# at the discretion of Junio C Hamano.
#
-USAGE='[--tool=tool] [file to merge] ...'
+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
# Returns true if the mode reflects a symlink
cleanup_temp_files () {
if test "$1" = --save-backup ; then
- mv -- "$BACKUP" "$path.orig"
+ mv -- "$BACKUP" "$MERGED.orig"
rm -f -- "$LOCAL" "$REMOTE" "$BASE"
else
rm -f -- "$LOCAL" "$REMOTE" "$BASE" "$BACKUP"
read ans
case "$ans" in
[lL]*)
- git checkout-index -f --stage=2 -- "$path"
- git add -- "$path"
+ git checkout-index -f --stage=2 -- "$MERGED"
+ git add -- "$MERGED"
cleanup_temp_files --save-backup
- return
+ return 0
;;
[rR]*)
- git checkout-index -f --stage=3 -- "$path"
- git add -- "$path"
+ git checkout-index -f --stage=3 -- "$MERGED"
+ git add -- "$MERGED"
cleanup_temp_files --save-backup
- return
+ return 0
;;
[aA]*)
- exit 1
+ return 1
;;
esac
done
read ans
case "$ans" in
[mMcC]*)
- git add -- "$path"
+ git add -- "$MERGED"
cleanup_temp_files --save-backup
- return
+ return 0
;;
[dD]*)
- git rm -- "$path" > /dev/null
+ git rm -- "$MERGED" > /dev/null
cleanup_temp_files
- return
+ return 0
;;
[aA]*)
- exit 1
+ return 1
;;
esac
done
}
-check_unchanged () {
- if test "$path" -nt "$BACKUP" ; then
- status=0;
- else
- while true; do
- echo "$path seems unchanged."
- printf "Was the merge successful? [y/n] "
- read answer < /dev/tty
- case "$answer" in
- y*|Y*) status=0; break ;;
- n*|N*) status=1; break ;;
- esac
- done
- fi
-}
-
-save_backup () {
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
- fi
-}
+checkout_staged_file () {
+ tmpfile=$(expr "$(git checkout-index --temp --stage="$1" "$2")" : '\([^ ]*\) ')
-remove_backup () {
- if test "$status" -eq 0; then
- rm "$BACKUP"
+ if test $? -eq 0 -a -n "$tmpfile" ; then
+ mv -- "$(git rev-parse --show-cdup)$tmpfile" "$3"
fi
}
merge_file () {
- path="$1"
+ MERGED="$1"
- f=`git ls-files -u -- "$path"`
+ f=$(git ls-files -u -- "$MERGED")
if test -z "$f" ; then
- if test ! -f "$path" ; then
- echo "$path: file not found"
+ if test ! -f "$MERGED" ; then
+ echo "$MERGED: file not found"
else
- echo "$path: file does not need merging"
+ echo "$MERGED: file does not need merging"
fi
- exit 1
+ return 1
fi
- BACKUP="$path.BACKUP.$$"
- LOCAL="$path.LOCAL.$$"
- REMOTE="$path.REMOTE.$$"
- BASE="$path.BASE.$$"
+ ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')"
+ BACKUP="./$MERGED.BACKUP.$ext"
+ LOCAL="./$MERGED.LOCAL.$ext"
+ REMOTE="./$MERGED.REMOTE.$ext"
+ BASE="./$MERGED.BASE.$ext"
- mv -- "$path" "$BACKUP"
- cp -- "$BACKUP" "$path"
+ mv -- "$MERGED" "$BACKUP"
+ cp -- "$BACKUP" "$MERGED"
- base_mode=`git ls-files -u -- "$path" | awk '{if ($3==1) print $1;}'`
- local_mode=`git ls-files -u -- "$path" | awk '{if ($3==2) print $1;}'`
- remote_mode=`git ls-files -u -- "$path" | awk '{if ($3==3) print $1;}'`
+ base_mode=$(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 $1;}')
