7 +369,7 @@@ static void finish(const unsigned char 
                squash_message();
        } else {
                if (verbosity >= 0 && !merge_msg.len)
 -                      printf("No merge message -- not updating HEAD\n");
 +                      printf(_("No merge message -- not updating HEAD\n"));
                else {
                        const char *argv_gc_auto[] = { "gc", "--auto", NULL };
                        update_ref(reflog_message.buf, "HEAD",
                if (diff_use_color_default > 0)
                        DIFF_OPT_SET(&opts, COLOR_DIFF);
                if (diff_setup_done(&opts) < 0)
 -                      die("diff_setup_done failed");
 +                      die(_("diff_setup_done failed"));
                diff_tree_sha1(head, new_head, "", &opts);
                diffcore_std(&opts);
                diff_flush(&opts);
@@@ -417,7 -418,7 +420,7 @@@ static void merge_name(const char *remo
        memset(branch_head, 0, sizeof(branch_head));
        remote_head = peel_to_type(remote, 0, NULL, OBJ_COMMIT);
        if (!remote_head)
 -              die("'%s' does not point to a commit", remote);
 +              die(_("'%s' does not point to a commit"), remote);
  
        if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
                if (!prefixcmp(found_ref, "refs/heads/")) {
  
                fp = fopen(git_path("FETCH_HEAD"), "r");
                if (!fp)
 -                      die_errno("could not open '%s' for reading",
 +                      die_errno(_("could not open '%s' for reading"),
                                  git_path("FETCH_HEAD"));
                strbuf_getline(&line, fp, '\n');
                fclose(fp);
@@@ -512,7 -513,7 +515,7 @@@ static int git_merge_config(const char 
                buf = xstrdup(v);
                argc = split_cmdline(buf, &argv);
                if (argc < 0)
 -                      die("Bad branch.%s.mergeoptions string: %s", branch,
 +                      die(_("Bad branch.%s.mergeoptions string: %s"), branch,
                            split_cmdline_strerror(argc));
                argv = xrealloc(argv, sizeof(*argv) * (argc + 2));
                memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
                int is_bool;
                shortlog_len = git_config_bool_or_int(k, v, &is_bool);
                if (!is_bool && shortlog_len < 0)
 -                      return error("%s: negative length %s", k, v);
 +                      return error(_("%s: negative length %s"), k, v);
                if (is_bool && shortlog_len)
                        shortlog_len = DEFAULT_MERGE_LOG_LEN;
                return 0;
+       } else if (!strcmp(k, "merge.defaulttoupstream")) {
+               default_to_upstream = git_config_bool(k, v);
+               return 0;
        }
        return git_diff_ui_config(k, v, cb);
  }
@@@ -581,11 -585,10 +587,11 @@@ static int read_tree_trivial(unsigned c
  static void write_tree_trivial(unsigned char *sha1)
  {
        if (write_cache_as_tree(sha1, 0, NULL))
 -              die("git write-tree failed to write a tree");
 +              die(_("git write-tree failed to write a tree"));
  }
  
 -int try_merge_command(const char *strategy, struct commit_list *common,
 +int try_merge_command(const char *strategy, size_t xopts_nr,
 +                    const char **xopts, struct commit_list *common,
                      const char *head_arg, struct commit_list *remotes)
  {
        const char **args;
        free(args);
        discard_cache();
        if (read_cache() < 0)
 -              die("failed to read the cache");
 +              die(_("failed to read the cache"));
        resolve_undo_clear();
  
        return ret;
@@@ -640,7 -643,7 +646,7 @@@ static int try_merge_strategy(const cha
        if (active_cache_changed &&
                        (write_cache(index_fd, active_cache, active_nr) ||
                         commit_locked_index(lock)))
 -              return error("Unable to write index.");
 +              return error(_("Unable to write index."));
        rollback_lock_file(lock);
  
        if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
                struct commit_list *j;
  
                if (remoteheads->next) {
 -                      error("Not handling anything other than two heads merge.");
 +                      error(_("Not handling anything other than two heads merge."));
                        return 2;
                }
  
