include agent identifier in capability string

diff --git a/git-mergetool.sh b/git-mergetool.sh
index 0a06bde843a3a048a5276bd8d9af8accfa8f11e6..a9f23f7fcdff610f2b206bc121db7c9217bbf0c7 100755 (executable)
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -72,7 +72,7 @@ describe_file () {
 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"
@@ -100,7 +100,7 @@ resolve_deleted_merge () {
        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"
@@ -122,7 +122,7 @@ resolve_deleted_merge () {
 resolve_submodule_merge () {
     while true; do
        printf "Use (l)ocal or (r)emote, or (a)bort? "
-       read ans
+       read ans || return 1
        case "$ans" in
            [lL]*)
                if ! local_present; then
@@ -181,10 +181,14 @@ stage_submodule () {
 }
 
 checkout_staged_file () {
-    tmpfile=$(expr "$(git checkout-index --temp --stage="$1" "$2")" : '\([^    ]*\)    ')
+    tmpfile=$(expr \
+           "$(git checkout-index --temp --stage="$1" "$2" 2>/dev/null)" \
+           : '\([^     ]*\)    ')
 
     if test $? -eq 0 -a -n "$tmpfile" ; then
        mv -- "$(git rev-parse --show-cdup)$tmpfile" "$3"
+    else
+       >"$3"
     fi
 }
 
@@ -224,9 +228,9 @@ merge_file () {
     mv -- "$MERGED" "$BACKUP"
     cp -- "$BACKUP" "$MERGED"
 
-    base_present   && checkout_staged_file 1 "$MERGED" "$BASE"
-    local_present  && checkout_staged_file 2 "$MERGED" "$LOCAL"
-    remote_present && checkout_staged_file 3 "$MERGED" "$REMOTE"
+    checkout_staged_file 1 "$MERGED" "$BASE"
+    checkout_staged_file 2 "$MERGED" "$LOCAL"
+    checkout_staged_file 3 "$MERGED" "$REMOTE"
 
     if test -z "$local_mode" -o -z "$remote_mode"; then
        echo "Deleted merge conflict for '$MERGED':"
@@ -249,7 +253,7 @@ merge_file () {
     describe_file "$remote_mode" "remote" "$REMOTE"
     if "$prompt" = true; then
        printf "Hit return to start merge resolution tool (%s): " "$merge_tool"
-       read ans
+       read ans || return 1
     fi
 
     if base_present; then
@@ -320,7 +324,7 @@ done
 prompt_after_failed_merge() {
     while true; do
        printf "Continue merging other unresolved paths (y/n) ? "
-       read ans
+       read ans || return 1
        case "$ans" in
 
            [yY]*)