diff --git a/git-bisect-script b/git-bisect-script
index 29b25f4..0c5c107 100755
--- a/git-bisect-script
+++ b/git-bisect-script
@@ -58,7 +58,7 @@
 bisect_bad() {
 	bisect_autostart
         case "$#" in 0 | 1) ;; *) usage ;; esac
-	rev=$(git-rev-parse --revs-only --verify --default HEAD "$@") || exit
+	rev=$(git-rev-parse --verify --default HEAD "$@") || exit
 	echo "$rev" > "$GIT_DIR/refs/bisect/bad"
 	bisect_auto_next
 }
@@ -67,7 +67,7 @@
 	bisect_autostart
         case "$#" in
 	0)    revs=$(git-rev-parse --verify HEAD) || exit ;;
-	*)    revs=$(git-rev-parse --revs-only "$@") || exit ;;
+	*)    revs=$(git-rev-parse --revs-only --no-flags "$@") || exit ;;
 	esac
 	for rev in $revs
 	do
diff --git a/git-branch-script b/git-branch-script
index a6dfeaf..0ecbd23 100755
--- a/git-branch-script
+++ b/git-branch-script
@@ -25,7 +25,7 @@
 	head="$2^0" ;;
 esac
 branchname="$1"
-rev=$(git-rev-parse --revs-only --verify "$head") || exit
+rev=$(git-rev-parse --verify "$head") || exit
 
 [ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists"
 
diff --git a/git-log-script b/git-log-script
index 9260f92..5716b29 100755
--- a/git-log-script
+++ b/git-log-script
@@ -1,4 +1,4 @@
 #!/bin/sh
-revs=$(git-rev-parse --revs-only --default HEAD "$@") || exit
+revs=$(git-rev-parse --revs-only --no-flags --default HEAD "$@") || exit
 [ "$revs" ] || die "No HEAD ref"
 git-rev-list --pretty $(git-rev-parse --default HEAD "$@") | LESS=-S ${PAGER:-less}
diff --git a/git-request-pull-script b/git-request-pull-script
index 9190815..ae6cd27 100755
--- a/git-request-pull-script
+++ b/git-request-pull-script
@@ -19,8 +19,8 @@
 [ "$revision" ] || usage
 [ "$url" ] || usage
 
-baserev=`git-rev-parse --verify $revision^0` &&
-headrev=`git-rev-parse --verify $head^0` || exit
+baserev=`git-rev-parse --verify "$revision"^0` &&
+headrev=`git-rev-parse --verify "$head"^0` || exit
 
 echo "The following changes since commit $baserev:"
 git log --max-count=1 --pretty=short "$baserev" |
diff --git a/git-revert-script b/git-revert-script
index dc2dea4..22f2082 100755
--- a/git-revert-script
+++ b/git-revert-script
@@ -10,7 +10,7 @@
 	die "Your working tree is dirty; cannot revert a previous patch." ;;
 esac
 
-rev=$(git-rev-parse --no-flags --verify --revs-only "$@") &&
+rev=$(git-rev-parse --verify "$@") &&
 commit=$(git-rev-parse --verify "$rev^0") || exit
 if git-diff-tree -R -M -p $commit | git-apply --index &&
    msg=$(git-rev-list --pretty=oneline --max-count=1 $commit)