From fec9a8391bf363d6082e07dad8f616c81ec5cf34 Mon Sep 17 00:00:00 2001
From: Connor Olding <cloningdonor@gmail.com>
Date: Wed, 26 Aug 2020 08:37:45 +0200
Subject: [PATCH] add simple backup functions

---
 home/-shrc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/home/-shrc b/home/-shrc
index 17f9fbd..aba0f89 100644
--- a/home/-shrc
+++ b/home/-shrc
@@ -170,6 +170,24 @@ pegg() {
     pippy "https://github.com/$1/$2/tarball/${3:-master}#egg=$2"
 }
 
+bak() {
+    if [ -s "$1.bak" ]; then
+        bak "$1.bak"
+    fi
+    cp -p "$1" "$1.bak"
+}
+
+baks() {  # backup, timestamped
+    local fp="$1"
+    local now="$(date -u '+%y-%m-%d_%H-%M-%S')"
+    local bak="$fp.$now.bak"
+    if [ -s "$bak" ]; then
+        echo "how in the hell? $bak already exists" >&2
+        return
+    fi
+    cp -p "$fp" "$bak"
+}
+
 # sources {{{1
 
 if [ $FANCY -eq 1 ]; then