diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt index 88620429eacf857c7ba7941314c9b443b35b58ce..ec4f6ae6585bac4b107134e52f544d53c24cdf86 100644 --- a/Documentation/config/advice.txt +++ b/Documentation/config/advice.txt @@ -90,4 +90,6 @@ advice.*:: waitingForEditor:: Print a message to the terminal whenever Git is waiting for editor input from the user. + nestedTag:: + Advice shown if a user attempts to recursively tag a tag object. -- diff --git a/advice.c b/advice.c index 567209aa79afee0443dd0d7049343e1a004ae784..ce5f374ecd4917346145c8a380ac8c0e45e849a4 100644 --- a/advice.c +++ b/advice.c @@ -26,6 +26,7 @@ int advice_ignored_hook = 1; int advice_waiting_for_editor = 1; int advice_graft_file_deprecated = 1; int advice_checkout_ambiguous_remote_branch_name = 1; +int advice_nested_tag = 1; static int advice_use_color = -1; static char advice_colors[][COLOR_MAXLEN] = { @@ -81,6 +82,7 @@ static struct { { "waitingForEditor", &advice_waiting_for_editor }, { "graftFileDeprecated", &advice_graft_file_deprecated }, { "checkoutAmbiguousRemoteBranchName", &advice_checkout_ambiguous_remote_branch_name }, + { "nestedTag", &advice_nested_tag }, /* make this an alias for backward compatibility */ { "pushNonFastForward", &advice_push_update_rejected } diff --git a/advice.h b/advice.h index f875f8cd8da5fdb6e570770ecc7ab4461745f827..cb5d36161453dc4c3a8de8e6afd3b3ac28394eaa 100644 --- a/advice.h +++ b/advice.h @@ -26,6 +26,7 @@ extern int advice_ignored_hook; extern int advice_waiting_for_editor; extern int advice_graft_file_deprecated; extern int advice_checkout_ambiguous_remote_branch_name; +extern int advice_nested_tag; int git_default_advice_config(const char *var, const char *value); __attribute__((format (printf, 1, 2))) diff --git a/builtin/tag.c b/builtin/tag.c index faae364e0f52b38c9dd54f8a94b55688b1c86339..32948fade05c75d7f923ca0b17e93ef0ef714e1a 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -206,7 +206,14 @@ struct create_tag_options { } cleanup_mode; }; -static void create_tag(const struct object_id *object, const char *tag, +static const char message_advice_nested_tag[] = + N_("You have created a nested tag. The object referred to by your new is\n" + "already a tag. If you meant to tag the object that it points to, use:\n" + "\n" + "\tgit tag -f %s %s^{}"); + +static void create_tag(const struct object_id *object, const char *object_ref, + const char *tag, struct strbuf *buf, struct create_tag_options *opt, struct object_id *prev, struct object_id *result) { @@ -218,6 +225,9 @@ static void create_tag(const struct object_id *object, const char *tag, if (type <= OBJ_NONE) die(_("bad object type.")); + if (type == OBJ_TAG && advice_nested_tag) + advise(_(message_advice_nested_tag), tag, object_ref); + strbuf_addf(&header, "object %s\n" "type %s\n" @@ -551,7 +561,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) if (create_tag_object) { if (force_sign_annotate && !annotate) opt.sign = 1; - create_tag(&object, tag, &buf, &opt, &prev, &object); + create_tag(&object, object_ref, tag, &buf, &opt, &prev, &object); } transaction = ref_transaction_begin(&err); diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index 0b01862c23aa182ee4ae7ce2944a40b4449d6049..e285686662df781c87d59c910aa9d596eb974c34 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -1700,6 +1700,17 @@ test_expect_success '--points-at finds annotated tags of tags' ' test_cmp expect actual ' +test_expect_success 'recursive tagging should give advice' ' + sed -e "s/|$//" <<-EOF >expect && + hint: You have created a nested tag. The object referred to by your new is + hint: already a tag. If you meant to tag the object that it points to, use: + hint: | + hint: git tag -f nested annotated-v4.0^{} + EOF + git tag -m nested nested annotated-v4.0 2>actual && + test_i18ncmp expect actual +' + test_expect_success 'multiple --points-at are OR-ed together' ' cat >expect <<-\EOF && v2.0