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From: Jonatan Holmgren <jonatan@jontes•page>
To: git@vger•kernel.org
Cc: peff@peff•net, gitster@pobox•com,
	"D . Ben Knoble" <benknoble@gmail•com>,
	"brian m . carlson" <sandals@crustytoothpaste•net>,
	Jonatan Holmgren <jonatan@jontes•page>
Subject: [PATCH v7 4/4] completion: fix zsh alias listing for subsection aliases
Date: Wed, 18 Feb 2026 22:57:37 +0100	[thread overview]
Message-ID: <20260218215737.1181147-5-jonatan@jontes.page> (raw)
In-Reply-To: <20260218215737.1181147-1-jonatan@jontes.page>

The zsh completion function __git_zsh_cmd_alias() uses 'git config
--get-regexp' to enumerate aliases and then strips the "alias." prefix
from each key. For subsection-style aliases (alias.name.command), this
leaves "name.command" as the completion candidate instead of just
"name".

The bash completion does not have this problem because it goes through
'git --list-cmds=alias', which calls list_aliases() in C and already
handles both alias syntaxes correctly. However, zsh needs both the
alias name and its value for descriptive completion, which
--list-cmds=alias does not provide.

Add a hidden --aliases-for-completion option to 'git help', following
the existing --config-for-completion pattern. It outputs NUL-separated
"name\nvalue" pairs using list_aliases(), which correctly resolves both
the traditional (alias.name) and subsection (alias.name.command)
formats. Update __git_zsh_cmd_alias() to use it.

Signed-off-by: Jonatan Holmgren <jonatan@jontes•page>
---
 builtin/help.c                        | 13 +++++++++++++
 contrib/completion/git-completion.zsh |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/builtin/help.c b/builtin/help.c
index c09cbc8912..86a3d03a9b 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -54,6 +54,7 @@ static enum help_action {
 	HELP_ACTION_DEVELOPER_INTERFACES,
 	HELP_ACTION_CONFIG_FOR_COMPLETION,
 	HELP_ACTION_CONFIG_SECTIONS_FOR_COMPLETION,
+	HELP_ACTION_ALIASES_FOR_COMPLETION,
 } cmd_mode;
 
 static char *html_path;
@@ -90,6 +91,8 @@ static struct option builtin_help_options[] = {
 		    HELP_ACTION_CONFIG_FOR_COMPLETION, PARSE_OPT_HIDDEN),
 	OPT_CMDMODE_F(0, "config-sections-for-completion", &cmd_mode, "",
 		    HELP_ACTION_CONFIG_SECTIONS_FOR_COMPLETION, PARSE_OPT_HIDDEN),
+	OPT_CMDMODE_F(0, "aliases-for-completion", &cmd_mode, "",
+		    HELP_ACTION_ALIASES_FOR_COMPLETION, PARSE_OPT_HIDDEN),
 
 	OPT_END(),
 };
@@ -691,6 +694,16 @@ int cmd_help(int argc,
 			       help_format);
 		list_config_help(SHOW_CONFIG_SECTIONS);
 		return 0;
+	case HELP_ACTION_ALIASES_FOR_COMPLETION: {
+		struct string_list alias_list = STRING_LIST_INIT_DUP;
+		opt_mode_usage(argc, "--aliases-for-completion", help_format);
+		list_aliases(&alias_list);
+		for (size_t i = 0; i < alias_list.nr; i++)
+			printf("%s%c%s%c", alias_list.items[i].string, '\n',
+			       (char *)alias_list.items[i].util, '\0');
+		string_list_clear(&alias_list, 1);
+		return 0;
+	}
 	case HELP_ACTION_CONFIG:
 		opt_mode_usage(argc, "--config", help_format);
 		setup_pager(the_repository);
diff --git a/contrib/completion/git-completion.zsh b/contrib/completion/git-completion.zsh
index f5877bd7a1..c32186a977 100644
--- a/contrib/completion/git-completion.zsh
+++ b/contrib/completion/git-completion.zsh
@@ -202,7 +202,7 @@ __git_zsh_cmd_common ()
 __git_zsh_cmd_alias ()
 {
 	local -a list
-	list=(${${(0)"$(git config -z --get-regexp '^alias\.*')"}#alias.})
+	list=(${(0)"$(git help --aliases-for-completion)"})
 	list=(${(f)"$(printf "%s:alias for '%s'\n" ${(f@)list})"})
 	_describe -t alias-commands 'aliases' list && _ret=0
 }
-- 
2.53.0.122.g3abf75d576


