require_work_tree
# Returns true if the mode reflects a symlink
-function is_symlink () {
+is_symlink () {
test "$1" = 120000
}
-function local_present () {
+local_present () {
test -n "$local_mode"
}
-function remote_present () {
+remote_present () {
test -n "$remote_mode"
}
-function base_present () {
+base_present () {
test -n "$base_mode"
}
fi
}
-function describe_file () {
+describe_file () {
mode="$1"
branch="$2"
file="$3"
- echo -n " "
+ printf " {%s}: " "$branch"
if test -z "$mode"; then
- echo -n "'$path' was deleted"
+ echo "deleted"
elif is_symlink "$mode" ; then
- echo -n "'$path' is a symlink containing '"
- cat "$file"
- echo -n "'"
+ echo "a symbolic link -> '$(cat "$file")'"
else
if base_present; then
- echo -n "'$path' was created"
+ echo "modified"
else
- echo -n "'$path' was modified"
+ echo "created"
fi
fi
- echo " in the $branch branch"
}
resolve_symlink_merge () {
- while /bin/true; do
- echo -n "Use (r)emote or (l)ocal, or (a)bort? "
+ while true; do
+ printf "Use (l)ocal or (r)emote, or (a)bort? "
read ans
case "$ans" in
[lL]*)
cleanup_temp_files --save-backup
return
;;
- [rR]*)
+ [rR]*)
git-checkout-index -f --stage=3 -- "$path"
git-add -- "$path"
cleanup_temp_files --save-backup
return
;;
- [qQ]*)
+ [aA]*)
exit 1
;;
esac
}
resolve_deleted_merge () {
- while /bin/true; do
- echo -n "Use (m)odified or (d)eleted file, or (a)bort? "
+ while true; do
+ if base_present; then
+ printf "Use (m)odified or (d)eleted file, or (a)bort? "
+ else
+ printf "Use (c)reated or (d)eleted file, or (a)bort? "
+ fi
read ans
case "$ans" in
- [mM]*)
+ [mMcC]*)
git-add -- "$path"
cleanup_temp_files --save-backup
return
;;
- [dD]*)
- git-rm -- "$path"
+ [dD]*)
+ git-rm -- "$path" > /dev/null
cleanup_temp_files
return
;;
- [qQ]*)
+ [aA]*)
exit 1
;;
esac
done
}
-merge_file () {
- path="$1"
+check_unchanged () {
+ if test "$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 "$answer" in
+ y*|Y*) status=0; break ;;
+ n*|N*) status=1; break ;;
+ esac
+ done
+ fi
+}
- if test ! -f "$path" ; then
- echo "$path: file not found"
- exit 1
+save_backup () {
+ if test "$status" -eq 0; then
+ mv -- "$BACKUP" "$path.orig"
fi
+}
+
+remove_backup () {
+ if test "$status" -eq 0; then
+ rm "$BACKUP"
+ fi
+}
+
+merge_file () {
+ path="$1"
f=`git-ls-files -u -- "$path"`
if test -z "$f" ; then
- echo "$path: file does not need merging"
+ if test ! -f "$path" ; then
+ echo "$path: file not found"
+ else
+ echo "$path: file does not need merging"
+ fi
exit 1
fi
remote_present && git cat-file blob ":3:$path" > "$REMOTE" 2>/dev/null
if test -z "$local_mode" -o -z "$remote_mode"; then
- echo "Deleted merge conflict for $path:"
+ echo "Deleted merge conflict for '$path':"
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 "Symlink merge conflict for $path:"
+ echo "Symbolic link merge conflict for '$path':"
describe_file "$local_mode" "local" "$LOCAL"
describe_file "$remote_mode" "remote" "$REMOTE"
resolve_symlink_merge
return
fi
- echo "Normal merge conflict for $path:"
+ echo "Normal merge conflict for '$path':"
describe_file "$local_mode" "local" "$LOCAL"
describe_file "$remote_mode" "remote" "$REMOTE"
- echo -n "Hit return to start merge resolution tool ($merge_tool): "
+ printf "Hit return to start merge resolution tool (%s): " "$merge_tool"
read ans
case "$merge_tool" in
-o "$path" -- "$LOCAL" "$REMOTE" > /dev/null 2>&1)
fi
status=$?
