zsh:alias,functions: Add lowres, crypt-{,u}mount

.config/zsh/plugins/alias.zsh

@@ -86,6 +86,10 @@
 	alias listopts='printf "%s %s\n" "${(kv)options[@]}"'
 	# Launch program independent and detached from shell.
 	alias launch='() { ${aliases[$1]:-$1} "${@[2,-1]}" &>/dev/null &| }'
+	# Launch program after reducing the screen resolution.
+	alias lowres='() {
+		xrandr -s 1920x1080; $1 "${@[2,-1]}"; xrandr -s 3200x1800
+	}'
 	# Create copy with .bkp extension
 	alias bkp='() { for f; do command cp -i "$f"{,.bkp}; done }'
 	# Reverse bkp()

.config/zsh/plugins/functions.zsh

@@ -269,6 +269,30 @@ safe-remove() {
 	udisksctl power-off -b "/dev/$(lsblk -no pkname "$1")"
 }
 
+crypt-mount() {
+	[[ $# -gt 0 ]] || return 1
+	[[ -e "$1" ]] || return 1
+
+	sudo cryptsetup open "$1" crypt_"${1##*/}" || return 1
+	udisksctl mount -b /dev/mapper/crypt_"${1##*/}"
+}
+
+crypt-umount() {
+	[[ $# -gt 0 ]] || return 1
+	[[ -e "$1" ]] || return 1
+
+	sync
+	if ! udisksctl unmount -b /dev/mapper/crypt_"${1##*/}"; then
+		lsof /dev/mapper/crypt_"${1##*/}"
+		return 1
+	fi
+	if ! sudo cryptsetup close crypt_"${1##*/}"; then
+		sudo cryptsetup status crypt_"${1##*/}"
+		return 1
+	fi
+	udisksctl power-off -b "$1"
+}
+
 ## List items in trash if no argument is specified
 function trash() {
 	if (( ! $# )); then