completion: bash: fix for suboptions with value

We need to ignore options that don't start with -- as well. Depending on the value of COMP_WORDBREAKS the last word could be duplicated otherwise. Can be tested with: git merge -X diff-algorithm=<tab> Tested-by: David Aguilar <davvid@gmail.com> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Felipe Contreras committed Aug 16, 2021 at 04:10 UTC e9f2118ddfad4ae5e37adc7637acc9daf4ac8c9c
2 files changed +16 -1
contrib/completion/git-completion.bash
+1 -1
@@ -356,7 +356,7 @@ __gitcomp ()
356 local cur_="${3-$cur}"
357
358 case "$cur_" in
359 - --*=)
359 + *=)
360 ;;
361 --no-*)
362 local c i=0 IFS=$' \t\n'
t/t9902-completion.sh
+15
@@ -540,6 +540,15 @@ test_expect_success '__gitcomp - expand/narrow all negative options' '
540 EOF
541 '
542
543 +test_expect_success '__gitcomp - equal skip' '
544 + test_gitcomp "--option=" "--option=" <<-\EOF &&
545 +
546 + EOF
547 + test_gitcomp "option=" "option=" <<-\EOF
548 +
549 + EOF
550 +'
551 +
552 test_expect_success '__gitcomp - doesnt fail because of invalid variable name' '
553 __gitcomp "$invalid_variable_name"
554 '
@@ -2380,6 +2389,12 @@ test_expect_success 'git clone --config= - value' '
2389 EOF
2390 '
2391
2392 +test_expect_success 'options with value' '
2393 + test_completion "git merge -X diff-algorithm=" <<-\EOF
2394 +
2395 + EOF
2396 +'
2397 +
2398 test_expect_success 'sourcing the completion script clears cached commands' '
2399 __git_compute_all_commands &&
2400 verbose test -n "$__git_all_commands" &&