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-rwxr-xr-xgit-mergetool.sh90
-rwxr-xr-xt/t7610-mergetool.sh290
2 files changed, 371 insertions, 9 deletions
diff --git a/git-mergetool.sh b/git-mergetool.sh
index bacbda2bb7..3aab5aae84 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -21,6 +21,10 @@ is_symlink () {
test "$1" = 120000
}
+is_submodule () {
+ test "$1" = 160000
+}
+
local_present () {
test -n "$local_mode"
}
@@ -35,7 +39,8 @@ base_present () {
cleanup_temp_files () {
if test "$1" = --save-backup ; then
- mv -- "$BACKUP" "$MERGED.orig"
+ rm -rf -- "$MERGED.orig"
+ test -e "$BACKUP" && mv -- "$BACKUP" "$MERGED.orig"
rm -f -- "$LOCAL" "$REMOTE" "$BASE"
else
rm -f -- "$LOCAL" "$REMOTE" "$BASE" "$BACKUP"
@@ -52,11 +57,13 @@ describe_file () {
echo "deleted"
elif is_symlink "$mode" ; then
echo "a symbolic link -> '$(cat "$file")'"
+ elif is_submodule "$mode" ; then
+ echo "submodule commit $file"
else
if base_present; then
- echo "modified"
+ echo "modified file"
else
- echo "created"
+ echo "created file"
fi
fi
}
@@ -112,6 +119,67 @@ resolve_deleted_merge () {
done
}
+resolve_submodule_merge () {
+ while true; do
+ printf "Use (l)ocal or (r)emote, or (a)bort? "
+ read ans
+ case "$ans" in
+ [lL]*)
+ if ! local_present; then
+ if test -n "$(git ls-tree HEAD -- "$MERGED")"; then
+ # Local isn't present, but it's a subdirectory
+ git ls-tree --full-name -r HEAD -- "$MERGED" | git update-index --index-info || exit $?
+ else
+ test -e "$MERGED" && mv -- "$MERGED" "$BACKUP"
+ git update-index --force-remove "$MERGED"
+ cleanup_temp_files --save-backup
+ fi
+ elif is_submodule "$local_mode"; then
+ stage_submodule "$MERGED" "$local_sha1"
+ else
+ git checkout-index -f --stage=2 -- "$MERGED"
+ git add -- "$MERGED"
+ fi
+ return 0
+ ;;
+ [rR]*)
+ if ! remote_present; then
+ if test -n "$(git ls-tree MERGE_HEAD -- "$MERGED")"; then
+ # Remote isn't present, but it's a subdirectory
+ git ls-tree --full-name -r MERGE_HEAD -- "$MERGED" | git update-index --index-info || exit $?
+ else
+ test -e "$MERGED" && mv -- "$MERGED" "$BACKUP"
+ git update-index --force-remove "$MERGED"
+ fi
+ elif is_submodule "$remote_mode"; then
+ ! is_submodule "$local_mode" && test -e "$MERGED" && mv -- "$MERGED" "$BACKUP"
+ stage_submodule "$MERGED" "$remote_sha1"
+ else
+ test -e "$MERGED" && mv -- "$MERGED" "$BACKUP"
+ git checkout-index -f --stage=3 -- "$MERGED"
+ git add -- "$MERGED"
+ fi
+ cleanup_temp_files --save-backup
+ return 0
+ ;;
+ [aA]*)
+ return 1
+ ;;
+ esac
+ done
+}
+
+stage_submodule () {
+ path="$1"
+ submodule_sha1="$2"
+ mkdir -p "$path" || die "fatal: unable to create directory for module at $path"
+ # Find $path relative to work tree
+ work_tree_root=$(cd_to_toplevel && pwd)
+ work_rel_path=$(cd "$path" && GIT_WORK_TREE="${work_tree_root}" git rev-parse --show-prefix)
+ test -n "$work_rel_path" || die "fatal: unable to get path of module $path relative to work tree"
+ git update-index --add --replace --cacheinfo 160000 "$submodule_sha1" "${work_rel_path%/}" || die
+}
+
checkout_staged_file () {
tmpfile=$(expr "$(git checkout-index --temp --stage="$1" "$2")" : '\([^ ]*\) ')
@@ -139,13 +207,23 @@ merge_file () {
REMOTE="./$MERGED.REMOTE.$ext"
BASE="./$MERGED.BASE.$ext"
- mv -- "$MERGED" "$BACKUP"
- cp -- "$BACKUP" "$MERGED"
-
base_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==1) print $1;}')
local_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $1;}')
remote_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $1;}')
+ if is_submodule "$local_mode" || is_submodule "$remote_mode"; then
+ echo "Submodule merge conflict for '$MERGED':"
+ local_sha1=$(git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $2;}')
+ remote_sha1=$(git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $2;}')
+ describe_file "$local_mode" "local" "$local_sha1"
+ describe_file "$remote_mode" "remote" "$remote_sha1"
+ resolve_submodule_merge
+ return
+ fi
+
+ mv -- "$MERGED" "$BACKUP"
+ cp -- "$BACKUP" "$MERGED"
