mounting script

dotfiles-old/bin/mnt

@@ -0,0 +1,34 @@
+#!/bin/sh
+set -e
+
+DEV="/dev"
+MNT="/mnt"
+
+# preliminary checks
+[ -n "$2" ] || [ -z "$1" ] \
+	&& printf "Usage: %b [device in %b/]" "$0" "$DEV" >>/dev/stderr \
+	&& exit 1 \
+	|| true
+! [ "$(id -u)" = 0 ] \
+	&& printf "%b: This script must be run as root.\n" "$0" >>/dev/stderr \
+	&& exit 1 \
+	|| true
+
+# exhaustive checks to ensure $DEV/$1 exists and that $MNT/$1 can be safely used as a mountpoint
+! [ -d "$MNT/$1" ] && [ -a "$MNT/$1" ] \
+	&& printf "%b: '%b/%b' already exists, but isn't a directory.\n" "$0" "$MNT" "$1" >>/dev/stderr \
+	&& exit 1 \
+	|| true
+[ -d "$MNT/$1" ] \
+	|| mkdir "$MNT/$1"
+! [ "$(ls -A "$MNT/$1" | wc -c)" = 0 ] \
+	&& printf "%b: '%b/%b' is a directory, but isn't empty.\n" "$0" "$MNT" "$1" >>/dev/stderr \
+	&& exit 1 \
+	|| true
+! [ -e "/dev/$1" ] \
+	&& printf "%b: '%b/%b' doesn't exist.\n" "$0" "$DEV" "$1" >>/dev/stderr \
+	&& exit 1 \
+	|| true
+
+# ok, we're safe
+mount "$DEV/$1" "$MNT/$1"

dotfiles-old/manifest_file

@@ -18,5 +18,6 @@
 .config/i3status/config
 bin/data
 bin/displaym
+bin/mnt
 bin/volume
 src/dmenu/config.h