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completion: bash: support recursive aliases

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It is possible to have recursive aliases like:

  l = log --oneline
  lg = l --graph

So the completion should detect such aliases as well.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2020-11-09 20:03:42 -06:00 committed by Junio C Hamano
parent e4d83eee92
commit 9414938c34
2 changed files with 50 additions and 19 deletions
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50
contrib/completion/git-completion.bash
View file

@ -1120,26 +1120,38 @@ __git_pretty_aliases ()
# __git_aliased_command requires 1 argument
__git_aliased_command ()
{
local word cmdline=$(__git config --get "alias.$1")
for word in $cmdline; do
case "$word" in
\!gitk|gitk)
echo "gitk"
return
;;
\!*) : shell command alias ;;
-*) : option ;;
*=*) : setting env ;;
git) : git itself ;;
\(\)) : skip parens of shell function definition ;;
{) : skip start of shell helper function ;;
:) : skip null command ;;
\'*) : skip opening quote after sh -c ;;
*)
echo "$word"
return
esac
local cur=$1 last word cmdline
while [[ -n "$cur" ]]; do
cmdline=$(__git config --get "alias.$cur")
last=$cur
cur=
for word in $cmdline; do
case "$word" in
\!gitk|gitk)
cur="gitk"
break
;;
\!*) : shell command alias ;;
-*) : option ;;
*=*) : setting env ;;
git) : git itself ;;
\(\)) : skip parens of shell function definition ;;
{) : skip start of shell helper function ;;
:) : skip null command ;;
\'*) : skip opening quote after sh -c ;;
*)
cur="$word"
break
esac
done
done
cur=$last
if [[ "$cur" != "$1" ]]; then
echo "$cur"
fi
}
# Check whether one of the given words is present on the command line,

19
t/t9902-completion.sh
View file

@ -2195,6 +2195,25 @@ test_expect_success 'complete files' '
test_completion "git add mom" "momified"
'
test_expect_success "simple alias" '
test_config alias.co checkout &&
test_completion "git co m" <<-\EOF
master Z
mybranch Z
mytag Z
EOF
'
test_expect_success "recursive alias" '
test_config alias.co checkout &&
test_config alias.cod "co --detached" &&
test_completion "git cod m" <<-\EOF
master Z
mybranch Z
mytag Z
EOF
'
test_expect_success "completion uses <cmd> completion for alias: !sh -c 'git <cmd> ...'" '
test_config alias.co "!sh -c '"'"'git checkout ...'"'"'" &&
test_completion "git co m" <<-\EOF