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-rwxr-xr-xt/t7610-mergetool.sh721
1 files changed, 721 insertions, 0 deletions
diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh
new file mode 100755
index 0000000000..1a430b9c40
--- /dev/null
+++ b/t/t7610-mergetool.sh
@@ -0,0 +1,721 @@
+#!/bin/sh
+#
+# Copyright (c) 2008 Charles Bailey
+#
+
+test_description='git mergetool
+
+Testing basic merge tool invocation'
+
+. ./test-lib.sh
+
+# All the mergetool test work by checking out a temporary branch based
+# off 'branch1' and then merging in master and checking the results of
+# running mergetool
+
+test_expect_success 'setup' '
+ test_config rerere.enabled true &&
+ echo master >file1 &&
+ echo master spaced >"spaced name" &&
+ echo master file11 >file11 &&
+ echo master file12 >file12 &&
+ echo master file13 >file13 &&
+ echo master file14 >file14 &&
+ mkdir subdir &&
+ echo master sub >subdir/file3 &&
+ test_create_repo submod &&
+ (
+ cd submod &&
+ : >foo &&
+ git add foo &&
+ git commit -m "Add foo"
+ ) &&
+ git submodule add git://example.com/submod submod &&
+ git add file1 "spaced name" file1[1-4] subdir/file3 .gitmodules submod &&
+ git commit -m "add initial versions" &&
+
+ git checkout -b branch1 master &&
+ git submodule update -N &&
+ echo branch1 change >file1 &&
+ echo branch1 newfile >file2 &&
+ echo branch1 spaced >"spaced name" &&
+ echo branch1 both added >both &&
+ echo branch1 change file11 >file11 &&
+ echo branch1 change file13 >file13 &&
+ echo branch1 sub >subdir/file3 &&
+ (
+ cd submod &&
+ echo branch1 submodule >bar &&
+ git add bar &&
+ git commit -m "Add bar on branch1" &&
+ git checkout -b submod-branch1
+ ) &&
+ git add file1 "spaced name" file11 file13 file2 subdir/file3 submod &&
+ git add both &&
+ git rm file12 &&
+ git commit -m "branch1 changes" &&
+
+ git checkout -b delete-base branch1 &&
+ mkdir -p a/a &&
+ (echo one; echo two; echo 3; echo 4) >a/a/file.txt &&
+ git add a/a/file.txt &&
+ git commit -m"base file" &&
+ git checkout -b move-to-b delete-base &&
+ mkdir -p b/b &&
+ git mv a/a/file.txt b/b/file.txt &&
+ (echo one; echo two; echo 4) >b/b/file.txt &&
+ git commit -a -m"move to b" &&
+ git checkout -b move-to-c delete-base &&
+ mkdir -p c/c &&
+ git mv a/a/file.txt c/c/file.txt &&
+ (echo one; echo two; echo 3) >c/c/file.txt &&
+ git commit -a -m"move to c" &&
+
+ git checkout -b stash1 master &&
+ echo stash1 change file11 >file11 &&
+ git add file11 &&
+ git commit -m "stash1 changes" &&
+
+ git checkout -b stash2 master &&
+ echo stash2 change file11 >file11 &&
+ git add file11 &&
+ git commit -m "stash2 changes" &&
+
+ git checkout master &&
+ git submodule update -N &&
+ echo master updated >file1 &&
+ echo master new >file2 &&
+ echo master updated spaced >"spaced name" &&
+ echo master both added >both &&
+ echo master updated file12 >file12 &&
+ echo master updated file14 >file14 &&
+ echo master new sub >subdir/file3 &&
+ (
+ cd submod &&
+ echo master submodule >bar &&
+ git add bar &&
+ git commit -m "Add bar on master" &&
+ git checkout -b submod-master
+ ) &&
+ git add file1 "spaced name" file12 file14 file2 subdir/file3 submod &&
+ git add both &&
+ git rm file11 &&
+ git commit -m "master updates" &&
+
+ git clean -fdx &&
+ git checkout -b order-file-start master &&
+ echo start >a &&
+ echo start >b &&
+ git add a b &&
+ git commit -m start &&
+ git checkout -b order-file-side1 order-file-start &&
+ echo side1 >a &&
+ echo side1 >b &&
+ git add a b &&
+ git commit -m side1 &&
+ git checkout -b order-file-side2 order-file-start &&
+ echo side2 >a &&
+ echo side2 >b &&
+ git add a b &&
+ git commit -m side2 &&
+
+ git config merge.tool mytool &&
+ git config mergetool.mytool.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
+ git config mergetool.mytool.trustExitCode true &&
+ git config mergetool.mybase.cmd "cat \"\$BASE\" >\"\$MERGED\"" &&
+ git config mergetool.mybase.trustExitCode true
+'
+
+test_expect_success 'custom mergetool' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ test_must_fail git merge master >/dev/null 2>&1 &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool file1 file1 ) &&