                        o.subtree_shift = "";
  
                o.renormalize = option_renormalize;
 +              o.show_rename_progress =
 +                      show_progress == -1 ? isatty(2) : show_progress;
  
                for (x = 0; x < xopts_nr; x++)
                        if (parse_merge_opt(&o, xopts[x]))
 -                              die("Unknown option for merge-recursive: -X%s", xopts[x]);
 +                              die(_("Unknown option for merge-recursive: -X%s"), xopts[x]);
  
                o.branch1 = head_arg;
                o.branch2 = remoteheads->item->util;
                if (active_cache_changed &&
                                (write_cache(index_fd, active_cache, active_nr) ||
                                 commit_locked_index(lock)))
 -                      die ("unable to write %s", get_index_file());
 +                      die (_("unable to write %s"), get_index_file());
                rollback_lock_file(lock);
                return clean ? 0 : 1;
        } else {
 -              return try_merge_command(strategy, common, head_arg, remoteheads);
 +              return try_merge_command(strategy, xopts_nr, xopts,
 +                                              common, head_arg, remoteheads);
        }
  }
  
@@@ -753,7 -753,7 +759,7 @@@ int checkout_fast_forward(const unsigne
                return -1;
        if (write_cache(fd, active_cache, active_nr) ||
                commit_locked_index(lock_file))
 -              die("unable to write new index file");
 +              die(_("unable to write new index file"));
        return 0;
  }
  
@@@ -801,44 -801,17 +807,44 @@@ static void add_strategies(const char *
  
  }
  
 +static void write_merge_msg(void)
 +{
 +      int fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
 +      if (fd < 0)
 +              die_errno(_("Could not open '%s' for writing"),
 +                        git_path("MERGE_MSG"));
 +      if (write_in_full(fd, merge_msg.buf, merge_msg.len) != merge_msg.len)
 +              die_errno(_("Could not write to '%s'"), git_path("MERGE_MSG"));
 +      close(fd);
 +}
 +
 +static void read_merge_msg(void)
 +{
 +      strbuf_reset(&merge_msg);
 +      if (strbuf_read_file(&merge_msg, git_path("MERGE_MSG"), 0) < 0)
 +              die_errno("Could not read from '%s'", git_path("MERGE_MSG"));
 +}
 +
 +static void run_prepare_commit_msg(void)
 +{
 +      write_merge_msg();
 +      run_hook(get_index_file(), "prepare-commit-msg",
 +               git_path("MERGE_MSG"), "merge", NULL, NULL);
 +      read_merge_msg();
 +}
 +
  static int merge_trivial(void)
  {
        unsigned char result_tree[20], result_commit[20];
        struct commit_list *parent = xmalloc(sizeof(*parent));
  
        write_tree_trivial(result_tree);
 -      printf("Wonderful.\n");
 +      printf(_("Wonderful.\n"));
        parent->item = lookup_commit(head);
        parent->next = xmalloc(sizeof(*parent->next));
        parent->next->item = remoteheads->item;
        parent->next->next = NULL;
 +      run_prepare_commit_msg();
        commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL);
        finish(result_commit, "In-index merge");
        drop_save();
@@@ -868,7 -841,6 +874,7 @@@ static int finish_automerge(struct comm
        }
        free_commit_list(remoteheads);
        strbuf_addch(&merge_msg, '\n');
 +      run_prepare_commit_msg();
        commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL);
        strbuf_addf(&buf, "Merge made by %s.", wt_strategy);
        finish(result_commit, buf.buf);
@@@ -884,7 -856,7 +890,7 @@@ static int suggest_conflicts(int renorm
  
        fp = fopen(git_path("MERGE_MSG"), "a");
        if (!fp)
 -              die_errno("Could not open '%s' for writing",
 +              die_errno(_("Could not open '%s' for writing"),
                          git_path("MERGE_MSG"));
        fprintf(fp, "\nConflicts:\n");
        for (pos = 0; pos < active_nr; pos++) {
        }
        fclose(fp);
        rerere(allow_rerere_auto);
 -      printf("Automatic merge failed; "
 -                      "fix conflicts and then commit the result.\n");
 +      printf(_("Automatic merge failed; "
 +                      "fix conflicts and then commit the result.\n"));
        return 1;
  }
  
@@@ -915,7 -887,7 +921,7 @@@ static struct commit *is_old_style_invo
                        return NULL;
                second_token = lookup_commit_reference_gently(second_sha1, 0);
                if (!second_token)
 -                      die("'%s' is not a commit", argv[1]);
 +                      die(_("'%s' is not a commit"), argv[1]);
                if (hashcmp(second_token->object.sha1, head))
                        return NULL;
        }
@@@ -945,6 -917,35 +951,35 @@@ static int evaluate_result(void
        return cnt;
  }
  
