diff options
Diffstat (limited to 'git-mergetool.sh')
| -rwxr-xr-x | git-mergetool.sh | 376 |
1 files changed, 140 insertions, 236 deletions
diff --git a/git-mergetool.sh b/git-mergetool.sh index 09f3a1068f..085e213a12 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -11,15 +11,20 @@ USAGE='[--tool=tool] [-y|--no-prompt|--prompt] [file to merge] ...' SUBDIRECTORY_OK=Yes OPTIONS_SPEC= +TOOL_MODE=merge . git-sh-setup +. git-mergetool--lib require_work_tree -prefix=$(git rev-parse --show-prefix) # Returns true if the mode reflects a symlink is_symlink () { test "$1" = 120000 } +is_submodule () { + test "$1" = 160000 +} + local_present () { test -n "$local_mode" } @@ -34,7 +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" @@ -51,11 +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 $file" else if base_present; then - echo "modified" + echo "modified file" else - echo "created" + echo "created file" fi fi } @@ -64,7 +72,7 @@ describe_file () { resolve_symlink_merge () { while true; do printf "Use (l)ocal or (r)emote, or (a)bort? " - read ans + read ans || return 1 case "$ans" in [lL]*) git checkout-index -f --stage=2 -- "$MERGED" @@ -92,7 +100,7 @@ resolve_deleted_merge () { else printf "Use (c)reated or (d)eleted file, or (a)bort? " fi - read ans + read ans || return 1 case "$ans" in [mMcC]*) git add -- "$MERGED" @@ -111,26 +119,79 @@ resolve_deleted_merge () { done } -check_unchanged () { - if test "$MERGED" -nt "$BACKUP" ; then - status=0; - else - while true; do - echo "$MERGED seems unchanged." - printf "Was the merge successful? [y/n] " - read answer < /dev/tty - case "$answer" in - y*|Y*) status=0; break ;; - n*|N*) status=1; break ;; +resolve_submodule_merge () { + while true; do + printf "Use (l)ocal or (r)emote, or (a)bort? " + read ans || return 1 + case "$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")" : '\([^ ]*\) ') + + if test $? -eq 0 -a -n "$tmpfile" ; then + mv -- "$(git rev-parse --show-cdup)$tmpfile" "$3" fi } merge_file () { MERGED="$1" - f=`git ls-files -u -- "$MERGED"` + f=$(git ls-files -u -- "$MERGED") if test -z "$f" ; then if test ! -f "$MERGED" ; then echo "$MERGED: file not found" @@ -146,16 +207,26 @@ merge_file () { REMOTE="./$MERGED.REMOTE.$ext" BASE="./$MERGED.BASE.$ext" + base_mode=$(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" "$MERGED" - base_mode=`git ls-files -u -- "$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 $1;}'` - - base_present && git cat-file blob ":1:$prefix$MERGED" >"$BASE" 2>/dev/null - local_present && git cat-file blob ":2:$prefix$MERGED" >"$LOCAL" 2>/dev/null - remote_present && git cat-file blob ":3:$prefix$MERGED" >"$REMOTE" 2>/dev/null + base_present && checkout_staged_file 1 "$MERGED" "$BASE" + local_present && checkout_staged_file 2 "$MERGED" "$LOCAL" + remote_present && checkout_staged_file 3 "$MERGED" "$REMOTE" if test -z "$local_mode" -o -z "$remote_mode"; then echo "Deleted merge conflict for '$MERGED':" @@ -178,100 +249,16 @@ merge_file () { describe_file "$remote_mode" "remote" "$REMOTE" if "$prompt" = true; then printf "Hit return to start merge resolution tool (%s): " "$merge_tool" - read ans + read ans || return 1 fi - case "$merge_tool" in - kdiff3) - if base_present ; then - ("$merge_tool_path" --auto --L1 "$MERGED (Base)" --L2 "$MERGED (Local)" --L3 "$MERGED (Remote)" \ - -o "$MERGED" "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1) - else - ("$merge_tool_path" --auto --L1 "$MERGED (Local)" --L2 "$MERGED (Remote)" \ - -o "$MERGED" "$LOCAL" "$REMOTE" > /dev/null 2>&1) - fi - status=$? - ;; - tkdiff) - if base_present ; then - "$merge_tool_path" -a "$BASE" -o "$MERGED" "$LOCAL" "$REMOTE" - else - "$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE" - fi - status=$? - ;; - meld) - touch "$BACKUP" - "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE" - check_unchanged - ;; - vimdiff) - touch "$BACKUP" - "$merge_tool_path" -c "wincmd l" "$LOCAL" "$MERGED" "$REMOTE" - check_unchanged - ;; - gvimdiff) - touch "$BACKUP" - "$merge_tool_path" -c "wincmd l" -f "$LOCAL" "$MERGED" "$REMOTE" - check_unchanged - ;; - xxdiff) - touch "$BACKUP" - if base_present ; then - "$merge_tool_path" -X --show-merged-pane \ - -R 'Accel.SaveAsMerged: "Ctrl-S"' \ - -R 'Accel.Search: "Ctrl+F"' \ - -R 'Accel.SearchForward: "Ctrl-G"' \ - --merged-file "$MERGED" "$LOCAL" "$BASE" "$REMOTE" - else - "$merge_tool_path" -X --show-merged-pane \ - -R 'Accel.SaveAsMerged: "Ctrl-S"' \ - -R 'Accel.Search: "Ctrl+F"' \ - -R 'Accel.SearchForward: "Ctrl-G"' \ - --merged-file "$MERGED" "$LOCAL" "$REMOTE" - fi - check_unchanged - ;; - opendiff) - touch "$BACKUP" - if base_present; then - "$merge_tool_path" "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$MERGED" | cat - else - "$merge_tool_path" "$LOCAL" "$REMOTE" -merge "$MERGED" | cat - fi - check_unchanged - ;; - ecmerge) - touch "$BACKUP" - if base_present; then - "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" --default --mode=merge3 --to="$MERGED" - else - "$merge_tool_path" "$LOCAL" "$REMOTE" --default --mode=merge2 --to="$MERGED" - fi - check_unchanged - ;; - emerge) - if base_present ; then - "$merge_tool_path" -f emerge-files-with-ancestor-command "$LOCAL" "$REMOTE" "$BASE" "$(basename "$MERGED")" - else - "$merge_tool_path" -f emerge-files-command "$LOCAL" "$REMOTE" "$(basename "$MERGED")" - fi - status=$? - ;; - *) - if test -n "$merge_tool_cmd"; then - if test "$merge_tool_trust_exit_code" = "false"; then - touch "$BACKUP" - ( eval $merge_tool_cmd ) - check_unchanged - else - ( eval $merge_tool_cmd ) - status=$? - fi - fi - ;; - esac - if test "$status" -ne 0; then + if base_present; then + present=true + else + present=false + fi + + if ! run_merge_tool "$merge_tool" "$present"; then echo "merge of $MERGED failed" 1>&2 mv -- "$BACKUP" "$MERGED" @@ -301,7 +288,7 @@ do -t|--tool*) case "$#,$1" in *,*=*) - merge_tool=`expr "z$1" : 'z-[^=]*=\(.*\)'` + merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; 1,*) usage ;; @@ -330,42 +317,10 @@ do shift done -valid_custom_tool() -{ - merge_tool_cmd="$(git config mergetool.$1.cmd)" - test -n "$merge_tool_cmd" -} - -valid_tool() { - case "$1" in - kdiff3 | tkdiff | xxdiff | meld | opendiff | emerge | vimdiff | gvimdiff | ecmerge) - ;; # happy - *) - if ! valid_custom_tool "$1"; then - return 1 - fi - ;; - esac -} - -init_merge_tool_path() { - merge_tool_path=`git config mergetool.