+ ( yes "" | git mergetool file2 "spaced name" >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
+ test "$(cat file1)" = "master updated" &&
+ test "$(cat file2)" = "master new" &&
+ test "$(cat subdir/file3)" = "master new sub" &&
+ test "$(cat submod/bar)" = "branch1 submodule" &&
+ git commit -m "branch1 resolved with mergetool"
+'
+
+test_expect_success 'mergetool crlf' '
+ test_when_finished "git reset --hard" &&
+ # This test_config line must go after the above reset line so that
+ # core.autocrlf is unconfigured before reset runs. (The
+ # test_config command uses test_when_finished internally and
+ # test_when_finished is LIFO.)
+ test_config core.autocrlf true &&
+ git checkout -b test$test_count branch1 &&
+ test_must_fail git merge master >/dev/null 2>&1 &&
+ ( yes "" | git mergetool file1 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool file2 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool "spaced name" >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod >/dev/null 2>&1 ) &&
+ test "$(printf x | cat file1 -)" = "$(printf "master updated\r\nx")" &&
+ test "$(printf x | cat file2 -)" = "$(printf "master new\r\nx")" &&
+ test "$(printf x | cat subdir/file3 -)" = "$(printf "master new sub\r\nx")" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ git commit -m "branch1 resolved with mergetool - autocrlf"
+'
+
+test_expect_success 'mergetool in subdir' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ (
+ cd subdir &&
+ test_must_fail git merge master >/dev/null 2>&1 &&
+ ( yes "" | git mergetool file3 >/dev/null 2>&1 ) &&
+ test "$(cat file3)" = "master new sub"
+ )
+'
+
+test_expect_success 'mergetool on file in parent dir' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ (
+ cd subdir &&
+ test_must_fail git merge master >/dev/null 2>&1 &&
+ ( yes "" | git mergetool file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool ../file1 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool ../file2 ../spaced\ name >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool ../both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool ../file11 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool ../file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool ../submod >/dev/null 2>&1 ) &&
+ test "$(cat ../file1)" = "master updated" &&
+ test "$(cat ../file2)" = "master new" &&
+ test "$(cat ../submod/bar)" = "branch1 submodule" &&
+ git commit -m "branch1 resolved with mergetool - subdir"
+ )
+'
+
+test_expect_success 'mergetool skips autoresolved' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging"
+'
+
+test_expect_success 'mergetool merges all from subdir (rerere disabled)' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_config rerere.enabled false &&
+ (
+ cd subdir &&
+ test_must_fail git merge master &&
+ ( yes "r" | git mergetool ../submod ) &&
+ ( yes "d" "d" | git mergetool --no-prompt ) &&
+ test "$(cat ../file1)" = "master updated" &&
+ test "$(cat ../file2)" = "master new" &&
+ test "$(cat file3)" = "master new sub" &&
+ ( cd .. && git submodule update -N ) &&
+ test "$(cat ../submod/bar)" = "master submodule" &&
+ git commit -m "branch2 resolved by mergetool from subdir"
+ )
+'
+
+test_expect_success 'mergetool merges all from subdir (rerere enabled)' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_config rerere.enabled true &&
+ rm -rf .git/rr-cache &&
+ (
+ cd subdir &&
+ test_must_fail git merge master &&
+ ( yes "r" | git mergetool ../submod ) &&
+ ( yes "d" "d" | git mergetool --no-prompt ) &&
+ test "$(cat ../file1)" = "master updated" &&
+ test "$(cat ../file2)" = "master new" &&
+ test "$(cat file3)" = "master new sub" &&
+ ( cd .. && git submodule update -N ) &&
+ test "$(cat ../submod/bar)" = "master submodule" &&
+ git commit -m "branch2 resolved by mergetool from subdir"
+ )
+'
+
+test_expect_success 'mergetool skips resolved paths when rerere is active' '
+ test_when_finished "git reset --hard" &&
+ test_config rerere.enabled true &&
