diff options
Diffstat (limited to 'git-mergetool.sh')
| -rwxr-xr-x | git-mergetool.sh | 126 |
1 files changed, 113 insertions, 13 deletions
diff --git a/git-mergetool.sh b/git-mergetool.sh index b52a7410bc..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" "$REMOTE" @@ -264,24 +342,46 @@ merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo fa last_status=0 rollup_status=0 +rerere=false + +files_to_merge() { + if test "$rerere" = true + then + git rerere remaining + else + git ls-files -u | sed -e 's/^[^ ]* //' | sort -u + fi +} + if test $# -eq 0 ; then - files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u) + cd_to_toplevel + + if test -e "$GIT_DIR/MERGE_RR" + then + rerere=true + fi + + files=$(files_to_merge) if test -z "$files" ; then echo "No files need merging" exit 0 fi - echo Merging the files: "$files" - git ls-files -u | - sed -e 's/^[^ ]* //' | - sort -u | + + # Save original stdin + exec 3<&0 + + printf "Merging:\n" + printf "$files\n" + + files_to_merge | while IFS= read i do if test $last_status -ne 0; then - prompt_after_failed_merge < /dev/tty || exit 1 + prompt_after_failed_merge <&3 || exit 1 fi printf "\n" - merge_file "$i" < /dev/tty > /dev/tty + merge_file "$i" <&3 last_status=$? if test $last_status -ne 0; then rollup_status=1 |