+
base_present && checkout_staged_file 1 "$MERGED" "$BASE"
local_present && checkout_staged_file 2 "$MERGED" "$LOCAL"
remote_present && checkout_staged_file 3 "$MERGED" "$REMOTE"
diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh
index dc838c93bc..cbc08e3276 100755
--- a/t/t7610-mergetool.sh
+++ b/t/t7610-mergetool.sh
@@ -22,26 +22,50 @@ test_expect_success 'setup' '
echo master file14 >file14 &&
mkdir subdir &&
echo master sub >subdir/file3 &&
- git add file1 file1[1-4] 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 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 change file11 >file11 &&
echo branch1 change file13 >file13 &&
echo branch1 sub >subdir/file3 &&
- git add file1 file11 file13 file2 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 file11 file13 file2 subdir/file3 submod &&
git rm file12 &&
git commit -m "branch1 changes" &&
git checkout master &&
+ git submodule update -N &&
echo master updated >file1 &&
echo master new >file2 &&
echo master updated file12 >file12 &&
echo master updated file14 >file14 &&
echo master new sub >subdir/file3 &&
- git add file1 file12 file14 file2 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 file12 file14 file2 subdir/file3 submod &&
git rm file11 &&
git commit -m "master updates" &&
@@ -52,15 +76,18 @@ test_expect_success 'setup' '
test_expect_success 'custom mergetool' '
git checkout -b test1 branch1 &&
+ git submodule update -N &&
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 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 "$(cat submod/bar)" = "branch1 submodule" &&
git commit -m "branch1 resolved with mergetool"
'
@@ -73,9 +100,12 @@ test_expect_success 'mergetool crlf' '
( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod >/dev/null 2>&1 ) &&
test "$(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" &&
git config core.autocrlf false &&
git reset --hard
@@ -83,6 +113,7 @@ test_expect_success 'mergetool crlf' '
test_expect_success 'mergetool in subdir' '
git checkout -b test3 branch1 &&
+ git submodule update -N &&
(
cd subdir &&
test_must_fail git merge master >/dev/null 2>&1 &&
@@ -98,18 +129,22 @@ test_expect_success 'mergetool on file in parent dir' '
( yes "" | git mergetool ../file2 >/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 "$(cat ../submod/bar)" = "branch1 submodule" &&
git commit -m "branch1 resolved with mergetool - subdir"
)
'
test_expect_success 'mergetool skips autoresolved' '
git checkout -b test4 branch1 &&
+ git submodule update -N &&
test_must_fail git merge master &&
test -n "$(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" &&
git reset --hard
@@ -120,10 +155,13 @@ test_expect_success 'mergetool merges all from subdir' '
cd subdir &&
git config rerere.enabled false &&
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"
)
'
@@ -132,11 +170,257 @@ test_expect_success 'mergetool skips resolved paths when rerere is active' '
git config rerere.enabled true &&
rm -rf .git/rr-cache &&
git checkout -b test5 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" &&
git reset --hard
'
+test_expect_success 'deleted vs modified submodule' '
+ git checkout -b test6 branch1 &&
+ git submodule update -N &&
+ mv submod submod-movedaside &&
+ git rm submod &&
+ git commit -m "Submodule deleted from branch" &&
+ git checkout -b test6.a test6 &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ rmdir submod && mv submod-movedaside submod &&
+ test "$(cat submod/bar)" = "branch1 submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module" &&
+
+ mv submod submod-movedaside &&
+ git checkout -b test6.b test6 &&
+ git submodule update -N &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/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 test6.c master &&
+ git submodule update -N &&
+ test_must_fail git merge test6 &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ test ! -e submod &&
+ test -d submod.orig &&
