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
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 ;;
- esac
- done
- fi
-}
-
checkout_staged_file () {
tmpfile=$(expr "$(git checkout-index --temp --stage="$1" "$2")" : '\([^ ]*\) ')
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 "$MERGED: file not found"
mv -- "$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 $1;}'`
+ base_mode=$(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 $1;}')
base_present && checkout_staged_file 1 "$MERGED" "$BASE"
local_present && checkout_staged_file 2 "$MERGED" "$LOCAL"
read ans
fi
- case "$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" "$MERGED"
-t|--tool*)
case "$#,$1" in
*,*=*)
- merge_tool=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)')
;;
1,*)
usage ;;
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=$1
- ;;
- esac
- fi
-}
-
prompt_after_failed_merge() {
while true; do
printf "Continue merging other unresolved paths (y/n) ? "
}
if test -z "$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: $merge_tool"
- echo >&2 "Resetting to default..."
- unset merge_tool
- fi
-fi
-
-if test -z "$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"
-
- merge_keep_backup="$(git config --bool merge.keepBackup || echo true)"
- merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)"
-
- 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
- fi
-
- if ! test -z "$merge_tool_cmd"; then
- merge_tool_trust_exit_code="$(git config --bool mergetool.$merge_tool.trustExitCode || echo false)"
- fi
+ merge_tool=$(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)"
last_status=0
rollup_status=0
if test $# -eq 0 ; then
- files=`git ls-files -u | sed -e 's/^[^ ]* //' | sort -u`
+ files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u)
if test -z "$files" ; then
echo "No files need merging"
exit 0