Merge branch 'tz/notes-error-to-stderr' into maint
authorJunio C Hamano <gitster@pobox.com>
Wed, 6 Dec 2017 17:09:04 +0000 (09:09 -0800)
committerJunio C Hamano <gitster@pobox.com>
Wed, 6 Dec 2017 17:09:04 +0000 (09:09 -0800)
"git notes" sent its error message to its standard output stream,
which was corrected.

* tz/notes-error-to-stderr:
notes: send "Automatic notes merge failed" messages to stderr

1  2 
builtin/notes.c
diff --combined builtin/notes.c
index 8e54f2d14648bcf41369e71c2f7f586322c702ef,a261cf24b2756966e70e1bdde28400699388334f..e435286dd8307ad6555ad5bd8a57fe799fa200f8
@@@ -8,7 -8,6 +8,7 @@@
   */
  
  #include "cache.h"
 +#include "config.h"
  #include "builtin.h"
  #include "notes.h"
  #include "blob.h"
@@@ -110,11 -109,11 +110,11 @@@ static void free_note_data(struct note_
        strbuf_release(&d->buf);
  }
  
 -static int list_each_note(const unsigned char *object_sha1,
 -              const unsigned char *note_sha1, char *note_path,
 +static int list_each_note(const struct object_id *object_oid,
 +              const struct object_id *note_oid, char *note_path,
                void *cb_data)
  {
 -      printf("%s %s\n", sha1_to_hex(note_sha1), sha1_to_hex(object_sha1));
 +      printf("%s %s\n", oid_to_hex(note_oid), oid_to_hex(object_oid));
        return 0;
  }
  
@@@ -130,10 -129,10 +130,10 @@@ static void copy_obj_to_fd(int fd, cons
        }
  }
  
 -static void write_commented_object(int fd, const unsigned char *object)
 +static void write_commented_object(int fd, const struct object_id *object)
  {
        const char *show_args[5] =
 -              {"show", "--stat", "--no-notes", sha1_to_hex(object), NULL};
 +              {"show", "--stat", "--no-notes", oid_to_hex(object), NULL};
        struct child_process show = CHILD_PROCESS_INIT;
        struct strbuf buf = STRBUF_INIT;
        struct strbuf cbuf = STRBUF_INIT;
        show.git_cmd = 1;
        if (start_command(&show))
                die(_("unable to start 'show' for object '%s'"),
 -                  sha1_to_hex(object));
 +                  oid_to_hex(object));
  
        if (strbuf_read(&buf, show.out, 0) < 0)
                die_errno(_("could not read 'show' output"));
  
        if (finish_command(&show))
                die(_("failed to finish 'show' for object '%s'"),
 -                  sha1_to_hex(object));
 +                  oid_to_hex(object));
  }
  
 -static void prepare_note_data(const unsigned char *object, struct note_data *d,
 +static void prepare_note_data(const struct object_id *object, struct note_data *d,
                const unsigned char *old_note)
  {
        if (d->use_editor || !d->given) {
@@@ -244,16 -243,16 +244,16 @@@ static int parse_reuse_arg(const struc
  {
        struct note_data *d = opt->value;
        char *buf;
 -      unsigned char object[20];
 +      struct object_id object;
        enum object_type type;
        unsigned long len;
  
        if (d->buf.len)
                strbuf_addch(&d->buf, '\n');
  
 -      if (get_sha1(arg, object))
 +      if (get_oid(arg, &object))
                die(_("failed to resolve '%s' as a valid ref."), arg);
 -      if (!(buf = read_sha1_file(object, &type, &len))) {
 +      if (!(buf = read_sha1_file(object.hash, &type, &len))) {
                free(buf);
                die(_("failed to read object '%s'."), arg);
        }
@@@ -293,7 -292,7 +293,7 @@@ static int notes_copy_from_stdin(int fo
        }
  
        while (strbuf_getline_lf(&buf, stdin) != EOF) {
 -              unsigned char from_obj[20], to_obj[20];
 +              struct object_id from_obj, to_obj;
                struct strbuf **split;
                int err;
  