+ /*
+  * Pretend as if the user told us to merge with the tracking
+  * branch we have for the upstream of the current branch
+  */
+ static int setup_with_upstream(const char ***argv)
+ {
+       struct branch *branch = branch_get(NULL);
+       int i;
+       const char **args;
+       if (!branch)
+               die("No current branch.");
+       if (!branch->remote)
+               die("No remote for the current branch.");
+       if (!branch->merge_nr)
+               die("No default upstream defined for the current branch.");
+       args = xcalloc(branch->merge_nr + 1, sizeof(char *));
+       for (i = 0; i < branch->merge_nr; i++) {
+               if (!branch->merge[i]->dst)
+                       die("No remote tracking branch for %s from %s",
+                           branch->merge[i]->src, branch->remote_name);
+               args[i] = branch->merge[i]->dst;
+       }
+       args[i] = NULL;
+       *argv = args;
+       return i;
+ }
  int cmd_merge(int argc, const char **argv, const char *prefix)
  {
        unsigned char result_tree[20];
        argc = parse_options(argc, argv, prefix, builtin_merge_options,
                        builtin_merge_usage, 0);
  
 +      if (verbosity < 0 && show_progress == -1)
 +              show_progress = 0;
 +
        if (abort_current_merge) {
                int nargc = 2;
                const char *nargv[] = {"reset", "--merge", NULL};
  
                if (!file_exists(git_path("MERGE_HEAD")))
 -                      die("There is no merge to abort (MERGE_HEAD missing).");
 +                      die(_("There is no merge to abort (MERGE_HEAD missing)."));
  
                /* Invoke 'git reset --merge' */
                return cmd_reset(nargc, nargv, prefix);
                 * add/rm <file>', just 'git commit'.
                 */
                if (advice_resolve_conflict)
 -                      die("You have not concluded your merge (MERGE_HEAD exists).\n"
 +                      die(_("You have not concluded your merge (MERGE_HEAD exists).\n"
 +                                "Please, commit your changes before you can merge."));
 +              else
 +                      die(_("You have not concluded your merge (MERGE_HEAD exists)."));
 +      }
 +      if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
 +              if (advice_resolve_conflict)
 +                      die("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
                            "Please, commit your changes before you can merge.");
                else
 -                      die("You have not concluded your merge (MERGE_HEAD exists).");
 +                      die("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).");
        }
        resolve_undo_clear();
  
  
        if (squash) {
                if (!allow_fast_forward)
 -                      die("You cannot combine --squash with --no-ff.");
 +                      die(_("You cannot combine --squash with --no-ff."));
                option_commit = 0;
        }
  
        if (!allow_fast_forward && fast_forward_only)
 -              die("You cannot combine --no-ff with --ff-only.");
 +              die(_("You cannot combine --no-ff with --ff-only."));
  
+       if (!argc && !abort_current_merge && default_to_upstream)
+               argc = setup_with_upstream(&argv);
        if (!argc)
                usage_with_options(builtin_merge_usage,
                        builtin_merge_options);
                 * We do the same for "git pull".
                 */
                if (argc != 1)
 -                      die("Can merge only exactly one commit into "
 -                              "empty head");
 +                      die(_("Can merge only exactly one commit into "
 +                              "empty head"));
                if (squash)
 -                      die("Squash commit into empty head not supported yet");
 +                      die(_("Squash commit into empty head not supported yet"));
                if (!allow_fast_forward)
 -                      die("Non-fast-forward commit does not make sense into "
 -                          "an empty head");
 +                      die(_("Non-fast-forward commit does not make sense into "
 +                          "an empty head"));
                remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT);
                if (!remote_head)
 -                      die("%s - not something we can merge", argv[0]);
 +                      die(_("%s - not something we can merge"), argv[0]);
 +              read_empty(remote_head->sha1, 0);
                update_ref("initial pull", "HEAD", remote_head->sha1, NULL, 0,
                                DIE_ON_ERR);
 -              read_empty(remote_head->sha1, 0);
                return 0;
        } else {
                struct strbuf merge_names = STRBUF_INIT;
  
                o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT);
                if (!o)
 -                      die("%s - not something we can merge", argv[i]);
 +                      die(_("%s - not something we can merge"), argv[i]);
                commit = lookup_commit(o->sha1);
                commit->util = (void *)argv[i];
                remotes = &commit_list_insert(commit, remotes)->next;
                strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV));
  
