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diff --git a/git-mergetool.sh b/git-mergetool.sh
index 94187c306ccb05d977f2bb35e81828130ab49a61..085e213a126e5864befc8e3436832ae3c587a624 100755 (executable)
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
# 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
-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"
}
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"
echo "deleted"
elif is_symlink "$mode" ; then
echo "a symbolic link -> '$(cat "$file")'"
+ elif is_submodule "$mode" ; then
+ echo "submodule commit $file"
else
if base_present; then
- echo "modified"
+ echo "modified file"
else
- echo "created"
+ echo "created file"
fi
fi
}
resolve_symlink_merge () {
while true; do
printf "Use (l)ocal or (r)emote, or (a)bort? "
- read ans
+ read ans || return 1
case "$ans" in
[lL]*)
git checkout-index -f --stage=2 -- "$MERGED"
git add -- "$MERGED"
cleanup_temp_files --save-backup
- return
+ return 0
;;
[rR]*)
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
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"
cleanup_temp_files --save-backup
- return
+ return 0
;;
[dD]*)
git rm -- "$MERGED" > /dev/null
cleanup_temp_files
- return
+ return 0
;;
[aA]*)
- exit 1
+ return 1
;;
esac
done
}
-check_unchanged () {
- if test "$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 "$MERGED: file not found"
else
echo "$MERGED: file does not need merging"
fi
- exit 1
+ return 1
fi
ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')"
REMOTE="./$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 '$MERGED':"
echo "Normal merge conflict for '$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
- ("$merge_tool_path" --auto --L1 "$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=$?
- ;;
- meld|vimdiff)
- touch "$BACKUP"
- "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"
- check_unchanged
- ;;
- gvimdiff)
- touch "$BACKUP"
- "$merge_tool_path" -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 "$status" -ne 0; then
+ if "$prompt" = true; then
+ printf "Hit return to start merge resolution tool (%s): " "$merge_tool"
+ read ans || return 1
+ fi
+
+ if base_present; then
+ present=true
+ else
+ present=false
+ fi
+
+ if ! run_merge_tool "$merge_tool" "$present"; then
echo "merge of $MERGED failed" 1>&2
mv -- "$BACKUP" "$MERGED"
- exit 1
+
+ if test "$merge_keep_temporaries" = "false"; then
+ cleanup_temp_files
+ fi
+
+ return 1
fi
if test "$merge_keep_backup" = "true"; then
git add -- "$MERGED"
cleanup_temp_files
+ return 0
}
+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
-valid_custom_tool()
-{
- merge_tool_cmd="$(git config mergetool.$1.cmd)"
- test -n "$merge_tool_cmd"
-}
+prompt_after_failed_merge() {
+ while true; do
+ printf "Continue merging other unresolved paths (y/n) ? "
+ read ans || return 1
+ case "$ans" in
-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
-}
+ [yY]*)
+ return 0
+ ;;
-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=$1
- ;;
- esac
- fi
+ [nN]*)
+ return 1
+ ;;
+ esac
+ done
}
-
if test -z "$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 "$DISPLAY"; then
- merge_tool_candidates="kdiff3 tkdiff xxdiff meld gvimdiff"
- if test -n "$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
- 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
+last_status=0
+rollup_status=0
+files=
+
+if test $# -eq 0 ; then
+ cd_to_toplevel
+
+ if test -e "$GIT_DIR/MERGE_RR"
+ then
+ files=$(git rerere remaining)
+ else
+ files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u)
fi
else
- if ! valid_tool "$merge_tool"; then
- echo >&2 "Unknown merge_tool $merge_tool"
- exit 1
- fi
+ files=$(git ls-files -u -- "$@" | sed -e 's/^[^ ]* //' | sort -u)
+fi
- init_merge_tool_path "$merge_tool"
+if test -z "$files" ; then
+ echo "No files need merging"
+ exit 0
+fi
- merge_keep_backup="$(git config --bool merge.keepBackup || echo true)"
+printf "Merging:\n"
+printf "$files\n"
- if test -z "$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
+IFS='
+'
+for i in $files
+do
+ if test $last_status -ne 0; then
+ prompt_after_failed_merge || exit 1
fi
-
- if ! test -z "$merge_tool_cmd"; then
- merge_tool_trust_exit_code="$(git config --bool mergetool.$merge_tool.trustExitCode || echo false)"
+ printf "\n"
+ merge_file "$i"
+ last_status=$?
+ if test $last_status -ne 0; then
+ rollup_status=1
fi
-fi
-
+done
-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
- fi
- 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
- done
-else
- while test $# -gt 0; do
- printf "\n"
- merge_file "$1"
- shift
- done
-fi
-exit 0
+exit $rollup_status