+ git submodule update -N &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by deleting module" &&
+ mv submod.orig submod &&
+
+ git checkout -b test6.d master &&
+ git submodule update -N &&
+ test_must_fail git merge test6 &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/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" &&
+ git reset --hard HEAD
+'
+
+test_expect_success 'file vs modified submodule' '
+ git checkout -b test7 branch1 &&
+ git submodule update -N &&
+ mv submod submod-movedaside &&
+ git rm submod &&
+ echo not a submodule >submod &&
+ git add submod &&
+ git commit -m "Submodule path becomes file" &&
+ git checkout -b test7.a branch1 &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/dev/null 2>&1 ) &&
+ ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
+ ( yes "r" | git mergetool submod ) &&
+ rmdir submod && mv submod-movedaside submod &&
+ test "$(cat submod/bar)" = "branch1 submodule" &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+ output="$(git mergetool --no-prompt)" &&
+ test "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping module" &&
+
+ mv submod submod-movedaside &&
+ git checkout -b test7.b test7 &&
+ test_must_fail git merge master &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/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 "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping file" &&
+
+ git checkout -b test7.c master &&
+ rmdir submod && mv submod-movedaside submod &&
+ test ! -e submod.orig &&
+ git submodule update -N &&
+ test_must_fail git merge test7 &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/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 "$output" = "No files need merging" &&
+ git commit -m "Merge resolved by keeping file" &&
+
+ git checkout -b test7.d master &&
+ rmdir submod && mv submod.orig submod &&
+ git submodule update -N &&
+ test_must_fail git merge test7 &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "" | git mergetool file1 file2 subdir/file3 >/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' '
+ git checkout -b test10 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"
+ )
+ ) &&
+ 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 test10.a test10 &&
+ git submodule update -N &&
+ (
+ cd subdir/subdir_module &&
+ git checkout -b super10.a &&
+ echo test10.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 test10.a" &&
+
+ git checkout -b test10.b test10 &&
+ git submodule update -N &&
+ (
+ cd subdir/subdir_module &&
+ git checkout -b super10.b &&
+ echo test10.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 test10.b" &&
+
+ test_must_fail git merge test10.a >/dev/null 2>&1 &&
+ (
+ cd subdir &&
+ ( yes "l" | git mergetool subdir_module )
+ ) &&
+ test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
+ git submodule update -N &&
+ test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
+ git reset --hard &&
+ git submodule update -N &&
+
+ test_must_fail git merge test10.a >/dev/null 2>&1 &&
+ ( yes "r" | git mergetool subdir/subdir_module ) &&
+ test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
+ git submodule update -N &&
+ test "$(cat subdir/subdir_module/file15)" = "test10.a" &&
+ git commit -m "branch1 resolved with mergetool" &&
+ rm -rf subdir/subdir_module
+'
+
+test_expect_success 'directory vs modified submodule' '
+ git checkout -b test11 branch1 &&
+ mv submod submod-movedaside &&
+ git rm 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 "$(cat submod/bar)" = "master submodule" &&
+ git reset --hard && rm -rf submod-movedaside &&
+
+ git checkout -b test11.c master &&
+ git submodule update -N &&
+ test_must_fail git merge test11 &&
+ test -n "$(git ls-files -u)" &&
+ ( yes "l" | git mergetool submod ) &&
+ git submodule update -N &&
+ test "$(cat submod/bar)" = "master submodule" &&
+
+ git reset --hard &&
+ git submodule update -N &&
+ test_must_fail git merge test11 &&
+ test -n "$(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_done