- if test "$status" -eq 0; then
- rm "$BACKUP"
- fi
+ remove_backup
;;
tkdiff)
if base_present ; then
tkdiff -o "$path" -- "$LOCAL" "$REMOTE"
fi
status=$?
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
- fi
+ save_backup
;;
- meld)
+ meld|vimdiff)
touch "$BACKUP"
- meld -- "$LOCAL" "$path" "$REMOTE"
- if test "$path" -nt "$BACKUP" ; then
- status=0;
- else
- while true; do
- echo "$path seems unchanged."
- echo -n "Was the merge successful? [y/n] "
- read answer < /dev/tty
- case "$answer" in
- y*|Y*) status=0; break ;;
- n*|N*) status=1; break ;;
- esac
- done
- fi
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
- fi
+ $merge_tool -- "$LOCAL" "$path" "$REMOTE"
+ check_unchanged
+ save_backup
;;
xxdiff)
touch "$BACKUP"
-R 'Accel.SearchForward: "Ctrl-G"' \
--merged-file "$path" -- "$LOCAL" "$REMOTE"
fi
- if test "$path" -nt "$BACKUP" ; then
- status=0;
+ check_unchanged
+ save_backup
+ ;;
+ opendiff)
+ touch "$BACKUP"
+ if base_present; then
+ opendiff "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$path" | cat
else
- while true; do
- echo "$path seems unchanged."
- echo -n "Was the merge successful? [y/n] "
- read answer < /dev/tty
- case "$answer" in
- y*|Y*) status=0; break ;;
- n*|N*) status=1; break ;;
- esac
- done
- fi
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
+ opendiff "$LOCAL" "$REMOTE" -merge "$path" | cat
fi
+ check_unchanged
+ save_backup
;;
emerge)
if base_present ; then
emacs -f emerge-files-command "$LOCAL" "$REMOTE" "$path"
fi
status=$?
- if test "$status" -eq 0; then
- mv -- "$BACKUP" "$path.orig"
- fi
+ save_backup
;;
esac
if test "$status" -ne 0; then
if test -z "$merge_tool"; then
merge_tool=`git-config merge.tool`
- if test $merge_tool = kdiff3 -o $merge_tool = tkdiff -o \
- $merge_tool = xxdiff -o $merge_tool = meld ; then
- unset merge_tool
- fi
+ case "$merge_tool" in
+ kdiff3 | tkdiff | xxdiff | meld | opendiff | emerge | vimdiff | "")
+ ;; # happy
+ *)
+ echo >&2 "git config option merge.tool set to unknown tool: $merge_tool"
+ echo >&2 "Resetting to default..."
+ unset merge_tool
+ ;;
+ esac
fi
if test -z "$merge_tool" ; then
merge_tool=xxdiff
elif type meld >/dev/null 2>&1 && test -n "$DISPLAY"; then
merge_tool=meld
+ elif type opendiff >/dev/null 2>&1; then
+ merge_tool=opendiff
elif type emacs >/dev/null 2>&1; then
merge_tool=emerge
+ elif type vimdiff >/dev/null 2>&1; then
+ merge_tool=vimdiff
else
echo "No available merge resolution programs available."
exit 1
fi
case "$merge_tool" in
- kdiff3|tkdiff|meld|xxdiff)
+ kdiff3|tkdiff|meld|xxdiff|vimdiff|opendiff)
if ! type "$merge_tool" > /dev/null 2>&1; then
echo "The merge tool $merge_tool is not available"
exit 1
echo Merging the files: $files
git ls-files -u | sed -e 's/^[^ ]* //' | sort -u | while read i
do
- echo ""
+ printf "\n"
merge_file "$i" < /dev/tty > /dev/tty
done
else
while test $# -gt 0; do
- echo ""
+ printf "\n"
merge_file "$1"
shift
done