- base_present && git cat-file blob ":1:$path" > "$BASE" 2>/dev/null
- local_present && git cat-file blob ":2:$path" > "$LOCAL" 2>/dev/null
- remote_present && git cat-file blob ":3:$path" > "$REMOTE" 2>/dev/null
+ base_present && checkout_staged_file 1 "$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 "$remote_mode"; then
- echo "Deleted merge conflict for '$path':"
+ echo "Deleted merge conflict for '$MERGED':"
describe_file "$local_mode" "local" "$LOCAL"
describe_file "$remote_mode" "remote" "$REMOTE"
resolve_deleted_merge
fi
if is_symlink "$local_mode" || is_symlink "$remote_mode"; then
- echo "Symbolic link merge conflict for '$path':"
+ echo "Symbolic link merge conflict for '$MERGED':"
describe_file "$local_mode" "local" "$LOCAL"
describe_file "$remote_mode" "remote" "$REMOTE"
resolve_symlink_merge
return
fi
- echo "Normal merge conflict for '$path':"
+ echo "Normal merge conflict for '$MERGED':"
describe_file "$local_mode" "local" "$LOCAL"
describe_file "$remote_mode" "remote" "$REMOTE"
- printf "Hit return to start merge resolution tool (%s): " "$merge_tool"
- read ans
-
- case "$merge_tool" in
- kdiff3)
- if base_present ; then
- (kdiff3 --auto --L1 "$path (Base)" -L2 "$path (Local)" --L3 "$path (Remote)" \
- -o "$path" -- "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1)
- else
- (kdiff3 --auto -L1 "$path (Local)" --L2 "$path (Remote)" \
- -o "$path" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1)
- fi
- status=$?
- remove_backup
- ;;
- tkdiff)
- if base_present ; then
- tkdiff -a "$BASE" -o "$path" -- "$LOCAL" "$REMOTE"
- else
- tkdiff -o "$path" -- "$LOCAL" "$REMOTE"
- fi
- status=$?
- save_backup
- ;;
- meld|vimdiff)
- touch "$BACKUP"
- $merge_tool -- "$LOCAL" "$path" "$REMOTE"
- check_unchanged
- save_backup
- ;;
- gvimdiff)
- touch "$BACKUP"
- gvimdiff -f -- "$LOCAL" "$path" "$REMOTE"
- check_unchanged
- save_backup
- ;;
- xxdiff)
- touch "$BACKUP"
- if base_present ; then
- xxdiff -X --show-merged-pane \
- -R 'Accel.SaveAsMerged: "Ctrl-S"' \
- -R 'Accel.Search: "Ctrl+F"' \
- -R 'Accel.SearchForward: "Ctrl-G"' \
- --merged-file "$path" -- "$LOCAL" "$BASE" "$REMOTE"
- else
- xxdiff -X --show-merged-pane \
- -R 'Accel.SaveAsMerged: "Ctrl-S"' \
- -R 'Accel.Search: "Ctrl+F"' \
- -R 'Accel.SearchForward: "Ctrl-G"' \
- --merged-file "$path" -- "$LOCAL" "$REMOTE"
- fi
- check_unchanged
- save_backup
- ;;
- opendiff)
- touch "$BACKUP"
- if base_present; then
- opendiff "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$path" | cat
- else
- opendiff "$LOCAL" "$REMOTE" -merge "$path" | cat
- fi
- check_unchanged
- save_backup
- ;;
- emerge)
- if base_present ; then
- emacs -f emerge-files-with-ancestor-command "$LOCAL" "$REMOTE" "$BASE" "$path"
- else
- emacs -f emerge-files-command "$LOCAL" "$REMOTE" "$path"
- fi
- status=$?
