From 2a988d33c5e48a2e4a6d004df84628890bb41f29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 27 Jul 2021 22:33:03 +0200
Subject: vipatch: Edit given file

---
 bin/vipatch | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'bin')

diff --git a/bin/vipatch b/bin/vipatch
index d860f93..ecb45c9 100755
--- a/bin/vipatch
+++ b/bin/vipatch
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -f
 
 # vipatch -- edit unified diff
 
@@ -6,7 +6,15 @@
 # a patch generated by diff -u, depending on the actual
 # number of added/removed lines.
 
-ep | awk -vname=${0##*/} '
+IFS=''
+
+tmp=$(mktemp /tmp/vipatch.XXXXXX)
+trap 'rm $tmp; trap -' INT QUIT EXIT
+
+cat $1 > $tmp
+${EDITOR:-vi} $tmp </dev/tty >/dev/tty
+
+cat $tmp | awk -vname=${0##*/} '
 /^@@ /			{ if (head) printpatch(); head = $0 "\n"; next }
 head && /^---/		{ print; next }
 head && /^\+\+\+/	{ print; next }
@@ -47,4 +55,4 @@ function printpatch() {
 function abs(n) {
 	return (n > 0) ? n : -n;
 }
-'
+' | { [ -z "$1" ] && cat || cat > $1; }
-- 
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