+ rm -rf .git/rr-cache &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ test_must_fail git merge master >/dev/null 2>&1 &&
+ ( yes "l" | git mergetool --no-prompt submod >/dev/null 2>&1 ) &&
+ ( yes "d" "d" | git mergetool --no-prompt >/dev/null 2>&1 ) &&
+ git submodule update -N &&
+ output="$(yes "n" | git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging"
+'
+
+test_expect_success 'conflicted stash sets up rerere' '
+ test_when_finished "git reset --hard" &&
+ test_config rerere.enabled true &&
+ git checkout stash1 &&
+ echo "Conflicting stash content" >file11 &&
+ git stash &&
+
+ git checkout --detach stash2 &&
+ test_must_fail git stash apply &&
+
+ test -n "$(git ls-files -u)" &&
+ conflicts="$(git rerere remaining)" &&
+ test "$conflicts" = "file11" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" != "No files need merging" &&
+
+ git commit -am "save the stash resolution" &&
+
+ git reset --hard stash2 &&
+ test_must_fail git stash apply &&
+
+ test -n "$(git ls-files -u)" &&
+ conflicts="$(git rerere remaining)" &&
+ test -z "$conflicts" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging"
+'
+
+test_expect_success 'mergetool takes partial path' '
+ test_when_finished "git reset --hard" &&
+ test_config rerere.enabled false &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ test_must_fail git merge master &&
+
+ ( yes "" | git mergetool subdir ) &&
+
+ test "$(cat subdir/file3)" = "master new sub"
+'
+
+test_expect_success 'mergetool delete/delete conflict' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count move-to-c &&
+ test_must_fail git merge move-to-b &&
+ echo d | git mergetool a/a/file.txt &&
+ ! test -f a/a/file.txt &&
+ git reset --hard &&
+ test_must_fail git merge move-to-b &&
+ echo m | git mergetool a/a/file.txt &&
+ test -f b/b/file.txt &&
+ git reset --hard &&
+ test_must_fail git merge move-to-b &&
+ ! echo a | git mergetool a/a/file.txt &&
+ ! test -f a/a/file.txt
+'
+
+test_expect_success 'mergetool produces no errors when keepBackup is used' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count move-to-c &&
+ test_config mergetool.keepBackup true &&
+ test_must_fail git merge move-to-b &&
+ : >expect &&
+ echo d | git mergetool a/a/file.txt 2>actual &&
+ test_cmp expect actual &&
+ ! test -d a
+'
+
+test_expect_success 'mergetool honors tempfile config for deleted files' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count move-to-c &&
+ test_config mergetool.keepTemporaries false &&
+ test_must_fail git merge move-to-b &&
+ echo d | git mergetool a/a/file.txt &&
+ ! test -d a
+'
+
+test_expect_success 'mergetool keeps tempfiles when aborting delete/delete' '
+ test_when_finished "git reset --hard" &&
+ test_when_finished "git clean -fdx" &&
+ git checkout -b test$test_count move-to-c &&
+ test_config mergetool.keepTemporaries true &&
+ test_must_fail git merge move-to-b &&
+ ! (echo a; echo n) | git mergetool a/a/file.txt &&
+ test -d a/a &&
+ cat >expect <<-\EOF &&
+ file_BASE_.txt
+ file_LOCAL_.txt
+ file_REMOTE_.txt
+ EOF
+ ls -1 a/a | sed -e "s/[0-9]*//g" >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'deleted vs modified submodule' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ mv submod submod-movedaside &&
+ git rm --cached submod &&
+ git commit -m "Submodule deleted from branch" &&
+ git checkout -b test$test_count.a test$test_count &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ rmdir submod && mv submod-movedaside submod &&
+ test "$(cat submod/bar)" = "branch1 submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module" &&
+
+ mv submod submod-movedaside &&
+ git checkout -b test$test_count.b test$test_count &&
+ git submodule update -N &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod ) &&
+ test ! -e submod &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by deleting module" &&
+
+ mv submod-movedaside submod &&
+ git checkout -b test$test_count.c master &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ test ! -e submod &&
+ test -d submod.orig &&
+ git submodule update -N &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by deleting module" &&
