From 586a57b7610c1c8473959d464e03ff4723b4045c Mon Sep 17 00:00:00 2001
From: Jeremy Kaplan <jeremy.kaplan@gusto.com>
Date: Wed, 14 Oct 2020 10:51:25 -0700
Subject: [PATCH] bin: Support old bash in git-branch-prune

---
 bin/git-branch-prune | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/bin/git-branch-prune b/bin/git-branch-prune
index bb7b399..289f1e6 100755
--- a/bin/git-branch-prune
+++ b/bin/git-branch-prune
@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 
-export USAGE='<remote>
+export USAGE='<remote> [-f]
+
+Flags:
+    -f, --force    Prune branches without confirmation
 '
 
 # This is the recommended pattern from `man git-sh-setup`.
@@ -26,14 +29,13 @@ while [[ $# -gt 0 ]]; do
             ;;
     esac
 done
-set -- "${POSITIONAL[@]}"
 
-case "$#" in
+case "${#POSITIONAL[@]}" in
     0)
         remote='origin'
         ;;
     1)
-        remote="$1"
+        remote="${POSITIONAL[0]}"
         ;;
     *) usage ;;
 esac