                if (verbosity >= 0)
 -                      printf("Updating %s..%s\n",
 +                      printf(_("Updating %s..%s\n"),
                                hex,
                                find_unique_abbrev(remoteheads->item->object.sha1,
                                DEFAULT_ABBREV));
                if (allow_trivial && !fast_forward_only) {
                        /* See if it is really trivial. */
                        git_committer_info(IDENT_ERROR_ON_NO_NAME);
 -                      printf("Trying really trivial in-index merge...\n");
 +                      printf(_("Trying really trivial in-index merge...\n"));
                        if (!read_tree_trivial(common->item->object.sha1,
                                        head, remoteheads->item->object.sha1))
                                return merge_trivial();
 -                      printf("Nope.\n");
 +                      printf(_("Nope.\n"));
                }
        } else {
                /*
        }
  
        if (fast_forward_only)
 -              die("Not possible to fast-forward, aborting.");
 +              die(_("Not possible to fast-forward, aborting."));
  
        /* We are going to make a new commit. */
        git_committer_info(IDENT_ERROR_ON_NO_NAME);
        for (i = 0; i < use_strategies_nr; i++) {
                int ret;
                if (i) {
 -                      printf("Rewinding the tree to pristine...\n");
 +                      printf(_("Rewinding the tree to pristine...\n"));
                        restore_state();
                }
                if (use_strategies_nr != 1)
 -                      printf("Trying merge strategy %s...\n",
 +                      printf(_("Trying merge strategy %s...\n"),
                                use_strategies[i]->name);
                /*
                 * Remember which strategy left the state in the working
                restore_state();
                if (use_strategies_nr > 1)
                        fprintf(stderr,
 -                              "No merge strategy handled the merge.\n");
 +                              _("No merge strategy handled the merge.\n"));
                else
 -                      fprintf(stderr, "Merge with strategy %s failed.\n",
 +                      fprintf(stderr, _("Merge with strategy %s failed.\n"),
                                use_strategies[0]->name);
                return 2;
        } else if (best_strategy == wt_strategy)
                ; /* We already have its result in the working tree. */
        else {
 -              printf("Rewinding the tree to pristine...\n");
 +              printf(_("Rewinding the tree to pristine...\n"));
                restore_state();
 -              printf("Using the %s to prepare resolving by hand.\n",
 +              printf(_("Using the %s to prepare resolving by hand.\n"),
                        best_strategy);
                try_merge_strategy(best_strategy, common, head_arg);
        }
                                sha1_to_hex(j->item->object.sha1));
                fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666);
                if (fd < 0)
 -                      die_errno("Could not open '%s' for writing",
 +                      die_errno(_("Could not open '%s' for writing"),
                                  git_path("MERGE_HEAD"));
                if (write_in_full(fd, buf.buf, buf.len) != buf.len)
 -                      die_errno("Could not write to '%s'", git_path("MERGE_HEAD"));
 +                      die_errno(_("Could not write to '%s'"), git_path("MERGE_HEAD"));
                close(fd);
                strbuf_addch(&merge_msg, '\n');
 -              fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
 -              if (fd < 0)
 -                      die_errno("Could not open '%s' for writing",
 -                                git_path("MERGE_MSG"));
 -              if (write_in_full(fd, merge_msg.buf, merge_msg.len) !=
 -                      merge_msg.len)
 -                      die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
 -              close(fd);
 +              write_merge_msg();
                fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
                if (fd < 0)
 -                      die_errno("Could not open '%s' for writing",
 +                      die_errno(_("Could not open '%s' for writing"),
                                  git_path("MERGE_MODE"));
                strbuf_reset(&buf);
                if (!allow_fast_forward)
                        strbuf_addf(&buf, "no-ff");
                if (write_in_full(fd, buf.buf, buf.len) != buf.len)
 -                      die_errno("Could not write to '%s'", git_path("MERGE_MODE"));
 +                      die_errno(_("Could not write to '%s'"), git_path("MERGE_MODE"));
                close(fd);
        }
  
        if (merge_was_ok) {
 -              fprintf(stderr, "Automatic merge went well; "
 -                      "stopped before committing as requested\n");
 +              fprintf(stderr, _("Automatic merge went well; "
 +                      "stopped before committing as requested\n"));
                return 0;
        } else
                return suggest_conflicts(option_renormalize);