+ mv submod.orig submod &&
+
+ git checkout -b test$test_count.d master &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod ) &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module"
+'
+
+test_expect_success 'file vs modified submodule' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ mv submod submod-movedaside &&
+ git rm --cached submod &&
+ echo not a submodule >submod &&
+ git add submod &&
+ git commit -m "Submodule path becomes file" &&
+ git checkout -b test$test_count.a branch1 &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ rmdir submod && mv submod-movedaside submod &&
+ test "$(cat submod/bar)" = "branch1 submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module" &&
+
+ mv submod submod-movedaside &&
+ git checkout -b test$test_count.b test$test_count &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod ) &&
+ git submodule update -N &&
+ test "$(cat submod)" = "not a submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping file" &&
+
+ git checkout -b test$test_count.c master &&
+ rmdir submod && mv submod-movedaside submod &&
+ test ! -e submod.orig &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ test -d submod.orig &&
+ git submodule update -N &&
+ test "$(cat submod)" = "not a submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping file" &&
+
+ git checkout -b test$test_count.d master &&
+ rmdir submod && mv submod.orig submod &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "" | git mergetool both>/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "l" | git mergetool submod ) &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module"
+'
+
+test_expect_success 'submodule in subdirectory' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ git submodule update -N &&
+ (
+ cd subdir &&
+ test_create_repo subdir_module &&
+ (
+ cd subdir_module &&
+ : >file15 &&
+ git add file15 &&
+ git commit -m "add initial versions"
+ )
+ ) &&
+ test_when_finished "rm -rf subdir/subdir_module" &&
+ git submodule add git://example.com/subsubmodule subdir/subdir_module &&
+ git add subdir/subdir_module &&
+ git commit -m "add submodule in subdirectory" &&
+
+ git checkout -b test$test_count.a test$test_count &&
+ git submodule update -N &&
+ (
+ cd subdir/subdir_module &&
+ git checkout -b super10.a &&
+ echo test$test_count.a >file15 &&
+ git add file15 &&
+ git commit -m "on branch 10.a"
+ ) &&
+ git add subdir/subdir_module &&
+ git commit -m "change submodule in subdirectory on test$test_count.a" &&
+
+ git checkout -b test$test_count.b test$test_count &&
+ git submodule update -N &&
+ (
+ cd subdir/subdir_module &&
+ git checkout -b super10.b &&
+ echo test$test_count.b >file15 &&
+ git add file15 &&
+ git commit -m "on branch 10.b"
+ ) &&
+ git add subdir/subdir_module &&
+ git commit -m "change submodule in subdirectory on test$test_count.b" &&
+
+ test_must_fail git merge test$test_count.a >/dev/null 2>&1 &&
+ (
+ cd subdir &&
+ ( yes "l" | git mergetool subdir_module )
+ ) &&
+ test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
+ git submodule update -N &&
+ test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
+ git reset --hard &&
+ git submodule update -N &&
+
+ test_must_fail git merge test$test_count.a >/dev/null 2>&1 &&
+ ( yes "r" | git mergetool subdir/subdir_module ) &&
+ test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
+ git submodule update -N &&
+ test "$(cat subdir/subdir_module/file15)" = "test$test_count.a" &&
+ git commit -m "branch1 resolved with mergetool"
+'
+
+test_expect_success 'directory vs modified submodule' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ mv submod submod-movedaside &&
+ git rm --cached submod &&
+ mkdir submod &&
+ echo not a submodule >submod/file16 &&
+ git add submod/file16 &&
+ git commit -m "Submodule path becomes directory" &&
+
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "l" | git mergetool submod ) &&
+ test "$(cat submod/file16)" = "not a submodule" &&
+ rm -rf submod.orig &&
+
+ git reset --hard &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ test ! -e submod.orig &&