                        die(_("malformed input line: '%s'."), buf.buf);
                strbuf_rtrim(split[0]);
                strbuf_rtrim(split[1]);
 -              if (get_sha1(split[0]->buf, from_obj))
 +              if (get_oid(split[0]->buf, &from_obj))
                        die(_("failed to resolve '%s' as a valid ref."), split[0]->buf);
 -              if (get_sha1(split[1]->buf, to_obj))
 +              if (get_oid(split[1]->buf, &to_obj))
                        die(_("failed to resolve '%s' as a valid ref."), split[1]->buf);
  
                if (rewrite_cmd)
 -                      err = copy_note_for_rewrite(c, from_obj, to_obj);
 +                      err = copy_note_for_rewrite(c, &from_obj, &to_obj);
                else
 -                      err = copy_note(t, from_obj, to_obj, force,
 +                      err = copy_note(t, &from_obj, &to_obj, force,
                                        combine_notes_overwrite);
  
                if (err) {
        } else {
                finish_copy_notes_for_rewrite(c, msg);
        }
 +      strbuf_release(&buf);
        return ret;
  }
  
@@@ -342,10 -340,8 +342,10 @@@ static struct notes_tree *init_notes_ch
  
        ref = (flags & NOTES_INIT_WRITABLE) ? t->update_ref : t->ref;
        if (!starts_with(ref, "refs/notes/"))
 -              /* TRANSLATORS: the first %s will be replaced by a
 -                 git notes command: 'add', 'merge', 'remove', etc.*/
 +              /*
 +               * TRANSLATORS: the first %s will be replaced by a git
 +               * notes command: 'add', 'merge', 'remove', etc.
 +               */
                die(_("refusing to %s notes in %s (outside of refs/notes/)"),
                    subcommand, ref);
        return t;
  static int list(int argc, const char **argv, const char *prefix)
  {
        struct notes_tree *t;
 -      unsigned char object[20];
 -      const unsigned char *note;
 +      struct object_id object;
 +      const struct object_id *note;
        int retval = -1;
        struct option options[] = {
                OPT_END()
  
        t = init_notes_check("list", 0);
        if (argc) {
 -              if (get_sha1(argv[0], object))
 +              if (get_oid(argv[0], &object))
                        die(_("failed to resolve '%s' as a valid ref."), argv[0]);
 -              note = get_note(t, object);
 +              note = get_note(t, &object);
                if (note) {
 -                      puts(sha1_to_hex(note));
 +                      puts(oid_to_hex(note));
                        retval = 0;
                } else
                        retval = error(_("no note found for object %s."),
 -                                     sha1_to_hex(object));
 +                                     oid_to_hex(&object));
        } else
                retval = for_each_note(t, 0, list_each_note, NULL);
  
@@@ -395,8 -391,8 +395,8 @@@ static int add(int argc, const char **a
        int force = 0, allow_empty = 0;
        const char *object_ref;
        struct notes_tree *t;
 -      unsigned char object[20], new_note[20];
 -      const unsigned char *note;
 +      struct object_id object, new_note;
 +      const struct object_id *note;
        struct note_data d = { 0, 0, NULL, STRBUF_INIT };
        struct option options[] = {
                { OPTION_CALLBACK, 'm', "message", &d, N_("message"),
  
        object_ref = argc > 1 ? argv[1] : "HEAD";
  
 -      if (get_sha1(object_ref, object))
 +      if (get_oid(object_ref, &object))
                die(_("failed to resolve '%s' as a valid ref."), object_ref);
  
        t = init_notes_check("add", NOTES_INIT_WRITABLE);
 -      note = get_note(t, object);
 +      note = get_note(t, &object);
  
        if (note) {
                if (!force) {
                                return error(_("Cannot add notes. "
                                        "Found existing notes for object %s. "
                                        "Use '-f' to overwrite existing notes"),
 -                                      sha1_to_hex(object));
 +                                      oid_to_hex(&object));
                        }
                        /*
                         * Redirect to "edit" subcommand.
                        return append_edit(argc, argv, prefix);
                }
                fprintf(stderr, _("Overwriting existing notes for object %s\n"),
 -                      sha1_to_hex(object));
 +                      oid_to_hex(&object));
        }
  