  parent reply	other threads:[~2026-02-18 21:58 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-08 15:30 [RFC] Support UTF-8 characters in Git alias names Jonatan Holmgren
2026-02-08 16:07 ` D. Ben Knoble
2026-02-08 23:21 ` brian m. carlson
2026-02-09 14:55   ` Junio C Hamano
2026-02-09 15:19     ` Jonatan Holmgren
2026-02-09 17:59       ` Junio C Hamano
2026-02-09 22:40     ` brian m. carlson
2026-02-09 23:14       ` Junio C Hamano
2026-02-10  0:45         ` Ben Knoble
2026-02-10  1:04           ` Junio C Hamano
2026-02-10  6:59             ` Jeff King
2026-02-09  7:36 ` Jeff King
2026-02-09 13:59   ` Theodore Tso
2026-02-09 22:01 ` [PATCH v1] alias: support UTF-8 characters via subsection syntax Jonatan Holmgren
2026-02-10  7:44   ` Jeff King
2026-02-10  8:30   ` Torsten Bögershausen
2026-02-10 16:35   ` Junio C Hamano
2026-02-10 18:31 ` [PATCH v2 0/2] support UTF-8 in alias names Jonatan Holmgren
2026-02-10 18:31   ` [PATCH v2 1/2] help: use list_aliases() for alias listing and lookup Jonatan Holmgren
2026-02-10 19:27     ` Junio C Hamano
2026-02-10 18:31   ` [PATCH v2 2/2] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-10 19:47     ` Junio C Hamano
2026-02-10 22:29       ` Jonatan Holmgren
2026-02-23  9:29     ` Kristoffer Haugsbakk
2026-02-23 16:07       ` Kristoffer Haugsbakk
2026-02-23 20:22         ` Junio C Hamano
2026-02-23 20:25           ` Kristoffer Haugsbakk
2026-02-24 10:27     ` Patrick Steinhardt
2026-02-10 22:27 ` [PATCH 0/3] support UTF-8 in alias names Jonatan Holmgren
2026-02-10 22:27   ` [PATCH 1/3] help: use list_aliases() for alias listing Jonatan Holmgren
2026-02-10 23:17     ` Junio C Hamano
2026-02-10 22:27   ` [PATCH 2/3] alias: prepare for subsection aliases Jonatan Holmgren
2026-02-10 22:27   ` [PATCH 3/3] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-11 21:18 ` [PATCH v4 0/3] support UTF-8 in alias names Jonatan Holmgren
2026-02-11 21:18   ` [PATCH v4 1/3] help: use list_aliases() for alias listing Jonatan Holmgren
2026-02-11 22:29     ` Junio C Hamano
2026-02-11 21:18   ` [PATCH v4 2/3] alias: prepare for subsection aliases Jonatan Holmgren
2026-02-11 21:53     ` Junio C Hamano
2026-02-11 21:18   ` [PATCH v4 3/3] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-11 22:28     ` Junio C Hamano
2026-02-12 11:16     ` Richard Kerry
2026-02-12 15:34       ` Jonatan Holmgren
2026-02-12 18:52     ` Jonatan Holmgren
2026-02-12 10:27   ` [PATCH v4 0/3] support UTF-8 in alias names Torsten Bögershausen
2026-02-12 15:35     ` Jonatan Holmgren
2026-02-16 16:15 ` [PATCH v5 0/4] support uTF-8 " Jonatan Holmgren
2026-02-16 16:15   ` [PATCH v5 1/4] help: use list_aliases() for alias listing Jonatan Holmgren
2026-02-16 16:15   ` [PATCH v5 2/4] alias: prepare for subsection aliases Jonatan Holmgren
