mergetool: honor -O<orderfile>

Teach mergetool to pass "-O<orderfile>" down to `git diff` when specified on the command-line. Helped-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: David Aguilar <davvid@gmail.com> Reviewed-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>

David Aguilar committed Oct 7, 2016 at 17:01 UTC 654311bf6ee0fbf530c088271c2c76d46f31f82d
3 files changed +40 -6
Documentation/git-mergetool.txt
+6 -4
@@ -79,10 +79,12 @@ success of the resolution after the custom tool has exited.
79 Prompt before each invocation of the merge resolution program
80 to give the user a chance to skip the path.
81
82 -DIFF ORDER FILES
83 -----------------
84 -`git mergetool` honors the `diff.orderFile` configuration variable
85 -used by `git diff`. See linkgit:git-config[1] for more details.
82 +-O<orderfile>::
83 + Process files in the order specified in the
84 + <orderfile>, which has one shell glob pattern per line.
85 + This overrides the `diff.orderFile` configuration variable
86 + (see linkgit:git-config[1]). To cancel `diff.orderFile`,
87 + use `-O/dev/null`.
88
89 TEMPORARY FILES
90 ---------------
git-mergetool.sh
+7 -2
@@ -9,7 +9,7 @@
9 # at the discretion of Junio C Hamano.
10 #
11
12 -USAGE='[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [file to merge] ...'
12 +USAGE='[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [-O<orderfile>] [file to merge] ...'
13 SUBDIRECTORY_OK=Yes
14 NONGIT_OK=Yes
15 OPTIONS_SPEC=
@@ -390,6 +390,7 @@ print_noop_and_exit () {
390 main () {
391 prompt=$(git config --bool mergetool.prompt)
392 guessed_merge_tool=false
393 + orderfile=
394
395 while test $# != 0
396 do
@@ -419,6 +420,9 @@ main () {
420 --prompt)
421 prompt=true
422 ;;
423 + -O*)
424 + orderfile="$1"
425 + ;;
426 --)
427 shift
428 break
@@ -460,7 +464,8 @@ main () {
464 fi
465
466 files=$(git -c core.quotePath=false \
463 - diff --name-only --diff-filter=U -- "$@")
467 + diff --name-only --diff-filter=U \
468 + ${orderfile:+"$orderfile"} -- "$@")
469
470 cd_to_toplevel
471
t/t7610-mergetool.sh
+27
@@ -638,5 +638,32 @@ test_expect_success 'diff.orderFile configuration is honored' '
638 test_cmp expect actual &&
639 git reset --hard >/dev/null
640 '
641 +test_expect_success 'mergetool -Oorder-file is honored' '
642 + test_config diff.orderFile order-file &&
643 + test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
644 + test_config mergetool.myecho.trustExitCode true &&
645 + test_must_fail git merge order-file-side1 &&
646 + cat >expect <<-\EOF &&
647 + Merging:
648 + a
649 + b
650 + EOF
651 + git mergetool -O/dev/null --no-prompt --tool myecho >output &&
652 + git grep --no-index -h -A2 Merging: output >actual &&
653 + test_cmp expect actual &&
654 + git reset --hard >/dev/null 2>&1 &&
655 +
656 + git config --unset diff.orderFile &&
657 + test_must_fail git merge order-file-side1 &&
658 + cat >expect <<-\EOF &&
659 + Merging:
660 + b
661 + a
662 + EOF
663 + git mergetool -Oorder-file --no-prompt --tool myecho >output &&
664 + git grep --no-index -h -A2 Merging: output >actual &&
665 + test_cmp expect actual &&
666 + git reset --hard >/dev/null 2>&1
667 +'
668
669 test_done