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completion: add a GIT_COMPLETION_SHOW_ALL_COMMANDS

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Add a GIT_COMPLETION_SHOW_ALL_COMMANDS=1 configuration setting to go
with the existing GIT_COMPLETION_SHOW_ALL=1 added in
c099f579b9 (completion: add GIT_COMPLETION_SHOW_ALL env var,
2020-08-19).

This will include plumbing commands such as "cat-file" in "git <TAB>"
and "git c<TAB>" completion. Without/with this I have 134 and 243
completion with git <TAB>, respectively.

It was already possible to do this by tweaking
GIT_TESTING_PORCELAIN_COMMAND_LIST= from the outside, that testing
variable was added in 84a9713106 (completion: let git provide the
completable command list, 2018-05-20). Doing this before loading
git-completion.bash worked:

    export GIT_TESTING_PORCELAIN_COMMAND_LIST="$(git --list-cmds=builtins,main,list-mainporcelain,others,nohelpers,alias,list-complete,config)"

But such testing variables are not meant to be used from the outside,
and we make no guarantees that those internal won't change. So let's
expose this as a dedicated configuration knob.

It would be better to teach --list-cmds=* a new category which would
include all of these groups, but that's a larger change that we can
leave for some other time.

1. https://lore.kernel.org/git/CAGP6POJ9gwp+t-eP3TPkivBLLbNb2+qj=61Mehcj=1BgrVOSLA@mail.gmail.com/

Reported-by: Hongyi Zhao <hongyi.zhao@gmail.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2022-02-02 12:15:10 +01:00 committed by Junio C Hamano
parent 59d9442f28
commit d9f88dd8bb
2 changed files with 43 additions and 1 deletions
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13
contrib/completion/git-completion.bash
View file

@ -49,6 +49,11 @@
# and git-switch completion (e.g., completing "foo" when "origin/foo"
# exists).
#
# GIT_COMPLETION_SHOW_ALL_COMMANDS
#
# When set to "1" suggest all commands, including plumbing commands
# which are hidden by default (e.g. "cat-file" on "git ca<TAB>").
#
# GIT_COMPLETION_SHOW_ALL
#
# When set to "1" suggest all options, including options which are
@ -3455,7 +3460,13 @@ __git_main ()
then
__gitcomp "$GIT_TESTING_PORCELAIN_COMMAND_LIST"
else
__gitcomp "$(__git --list-cmds=list-mainporcelain,others,nohelpers,alias,list-complete,config)"
local list_cmds=list-mainporcelain,others,nohelpers,alias,list-complete,config
if test "${GIT_COMPLETION_SHOW_ALL_COMMANDS-}" = "1"
then
list_cmds=builtins,$list_cmds
fi
__gitcomp "$(__git --list-cmds=$list_cmds)"
fi
;;
esac

31
t/t9902-completion.sh
View file

@ -2440,6 +2440,37 @@ test_expect_success 'option aliases are shown with GIT_COMPLETION_SHOW_ALL' '
)
'
test_expect_success 'plumbing commands are excluded without GIT_COMPLETION_SHOW_ALL_COMMANDS' '
(
. "$GIT_BUILD_DIR/contrib/completion/git-completion.bash" &&
sane_unset GIT_TESTING_PORCELAIN_COMMAND_LIST &&
# Just mainporcelain, not plumbing commands
run_completion "git c" &&
grep checkout out &&
! grep cat-file out
)
'
test_expect_success 'all commands are shown with GIT_COMPLETION_SHOW_ALL_COMMANDS (also main non-builtin)' '
(
. "$GIT_BUILD_DIR/contrib/completion/git-completion.bash" &&
GIT_COMPLETION_SHOW_ALL_COMMANDS=1 &&
export GIT_COMPLETION_SHOW_ALL_COMMANDS &&
sane_unset GIT_TESTING_PORCELAIN_COMMAND_LIST &&
# Both mainporcelain and plumbing commands
run_completion "git c" &&
grep checkout out &&
grep cat-file out &&
# Check "gitk", a "main" command, but not a built-in + more plumbing
run_completion "git g" &&
grep gitk out &&
grep get-tar-commit-id out
)
'
test_expect_success '__git_complete' '
unset -f __git_wrap__git_main &&