- save_backup
- ;;
- esac
- if test "$status" -ne 0; then
- echo "merge of $path failed" 1>&2
- mv -- "$BACKUP" "$path"
- exit 1
+ if "$prompt" = true; then
+ printf "Hit return to start merge resolution tool (%s): " "$merge_tool"
+ read ans
+ fi
+
+ if base_present; then
+ present=true
+ else
+ present=false
fi
- git add -- "$path"
+
+ if ! run_merge_tool "$merge_tool" "$present"; then
+ echo "merge of $MERGED failed" 1>&2
+ mv -- "$BACKUP" "$MERGED"
+
+ if test "$merge_keep_temporaries" = "false"; then
+ cleanup_temp_files
+ fi
+
+ return 1
+ fi
+
+ if test "$merge_keep_backup" = "true"; then
+ mv -- "$BACKUP" "$MERGED.orig"
+ else
+ rm -- "$BACKUP"
+ fi
+
+ git add -- "$MERGED"
cleanup_temp_files
+ return 0
}
-while case $# in 0) break ;; esac
+prompt=$(git config --bool mergetool.prompt || echo true)
+
+while test $# != 0
do
case "$1" in
-t|--tool*)
case "$#,$1" in
*,*=*)
- merge_tool=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)')
;;
1,*)
usage ;;
shift ;;
esac
;;
+ -y|--no-prompt)
+ prompt=false
+ ;;
+ --prompt)
+ prompt=true
+ ;;
--)
+ shift
break
;;
-*)
shift
done
-if test -z "$merge_tool"; then
- merge_tool=`git config merge.tool`
- case "$merge_tool" in
- kdiff3 | tkdiff | xxdiff | meld | opendiff | emerge | vimdiff | gvimdiff | "")
- ;; # happy
- *)
- echo >&2 "git config option merge.tool set to unknown tool: $merge_tool"
- echo >&2 "Resetting to default..."
- unset merge_tool
- ;;
- esac
-fi
+prompt_after_failed_merge() {
+ while true; do
+ printf "Continue merging other unresolved paths (y/n) ? "
+ read ans
+ case "$ans" in
-if test -z "$merge_tool" ; then
- if test -n "$DISPLAY"; then
- merge_tool_candidates="kdiff3 tkdiff xxdiff meld gvimdiff"
- if test -n "$GNOME_DESKTOP_SESSION_ID" ; then
- merge_tool_candidates="meld $merge_tool_candidates"
- fi
- if test "$KDE_FULL_SESSION" = "true"; then
- merge_tool_candidates="kdiff3 $merge_tool_candidates"
- fi
- fi
- if echo "${VISUAL:-$EDITOR}" | grep 'emacs' > /dev/null 2>&1; then
- merge_tool_candidates="$merge_tool_candidates emerge"
- fi
- if echo "${VISUAL:-$EDITOR}" | grep 'vim' > /dev/null 2>&1; then
- merge_tool_candidates="$merge_tool_candidates vimdiff"
- fi
- merge_tool_candidates="$merge_tool_candidates opendiff emerge vimdiff"
- echo "merge tool candidates: $merge_tool_candidates"
- for i in $merge_tool_candidates; do
- if test $i = emerge ; then
- cmd=emacs
- else
- cmd=$i
- fi
- if type $cmd > /dev/null 2>&1; then
- merge_tool=$i
- break
- fi
+ [yY]*)
+ return 0
+ ;;
+
+ [nN]*)
+ return 1
+ ;;
+ esac
done
- if test -z "$merge_tool" ; then
- echo "No available merge resolution programs available."
- exit 1
- fi
+}
+
+if test -z "$merge_tool"; then
+ 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)"
-case "$merge_tool" in
- kdiff3|tkdiff|meld|xxdiff|vimdiff|gvimdiff|opendiff)
- if ! type "$merge_tool" > /dev/null 2>&1; then
- echo "The merge tool $merge_tool is not available"
- exit 1
- fi
- ;;
- emerge)
- if ! type "emacs" > /dev/null 2>&1; then
- echo "Emacs is not available"
- exit 1
- fi
- ;;
- *)
- echo "Unknown merge tool: $merge_tool"
- exit 1
- ;;
-esac
+last_status=0
+rollup_status=0
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
+ files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u)
+ if test -z "$files" ; then
+ echo "No files need merging"
+ exit 0
+ fi
+ echo Merging the files: "$files"
+ git ls-files -u |
+ sed -e 's/^[^ ]* //' |
+ sort -u |
+ while IFS= read i
+ do
+ if test $last_status -ne 0; then
+ prompt_after_failed_merge < /dev/tty || exit 1
fi
- echo Merging the files: $files
- git ls-files -u | sed -e 's/^[^ ]* //' | sort -u | while read i
- do
- printf "\n"
- merge_file "$i" < /dev/tty > /dev/tty
- done
+ 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
- printf "\n"
- merge_file "$1"
- shift
- done
+ 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
-exit 0
+
+exit $rollup_status