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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> Signed-off-by: Junio C Hamano <gitster@pobox.com>