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completion: introduce __git_find_subcommand

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Let's have a function to get the current subcommand when completing
commands that follow the syntax:

    git <command> <subcommand>

As a convenience, let's allow an optional "default subcommand" to be
returned if none is found.

Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Rubén Justo 2024-03-02 16:51:08 +01:00 committed by Junio C Hamano
parent c689c38bc2
commit 3fec482b5f
1 changed files with 20 additions and 0 deletions
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20
contrib/completion/git-completion.bash
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@ -554,6 +554,26 @@ __gitcomp_file ()
true
}
# Find the current subcommand for commands that follow the syntax:
#
# git <command> <subcommand>
#
# 1: List of possible subcommands.
# 2: Optional subcommand to return when none is found.
__git_find_subcommand ()
{
local subcommand subcommands="$1" default_subcommand="$2"
for subcommand in $subcommands; do
if [ "$subcommand" = "${words[__git_cmd_idx+1]}" ]; then
echo $subcommand
return
fi
done
echo $default_subcommand
}
# Execute 'git ls-files', unless the --committable option is specified, in
# which case it runs 'git diff-index' to find out the files that can be
# committed. It return paths relative to the directory specified in the first