 -      prepare_note_data(object, &d, note);
 +      prepare_note_data(&object, &d, note ? note->hash : NULL);
        if (d.buf.len || allow_empty) {
 -              write_note_data(&d, new_note);
 -              if (add_note(t, object, new_note, combine_notes_overwrite))
 +              write_note_data(&d, new_note.hash);
 +              if (add_note(t, &object, &new_note, combine_notes_overwrite))
                        die("BUG: combine_notes_overwrite failed");
                commit_notes(t, "Notes added by 'git notes add'");
        } else {
                fprintf(stderr, _("Removing note for object %s\n"),
 -                      sha1_to_hex(object));
 -              remove_note(t, object);
 +                      oid_to_hex(&object));
 +              remove_note(t, object.hash);
                commit_notes(t, "Notes removed by 'git notes add'");
        }
  
  static int copy(int argc, const char **argv, const char *prefix)
  {
        int retval = 0, force = 0, from_stdin = 0;
 -      const unsigned char *from_note, *note;
 +      const struct object_id *from_note, *note;
        const char *object_ref;
 -      unsigned char object[20], from_obj[20];
 +      struct object_id object, from_obj;
        struct notes_tree *t;
        const char *rewrite_cmd = NULL;
        struct option options[] = {
                usage_with_options(git_notes_copy_usage, options);
        }
  
 -      if (get_sha1(argv[0], from_obj))
 +      if (get_oid(argv[0], &from_obj))
                die(_("failed to resolve '%s' as a valid ref."), argv[0]);
  
        object_ref = 1 < argc ? argv[1] : "HEAD";
  
 -      if (get_sha1(object_ref, object))
 +      if (get_oid(object_ref, &object))
                die(_("failed to resolve '%s' as a valid ref."), object_ref);
  
        t = init_notes_check("copy", NOTES_INIT_WRITABLE);
 -      note = get_note(t, object);
 +      note = get_note(t, &object);
  
        if (note) {
                if (!force) {
                        retval = error(_("Cannot copy notes. Found existing "
                                       "notes for object %s. Use '-f' to "
                                       "overwrite existing notes"),
 -                                     sha1_to_hex(object));
 +                                     oid_to_hex(&object));
                        goto out;
                }
                fprintf(stderr, _("Overwriting existing notes for object %s\n"),
 -                      sha1_to_hex(object));
 +                      oid_to_hex(&object));
        }
  
 -      from_note = get_note(t, from_obj);
 +      from_note = get_note(t, &from_obj);
        if (!from_note) {
                retval = error(_("missing notes on source object %s. Cannot "
 -                             "copy."), sha1_to_hex(from_obj));
 +                             "copy."), oid_to_hex(&from_obj));
                goto out;
        }
  
 -      if (add_note(t, object, from_note, combine_notes_overwrite))
 +      if (add_note(t, &object, from_note, combine_notes_overwrite))
                die("BUG: combine_notes_overwrite failed");
        commit_notes(t, "Notes added by 'git notes copy'");
  out:
@@@ -556,9 -552,9 +556,9 @@@ static int append_edit(int argc, const 
        int allow_empty = 0;
        const char *object_ref;
        struct notes_tree *t;
 -      unsigned char object[20], new_note[20];
 -      const unsigned char *note;
 -      char logmsg[100];
 +      struct object_id object, new_note;
 +      const struct object_id *note;
 +      char *logmsg;
        const char * const *usage;
        struct note_data d = { 0, 0, NULL, STRBUF_INIT };
        struct option options[] = {
  
        object_ref = 1 < argc ? argv[1] : "HEAD";
  
 -      if (get_sha1(object_ref, object))
 +      if (get_oid(object_ref, &object))
                die(_("failed to resolve '%s' as a valid ref."), object_ref);
  
        t = init_notes_check(argv[0], NOTES_INIT_WRITABLE);
 -      note = get_note(t, object);
 +      note = get_note(t, &object);
  
