USAGE='[--tool=tool] [file to merge] ...'
SUBDIRECTORY_OK=Yes
+OPTIONS_SPEC=
. git-sh-setup
require_work_tree
prefix=$(git rev-parse --show-prefix)
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 -- "$MERGED"
cleanup_temp_files --save-backup
return
;;
[rR]*)
- git checkout-index -f --stage=3 -- "$path"
- git add -- "$path"
+ git checkout-index -f --stage=3 -- "$MERGED"
+ git add -- "$MERGED"
cleanup_temp_files --save-backup
return
;;
read ans
case "$ans" in
[mMcC]*)
- git add -- "$path"
+ git add -- "$MERGED"
cleanup_temp_files --save-backup
return
;;
[dD]*)
- git rm -- "$path" > /dev/null
+ git rm -- "$MERGED" > /dev/null
cleanup_temp_files
return
;;
}
check_unchanged () {
- if test "$path" -nt "$BACKUP" ; then
+ if test "$MERGED" -nt "$BACKUP" ; then
status=0;
else
while true; do
- echo "$path seems unchanged."
+ echo "$MERGED seems unchanged."
printf "Was the merge successful? [y/n] "
read answer < /dev/tty
case "$answer" in
fi
}
-save_backup () {
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
- fi
-}
-
-remove_backup () {
- if test "$status" -eq 0; then
- rm "$BACKUP"
- 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
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 $1;}'`
- base_present && git cat-file blob ":1:$prefix$path" >"$BASE" 2>/dev/null
- local_present && git cat-file blob ":2:$prefix$path" >"$LOCAL" 2>/dev/null
- remote_present && git cat-file blob ":3:$prefix$path" >"$REMOTE" 2>/dev/null
+ 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" >"$REMOTE" 2>/dev/null
if test -z "$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"
case "$merge_tool" in
kdiff3)
if base_present ; then
- ("$merge_tool_path" --auto --L1 "$path (Base)" --L2 "$path (Local)" --L3 "$path (Remote)" \
- -o "$path" -- "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1)
+ ("$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 "$path (Local)" --L2 "$path (Remote)" \
- -o "$path" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1)
+ ("$merge_tool_path" --auto --L1 "$MERGED (Local)" --L2 "$MERGED (Remote)" \
+ -o "$MERGED" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1)
fi
status=$?
- remove_backup
;;
tkdiff)
if base_present ; then
- "$merge_tool_path" -a "$BASE" -o "$path" -- "$LOCAL" "$REMOTE"
+ "$merge_tool_path" -a "$BASE" -o "$MERGED" -- "$LOCAL" "$REMOTE"
else
- "$merge_tool_path" -o "$path" -- "$LOCAL" "$REMOTE"
+ "$merge_tool_path" -o "$MERGED" -- "$LOCAL" "$REMOTE"
fi
status=$?
- save_backup
;;
meld|vimdiff)
touch "$BACKUP"
- "$merge_tool_path" -- "$LOCAL" "$path" "$REMOTE"
+ "$merge_tool_path" -- "$LOCAL" "$MERGED" "$REMOTE"
check_unchanged
- save_backup
;;
gvimdiff)
- touch "$BACKUP"
- "$merge_tool_path" -f -- "$LOCAL" "$path" "$REMOTE"
- check_unchanged
- save_backup
- ;;
+ touch "$BACKUP"
+ "$merge_tool_path" -f -- "$LOCAL" "$MERGED" "$REMOTE"
+ check_unchanged
+ ;;
xxdiff)
touch "$BACKUP"
if base_present ; then
-R 'Accel.SaveAsMerged: "Ctrl-S"' \
-R 'Accel.Search: "Ctrl+F"' \
-R 'Accel.SearchForward: "Ctrl-G"' \
- --merged-file "$path" -- "$LOCAL" "$BASE" "$REMOTE"
+ --merged-file "$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 "$path" -- "$LOCAL" "$REMOTE"
+ --merged-file "$MERGED" -- "$LOCAL" "$REMOTE"
fi
check_unchanged
- save_backup
;;
opendiff)
touch "$BACKUP"
if base_present; then
- "$merge_tool_path" "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$path" | cat
+ "$merge_tool_path" "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$MERGED" | cat
else
- "$merge_tool_path" "$LOCAL" "$REMOTE" -merge "$path" | cat
+ "$merge_tool_path" "$LOCAL" "$REMOTE" -merge "$MERGED" | cat
fi
check_unchanged
- save_backup
;;
ecmerge)
touch "$BACKUP"
if base_present; then
- "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" --mode=merge3 --to="$path"
+ "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" --mode=merge3 --to="$MERGED"
else
- "$merge_tool_path" "$LOCAL" "$REMOTE" --mode=merge2 --to="$path"
+ "$merge_tool_path" "$LOCAL" "$REMOTE" --mode=merge2 --to="$MERGED"
fi
check_unchanged
- save_backup
;;
emerge)
if base_present ; then
- "$merge_tool_path" -f emerge-files-with-ancestor-command "$LOCAL" "$REMOTE" "$BASE" "$(basename "$path")"
+ "$merge_tool_path" -f emerge-files-with-ancestor-command "$LOCAL" "$REMOTE" "$BASE" "$(basename "$MERGED")"
else
- "$merge_tool_path" -f emerge-files-command "$LOCAL" "$REMOTE" "$(basename "$path")"
+ "$merge_tool_path" -f emerge-files-command "$LOCAL" "$REMOTE" "$(basename "$MERGED")"
fi
status=$?
- save_backup
+ ;;
+ *)
+ if test -n "$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
- echo "merge of $path failed" 1>&2
- mv -- "$BACKUP" "$path"
+ echo "merge of $MERGED failed" 1>&2
+ mv -- "$BACKUP" "$MERGED"
exit 1
fi
- git add -- "$path"
+
+ if test "$merge_keep_backup" = "true"; then
+ mv -- "$BACKUP" "$MERGED.orig"
+ else
+ rm -- "$BACKUP"
+ fi
+
+ git add -- "$MERGED"
cleanup_temp_files
}
shift
done
+valid_custom_tool()
+{
+ merge_tool_cmd="$(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
*)
- return 1
+ if ! valid_custom_tool "$1"; then
+ return 1
+ fi
;;
esac
}
init_merge_tool_path "$merge_tool"
- if ! type "$merge_tool_path" > /dev/null 2>&1; then
+ merge_keep_backup="$(git config --bool merge.keepBackup || echo true)"
+
+ 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
fi
echo "No files need merging"
exit 0
fi
- echo Merging the files: $files
- git ls-files -u | sed -e 's/^[^ ]* //' | sort -u | while read i
+ echo Merging the files: "$files"
+ git ls-files -u |
+ sed -e 's/^[^ ]* //' |
+ sort -u |
+ while IFS= read i
do
printf "\n"
merge_file "$i" < /dev/tty > /dev/tty