+ ( yes "r" | git mergetool submod ) &&
+ test -d submod.orig &&
+ test "$(cat submod.orig/file16)" = "not a submodule" &&
+ rm -r submod.orig &&
+ mv submod-movedaside/.git submod &&
+ ( cd submod && git clean -f && git reset --hard ) &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ git reset --hard &&
+ rm -rf submod-movedaside &&
+
+ git checkout -b test$test_count.c master &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "l" | git mergetool submod ) &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+
+ git reset --hard &&
+ git submodule update -N &&
+ test_must_fail git merge test$test_count &&
+ test -n "$(git ls-files -u)" &&
+ test ! -e submod.orig &&
+ ( yes "r" | git mergetool submod ) &&
+ test "$(cat submod/file16)" = "not a submodule" &&
+
+ git reset --hard master &&
+ ( cd submod && git clean -f && git reset --hard ) &&
+ git submodule update -N
+'
+
+test_expect_success 'file with no base' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_must_fail git merge master &&
+ git mergetool --no-prompt --tool mybase -- both &&
+ >expected &&
+ test_cmp expected both
+'
+
+test_expect_success 'custom commands override built-ins' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
+ test_config mergetool.defaults.trustExitCode true &&
+ test_must_fail git merge master &&
+ git mergetool --no-prompt --tool defaults -- both &&
+ echo master both added >expected &&
+ test_cmp expected both
+'
+
+test_expect_success 'filenames seen by tools start with ./' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_config mergetool.writeToTemp false &&
+ test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+ test_config mergetool.myecho.trustExitCode true &&
+ test_must_fail git merge master &&
+ git mergetool --no-prompt --tool myecho -- both >actual &&
+ grep ^\./both_LOCAL_ actual >/dev/null
+'
+
+test_lazy_prereq MKTEMP '
+ tempdir=$(mktemp -d -t foo.XXXXXX) &&
+ test -d "$tempdir" &&
+ rmdir "$tempdir"
+'
+
+test_expect_success MKTEMP 'temporary filenames are used with mergetool.writeToTemp' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count branch1 &&
+ test_config mergetool.writeToTemp true &&
+ test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+ test_config mergetool.myecho.trustExitCode true &&
+ test_must_fail git merge master &&
+ git mergetool --no-prompt --tool myecho -- both >actual &&
+ ! grep ^\./both_LOCAL_ actual >/dev/null &&
+ grep /both_LOCAL_ actual >/dev/null
+'
+
+test_expect_success 'diff.orderFile configuration is honored' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count order-file-side2 &&
+ test_config diff.orderFile order-file &&
+ test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+ test_config mergetool.myecho.trustExitCode true &&
+ echo b >order-file &&
+ echo a >>order-file &&
+ test_must_fail git merge order-file-side1 &&
+ cat >expect <<-\EOF &&
+ Merging:
+ b
+ a
+ EOF
+
+ # make sure "order-file" that is ambiguous between
+ # rev and path is understood correctly.
+ git branch order-file HEAD &&
+
+ git mergetool --no-prompt --tool myecho >output &&
+ git grep --no-index -h -A2 Merging: output >actual &&
+ test_cmp expect actual
+'
+test_expect_success 'mergetool -Oorder-file is honored' '
+ test_when_finished "git reset --hard" &&
+ git checkout -b test$test_count order-file-side2 &&
+ test_config diff.orderFile order-file &&
+ test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+ test_config mergetool.myecho.trustExitCode true &&
+ echo b >order-file &&
+ echo a >>order-file &&
+ test_must_fail git merge order-file-side1 &&
+ cat >expect <<-\EOF &&
+ Merging:
+ a
+ b
+ EOF
+ git mergetool -O/dev/null --no-prompt --tool myecho >output &&
+ git grep --no-index -h -A2 Merging: output >actual &&
+ test_cmp expect actual &&
+ git reset --hard &&
+
+ git config --unset diff.orderFile &&
+ test_must_fail git merge order-file-side1 &&
+ cat >expect <<-\EOF &&
+ Merging:
+ b
+ a
+ EOF
+ git mergetool -Oorder-file --no-prompt --tool myecho >output &&
+ git grep --no-index -h -A2 Merging: output >actual &&
+ test_cmp expect actual
+'
+
+test_done