 -      prepare_note_data(object, &d, edit ? note : NULL);
 +      prepare_note_data(&object, &d, edit && note ? note->hash : NULL);
  
        if (note && !edit) {
                /* Append buf to previous note contents */
                unsigned long size;
                enum object_type type;
 -              char *prev_buf = read_sha1_file(note, &type, &size);
 +              char *prev_buf = read_sha1_file(note->hash, &type, &size);
  
                strbuf_grow(&d.buf, size + 1);
                if (d.buf.len && prev_buf && size)
        }
  
        if (d.buf.len || allow_empty) {
 -              write_note_data(&d, new_note);
 -              if (add_note(t, object, new_note, combine_notes_overwrite))
 +              write_note_data(&d, new_note.hash);
 +              if (add_note(t, &object, &new_note, combine_notes_overwrite))
                        die("BUG: combine_notes_overwrite failed");
 -              snprintf(logmsg, sizeof(logmsg), "Notes added by 'git notes %s'",
 -                      argv[0]);
 +              logmsg = xstrfmt("Notes added by 'git notes %s'", argv[0]);
        } else {
                fprintf(stderr, _("Removing note for object %s\n"),
 -                      sha1_to_hex(object));
 -              remove_note(t, object);
 -              snprintf(logmsg, sizeof(logmsg), "Notes removed by 'git notes %s'",
 -                      argv[0]);
 +                      oid_to_hex(&object));
 +              remove_note(t, object.hash);
 +              logmsg = xstrfmt("Notes removed by 'git notes %s'", argv[0]);
        }
        commit_notes(t, logmsg);
  
 +      free(logmsg);
        free_note_data(&d);
        free_notes(t);
        return 0;
@@@ -641,8 -638,8 +641,8 @@@ static int show(int argc, const char **
  {
        const char *object_ref;
        struct notes_tree *t;
 -      unsigned char object[20];
 -      const unsigned char *note;
 +      struct object_id object;
 +      const struct object_id *note;
        int retval;
        struct option options[] = {
                OPT_END()
  
        object_ref = argc ? argv[0] : "HEAD";
  
 -      if (get_sha1(object_ref, object))
 +      if (get_oid(object_ref, &object))
                die(_("failed to resolve '%s' as a valid ref."), object_ref);
  
        t = init_notes_check("show", 0);
 -      note = get_note(t, object);
 +      note = get_note(t, &object);
  
        if (!note)
                retval = error(_("no note found for object %s."),
 -                             sha1_to_hex(object));
 +                             oid_to_hex(&object));
        else {
 -              const char *show_args[3] = {"show", sha1_to_hex(note), NULL};
 +              const char *show_args[3] = {"show", oid_to_hex(note), NULL};
                retval = execv_git_cmd(show_args);
        }
        free_notes(t);
@@@ -684,9 -681,9 +684,9 @@@ static int merge_abort(struct notes_mer
         * notes_merge_abort() to remove .git/NOTES_MERGE_WORKTREE.
         */
  
 -      if (delete_ref("NOTES_MERGE_PARTIAL", NULL, 0))
 +      if (delete_ref(NULL, "NOTES_MERGE_PARTIAL", NULL, 0))
                ret += error(_("failed to delete ref NOTES_MERGE_PARTIAL"));
 -      if (delete_ref("NOTES_MERGE_REF", NULL, REF_NODEREF))
 +      if (delete_ref(NULL, "NOTES_MERGE_REF", NULL, REF_NODEREF))
                ret += error(_("failed to delete ref NOTES_MERGE_REF"));
        if (notes_merge_abort(o))
                ret += error(_("failed to remove 'git notes merge' worktree"));
  static int merge_commit(struct notes_merge_options *o)
  {
        struct strbuf msg = STRBUF_INIT;
 -      unsigned char sha1[20], parent_sha1[20];
 +      struct object_id oid, parent_oid;
        struct notes_tree *t;
        struct commit *partial;
        struct pretty_print_context pretty_ctx;
         * and target notes ref from .git/NOTES_MERGE_REF.
         */
  
