new command: repenme

2 files changed, 19 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index e638c86..9ff8dc6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .DEFAULT_GOAL = install
 
-binaries = penme unpenme
+binaries = penme unpenme repenme
 dependencies = arp-scan
 
 prefix = /usr
diff --git a/repenme b/repenme
new file mode 100644
index 0000000..c2286ea
--- /dev/null
+++ b/repenme
@@ -0,0 +1,18 @@
+#!/bin/sh
+[ "$(id -u)" = 0 ] || exec sudo -- "$0" "$@" || exit
+set -ex
+
+a=/root/.ssh/authorized_keys
+b=$a~penme
+c=$b~repen
+
+[ -f "$a" -a -f "$b" ]
+[ -r "$a" -a -r "$b" ]
+
+mv -f -- "$a" "$c"
+mv -- "$b" "$a"
+mv -- "$c" "$b"
+if [ -t 1 ]
+then
+        diff "$b" "$a"
+fi