2026-02-16 16:15   ` [PATCH v5 3/4] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-16 16:15   ` [PATCH v5 4/4] completion: fix zsh alias listing for subsection aliases Jonatan Holmgren
2026-02-16 18:32     ` D. Ben Knoble
2026-02-17 20:01     ` Junio C Hamano
2026-02-18 14:52 ` [PATCH v6 0/4] support UTF-8 in alias names Jonatan Holmgren
2026-02-18 14:52   ` [PATCH v6 1/4] help: use list_aliases() for alias listing Jonatan Holmgren
2026-02-18 14:52   ` [PATCH v6 2/4] alias: prepare for subsection aliases Jonatan Holmgren
2026-02-18 16:21     ` Kristoffer Haugsbakk
2026-02-18 14:52   ` [PATCH v6 3/4] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-18 14:52   ` [PATCH v6 4/4] completion: fix zsh alias listing for subsection aliases Jonatan Holmgren
2026-02-18 21:57 ` [PATCH v7 0/4] support UTF-8 in alias names Jonatan Holmgren
2026-02-18 21:57   ` [PATCH v7 1/4] help: use list_aliases() for alias listing Jonatan Holmgren
2026-02-24 22:19     ` Jacob Keller
2026-02-24 22:41       ` Junio C Hamano
2026-02-25 20:45         ` Junio C Hamano
2026-02-26 23:33           ` Jacob Keller
2026-02-24 22:21     ` Jacob Keller
2026-02-18 21:57   ` [PATCH v7 2/4] alias: prepare for subsection aliases Jonatan Holmgren
2026-02-18 21:57   ` [PATCH v7 3/4] alias: support non-alphanumeric names via subsection syntax Jonatan Holmgren
2026-02-24 10:55     ` Kristoffer Haugsbakk
2026-02-24 14:48       ` Jonatan Holmgren
2026-02-24 23:23         ` Kristoffer Haugsbakk
2026-02-18 21:57   ` Jonatan Holmgren [this message]
2026-02-19 18:17   ` [PATCH v7 0/4] support UTF-8 in alias names Junio C Hamano
2026-02-19 18:54     ` Jonatan Holmgren
2026-02-24 17:12 ` [PATCH 0/2] Fix small issues in alias subsection handling Jonatan Holmgren
2026-02-24 17:12   ` [PATCH 1/2] doc: fix list continuation in alias subsection example Jonatan Holmgren
2026-02-24 19:11     ` Junio C Hamano
2026-02-24 19:14       ` Kristoffer Haugsbakk
2026-02-24 20:23         ` Junio C Hamano
2026-02-24 17:12   ` [PATCH 2/2] alias: treat empty subsection [alias ""] as plain [alias] Jonatan Holmgren
2026-02-26 17:00   ` [PATCH 0/2] Fix small issues in alias subsection handling Junio C Hamano
2026-02-26 20:53 ` [PATCH v2 0/3] " Jonatan Holmgren
2026-02-26 20:53   ` [PATCH v2 1/3] doc: fix list continuation in alias subsection example Jonatan Holmgren
2026-03-03  9:41     ` Kristoffer Haugsbakk
2026-03-03 15:13       ` [PATCH v2 1/3] doc: fix list continuation in alias subsection example! Jonatan Holmgren
2026-02-26 20:53   ` [PATCH v2 2/3] alias: treat empty subsection [alias ""] as plain [alias] Jonatan Holmgren
2026-02-26 20:53   ` [PATCH v2 3/3] git, help: fix memory leaks in alias listing Jonatan Holmgren
2026-02-26 21:08   ` [PATCH v2 0/3] Fix small issues in alias subsection handling Junio C Hamano
2026-03-03 15:12 ` [PATCH] doc: fix list continuation in alias.adoc Jonatan Holmgren

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