 -      if (get_sha1("NOTES_MERGE_PARTIAL", sha1))
 +      if (get_oid("NOTES_MERGE_PARTIAL", &oid))
                die(_("failed to read ref NOTES_MERGE_PARTIAL"));
 -      else if (!(partial = lookup_commit_reference(sha1)))
 +      else if (!(partial = lookup_commit_reference(&oid)))
                die(_("could not find commit from NOTES_MERGE_PARTIAL."));
        else if (parse_commit(partial))
                die(_("could not parse commit from NOTES_MERGE_PARTIAL."));
  
        if (partial->parents)
 -              hashcpy(parent_sha1, partial->parents->item->object.oid.hash);
 +              oidcpy(&parent_oid, &partial->parents->item->object.oid);
        else
 -              hashclr(parent_sha1);
 +              oidclr(&parent_oid);
  
        t = xcalloc(1, sizeof(struct notes_tree));
        init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0);
  
        o->local_ref = local_ref_to_free =
 -              resolve_refdup("NOTES_MERGE_REF", 0, sha1, NULL);
 +              resolve_refdup("NOTES_MERGE_REF", 0, oid.hash, NULL);
        if (!o->local_ref)
                die(_("failed to resolve NOTES_MERGE_REF"));
  
 -      if (notes_merge_commit(o, t, partial, sha1))
 +      if (notes_merge_commit(o, t, partial, &oid))
                die(_("failed to finalize notes merge"));
  
        /* Reuse existing commit message in reflog message */
        format_commit_message(partial, "%s", &msg, &pretty_ctx);
        strbuf_trim(&msg);
        strbuf_insert(&msg, 0, "notes: ", 7);
 -      update_ref(msg.buf, o->local_ref, sha1,
 -                 is_null_sha1(parent_sha1) ? NULL : parent_sha1,
 +      update_ref(msg.buf, o->local_ref, oid.hash,
 +                 is_null_oid(&parent_oid) ? NULL : parent_oid.hash,
                   0, UPDATE_REFS_DIE_ON_ERR);
  
        free_notes(t);
@@@ -764,7 -761,7 +764,7 @@@ static int git_config_get_notes_strateg
  static int merge(int argc, const char **argv, const char *prefix)
  {
        struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
 -      unsigned char result_sha1[20];
 +      struct object_id result_oid;
        struct notes_tree *t;
        struct notes_merge_options o;
        int do_merge = 0, do_commit = 0, do_abort = 0;
                    remote_ref.buf, default_notes_ref());
        strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
  
 -      result = notes_merge(&o, t, result_sha1);
 +      result = notes_merge(&o, t, &result_oid);
  
 -      if (result >= 0) /* Merge resulted (trivially) in result_sha1 */
 +      if (result >= 0) /* Merge resulted (trivially) in result_oid */
                /* Update default notes ref with new commit */
 -              update_ref(msg.buf, default_notes_ref(), result_sha1, NULL,
 +              update_ref(msg.buf, default_notes_ref(), result_oid.hash, NULL,
                           0, UPDATE_REFS_DIE_ON_ERR);
        else { /* Merge has unresolved conflicts */
                const struct worktree *wt;
                /* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
 -              update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_sha1, NULL,
 +              update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_oid.hash, NULL,
                           0, UPDATE_REFS_DIE_ON_ERR);
                /* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
                wt = find_shared_symref("NOTES_MERGE_REF", default_notes_ref());
                if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
                        die(_("failed to store link to current notes ref (%s)"),
                            default_notes_ref());
-               printf(_("Automatic notes merge failed. Fix conflicts in %s and "
-                        "commit the result with 'git notes merge --commit', or "
-                        "abort the merge with 'git notes merge --abort'.\n"),
-                      git_path(NOTES_MERGE_WORKTREE));
+               fprintf(stderr, _("Automatic notes merge failed. Fix conflicts in %s "
+                                 "and commit the result with 'git notes merge --commit', "
+                                 "or abort the merge with 'git notes merge --abort'.\n"),
+                       git_path(NOTES_MERGE_WORKTREE));
        }
  
        free_notes(t);
  static int remove_one_note(struct notes_tree *t, const char *name, unsigned flag)
  {
        int status;
 -      unsigned char sha1[20];
 -      if (get_sha1(name, sha1))
 +      struct object_id oid;
 +      if (get_oid(name, &oid))
                return error(_("Failed to resolve '%s' as a valid ref."), name);
 -      status = remove_note(t, sha1);
 +      status = remove_note(t, oid.hash);
        if (status)
                fprintf(stderr, _("Object %s has no note\n"), name);
        else