Don't find objects in packs which aren't available anymore.

diff --git a/git-commit.sh b/git-commit.sh
index 6f4dcdbcccd4355a01218db7de3081e91bba102c..dc0fc3b679c78f2a1884658d556cc888a6d3e441 100755 (executable)
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2005 Linus Torvalds
 # Copyright (c) 2006 Junio C Hamano
 
-USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>] [-u] [--amend] [-e] [--author <author>] [[-i | -o] <path>...]'
+USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [[-i | -o] <path>...]'
 SUBDIRECTORY_OK=Yes
 . git-sh-setup
 require_work_tree
@@ -284,9 +284,9 @@ esac
 
 case "$log_given" in
 tt*)
-       die "Only one of -c/-C/-F can be used." ;;
+       die "Only one of -c/-C/-F/--amend can be used." ;;
 *tm*|*mt*)
-       die "Option -m cannot be combined with -c/-C/-F." ;;
+       die "Option -m cannot be combined with -c/-C/-F/--amend." ;;
 esac
 
 case "$#,$also,$only,$amend" in
@@ -429,7 +429,7 @@ 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 "$GIT_DIR/MERGE_MSG"
@@ -442,8 +442,11 @@ fi | git-stripspace >"$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 "$need_blank_before_signoff" || echo
                git-var GIT_COMMITTER_IDENT | sed -e '
                        s/>.*/>/
                        s/^/Signed-off-by: /
@@ -485,7 +488,7 @@ then
                q
        }
        '
-       encoding=$(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"