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git-completion.bash: pass $__git_subcommand_idx from __git_main()

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Many completion functions perform hardcoded comparisons with $cword.
This fails in the case where the main git command is given arguments
(e.g. `git -C . bundle<TAB>` would fail to complete its subcommands).

Even _git_worktree(), which uses __git_find_on_cmdline(), could still
fail. With something like `git -C add worktree move<TAB>`, the
subcommand would be incorrectly identified as "add" instead of "move".

Assign $__git_subcommand_idx in __git_main(), where the git subcommand
is actually found and the corresponding completion function is called.
Use this variable to replace hardcoded comparisons with $cword.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Denton Liu 2021-03-24 01:36:27 -07:00 committed by Junio C Hamano
parent a5828ae6b5
commit e94fb44042
1 changed files with 11 additions and 12 deletions
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23
contrib/completion/git-completion.bash
View file

@ -1474,12 +1474,12 @@ _git_branch ()
_git_bundle ()
{
local cmd="${words[2]}"
local cmd="${words[__git_subcommand_idx+1]}"
case "$cword" in
2)
$((__git_subcommand_idx+1)))
__gitcomp "create list-heads verify unbundle"
;;
3)
$((__git_subcommand_idx+2)))
# looking for a file
;;
*)
@ -1894,7 +1894,7 @@ _git_grep ()
esac
case "$cword,$prev" in
2,*|*,-*)
$((__git_subcommand_idx+1)),*|*,-*)
__git_complete_symbol && return
;;
esac
@ -3058,7 +3058,7 @@ _git_stash ()
branch,--*)
;;
branch,*)
if [ $cword -eq 3 ]; then
if [ $cword -eq $((__git_subcommand_idx+2)) ]; then
__git_complete_refs
else
__gitcomp_nl "$(__git stash list \
@ -3277,11 +3277,9 @@ __git_complete_worktree_paths ()
_git_worktree ()
{
local subcommands="add list lock move prune remove unlock"
local subcommand subcommand_idx
local subcommand
subcommand="$(__git_find_on_cmdline --show-idx "$subcommands")"
subcommand_idx="${subcommand% *}"
subcommand="${subcommand#* }"
subcommand="$(__git_find_on_cmdline "$subcommands")"
case "$subcommand,$cur" in
,*)
@ -3306,7 +3304,7 @@ _git_worktree ()
# be either the 'add' subcommand, the unstuck
# argument of an option (e.g. branch for -b|-B), or
# the path for the new worktree.
if [ $cword -eq $((subcommand_idx+1)) ]; then
if [ $cword -eq $((__git_subcommand_idx+2)) ]; then
# Right after the 'add' subcommand: have to
# complete the path, so fall back to Bash
# filename completion.
@ -3330,7 +3328,7 @@ _git_worktree ()
__git_complete_worktree_paths
;;
move,*)
if [ $cword -eq $((subcommand_idx+1)) ]; then
if [ $cword -eq $((__git_subcommand_idx+2)) ]; then
# The first parameter must be an existing working
# tree to be moved.
__git_complete_worktree_paths
@ -3398,6 +3396,7 @@ __git_main ()
{
local i c=1 command __git_dir __git_repo_path
local __git_C_args C_args_count=0
local __git_subcommand_idx
while [ $c -lt $cword ]; do
i="${words[c]}"
@ -3412,7 +3411,7 @@ __git_main ()
__git_C_args[C_args_count++]="${words[c]}"
;;
-*) ;;
*) command="$i"; break ;;
*) command="$i"; __git_subcommand_idx="$c"; break ;;
esac
((c++))
done