$1.path` - if test -z "$merge_tool_path" ; then - case "$1" in - emerge) - merge_tool_path=emacs - ;; - *) - merge_tool_path=$1 - ;; - esac - fi -} - prompt_after_failed_merge() { while true; do printf "Continue merging other unresolved paths (y/n) ? " - read ans + read ans || return 1 case "$ans" in [yY]*) @@ -380,100 +335,49 @@ prompt_after_failed_merge() { } if test -z "$merge_tool"; then - merge_tool=`git config merge.tool` - if test -n "$merge_tool" && ! valid_tool "$merge_tool"; then - echo >&2 "git config option merge.tool set to unknown tool: $merge_tool" - echo >&2 "Resetting to default..." - unset merge_tool - fi + merge_tool=$(get_merge_tool "$merge_tool") || exit fi +merge_keep_backup="$(git config --bool mergetool.keepBackup || echo true)" +merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)" -if test -z "$merge_tool" ; then - if test -n "$DISPLAY"; then - if test -n "$GNOME_DESKTOP_SESSION_ID" ; then - merge_tool_candidates="meld kdiff3 tkdiff xxdiff gvimdiff" - else - merge_tool_candidates="kdiff3 tkdiff xxdiff meld gvimdiff" - fi - fi - if echo "${VISUAL:-$EDITOR}" | grep 'emacs' > /dev/null 2>&1; then - merge_tool_candidates="$merge_tool_candidates emerge opendiff vimdiff" - elif echo "${VISUAL:-$EDITOR}" | grep 'vim' > /dev/null 2>&1; then - merge_tool_candidates="$merge_tool_candidates vimdiff opendiff emerge" - else - merge_tool_candidates="$merge_tool_candidates opendiff emerge vimdiff" - fi - echo "merge tool candidates: $merge_tool_candidates" - for i in $merge_tool_candidates; do - init_merge_tool_path $i - if type "$merge_tool_path" > /dev/null 2>&1; then - merge_tool=$i - break - fi - done - if test -z "$merge_tool" ; then - echo "No known merge resolution program available." - exit 1 - fi -else - if ! valid_tool "$merge_tool"; then - echo >&2 "Unknown merge_tool $merge_tool" - exit 1 - fi - - init_merge_tool_path "$merge_tool" +last_status=0 +rollup_status=0 +files= - merge_keep_backup="$(git config --bool merge.keepBackup || echo true)" - merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)" +if test $# -eq 0 ; then + cd_to_toplevel - if test -z "$merge_tool_cmd" && ! type "$merge_tool_path" > /dev/null 2>&1; then - echo "The merge tool $merge_tool is not available as '$merge_tool_path'" - exit 1 + if test -e "$GIT_DIR/MERGE_RR" + then + files=$(git rerere remaining) + else + files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u) fi +else + files=$(git ls-files -u -- "$@" | sed -e 's/^[^ ]* //' | sort -u) +fi - if ! test -z "$merge_tool_cmd"; then - merge_tool_trust_exit_code="$(git config --bool mergetool.$merge_tool.trustExitCode || echo false)" - fi +if test -z "$files" ; then + echo "No files need merging" + exit 0 fi -last_status=0 -rollup_status=0 +printf "Merging:\n" +printf "$files\n" -if test $# -eq 0 ; then - files=`git ls-files -u | sed -e 's/^[^ ]* //' | sort -u` - if test -z "$files" ; then - echo "No files need merging" - exit 0 +IFS=' +' +for i in $files +do + if test $last_status -ne 0; then + prompt_after_failed_merge || exit 1 fi - echo Merging the files: "$files" - git ls-files -u | - sed -e 's/^[^ ]* //' | - sort -u | - while IFS= read i - do - if test $last_status -ne 0; then - prompt_after_failed_merge < /dev/tty || exit 1 - fi - printf "\n" - merge_file "$i" < /dev/tty > /dev/tty - last_status=$? - if test $last_status -ne 0; then - rollup_status=1 - fi - done -else - while test $# -gt 0; do - if test $last_status -ne 0; then - prompt_after_failed_merge || exit 1 - fi - printf "\n" - merge_file "$1" - last_status=$? - if test $last_status -ne 0; then - rollup_status=1 - fi - shift - done -fi + printf "\n" + merge_file "$i" + last_status=$? + if test $last_status -ne 0; then + rollup_status=1 + fi +done exit $rollup_status |