update-index: do not die too early in a read-only repository.

diff --git a/git-commit.sh b/git-commit.sh
index d8c236b24039a20c9490d86e96bba39edddde7c9..cfa15110f6d7b11c7f778a3ef7ebbc034ce4d877 100755 (executable)
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -13,10 +13,10 @@ git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
 case "$0" in
 *status)
        status_only=t
-       unmerged_ok_if_status=--unmerged ;;
+       ;;
 *commit)
        status_only=
-       unmerged_ok_if_status= ;;
+       ;;
 esac
 
 refuse_partial () {
@@ -389,16 +389,17 @@ else
        USE_INDEX="$THIS_INDEX"
 fi
 
-GIT_INDEX_FILE="$USE_INDEX" \
-       git-update-index -q $unmerged_ok_if_status --refresh || exit
-
-################################################################
-# If the request is status, just show it and exit.
-
-case "$0" in
-*status)
+case "$status_only" in
+t)
+       # This will silently fail in a read-only repository, which is
+       # what we want.
+       GIT_INDEX_FILE="$USE_INDEX" git-update-index -q --unmerged --refresh
        run_status
        exit $?
+       ;;
+'')
+       GIT_INDEX_FILE="$USE_INDEX" git-update-index -q --refresh || exit
+       ;;
 esac
 
 ################################################################
@@ -429,7 +430,7 @@ then
        fi
 elif test "$use_commit" != ""
 then
-       encoding=$(git repo-config i18n.commitencoding || echo UTF-8)
+       encoding=$(git config i18n.commitencoding || echo UTF-8)
        git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
        sed -e '1,/^$/d' -e 's/^    //'
 elif test -f "$GIT_DIR/MERGE_MSG"
@@ -442,8 +443,11 @@ fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 
 case "$signoff" in
 t)
+       need_blank_before_signoff=
+       tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG |
+       grep 'Signed-off-by:' >/dev/null || need_blank_before_signoff=yes
        {
-               echo
+               test -z "$need_blank_before_signoff" || echo
                git-var GIT_COMMITTER_IDENT | sed -e '
                        s/>.*/>/
                        s/^/Signed-off-by: /
@@ -485,7 +489,7 @@ then
                q
        }
        '
-       encoding=$(git repo-config i18n.commitencoding || echo UTF-8)
+       encoding=$(git config i18n.commitencoding || echo UTF-8)
        set_author_env=`git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
        LANG=C LC_ALL=C sed -ne "$pick_author_script"`
        eval "$set_author_env"
@@ -525,6 +529,7 @@ else
        rloga='commit (initial)'
        current=''
 fi
+set_reflog_action "$rloga"
 
 if test -z "$no_edit"
 then
@@ -599,7 +604,7 @@ then
        fi &&
        commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
        rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
-       git-update-ref -m "$rloga: $rlogm" HEAD $commit "$current" &&
+       git-update-ref -m "$GIT_REFLOG_ACTION: $rlogm" HEAD $commit "$current" &&
        rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" &&
        if test -f "$NEXT_INDEX"
        then