Update README and version

README.md

@@ -1,5 +1,6 @@
 # xkcdlock
-A wrapper around screen lockers to display xkcd images
+A wrapper around screen lockers to display xkcd images  
+Currently supported are i3lock and swaylack
 
 Depending on the given arguments xkcdlock shows a random image, the latest
 image or an image of choice.
@@ -9,11 +10,8 @@ If the download fails it falls back to a specific hard-coded image
 
 Builtin is a function to download all images.
 
-Dependencies: rbash, i3lock, xrandr, awk, curl,
-              convert (from imagick)
+## Dependencies
+rbash, xrandr, awk, curl, convert (from imagick)
 
-Use 'xkcdlock -h' to show the command help.
-
-In order to use the xkcd font for the image number overlay,
-you need to download it from here: https://github.com/ipython/xkcd-font
-and put the xkcd.otf in your font path, e.g. /usr/share/fonts
+## Usage
+Use ```'xkcdlock -h``` to show the command help.

xkcdlock

@@ -22,9 +22,6 @@
 # Thanks to Michael Stapelberg for an awesome window manager - i3
 #
 # TODO:
-# - Make sure we do not exceed screen boundaries in x and y
-# - Improve tooltip text border overflow prevention
-#   wrt display resolution (and font size?)
 # - Add support for other screen lockers
 # - Parallelize downloads
 
@@ -48,6 +45,9 @@ BG_COLOUR="white"
 # Break tooltip every x char to prevent border overflow
 TOOLTIP_MAX_LINE_LEN=100
 
+# git rev-list --count HEAD
+VERSION=19
+
 # Reduce image size by x pixels in x and y dimension
 # so that the tooltip does not overlay image
 IMAGE_PADDING_PX=100
@@ -83,16 +83,22 @@ get_script_path() {
 }
 
 show_help() {
-    printf "\n xkcd_lock v1\n\n\
+    printf "\n xkcdlock ${VERSION}\n\n\
  Available options are:\n\n \
    -d  download images to current working directory\n \
    -h  show this help\n \
    -i  show specific image file - overrides '-m'\n \
    -l  lock program: one of i3lock/swaylock\n \
    -m  latest|random                                   default: random\n \
-   -v  be verbose\n\n"
+   -v  be verbose\n \
+   -V  show version\n\n"
 }
 
+show_version() {
+    printf "\n xkcdlock ${VERSION}\n\n"
+}
+
+
 check_dependencies() {
     for i in "${DEPS[@]}"
     do
@@ -324,7 +330,7 @@ main() {
     local locker=$(which $LOCK_BIN)
     local OPTIND
 
-    while getopts "h?i:l:vm:dy" opt; do
+    while getopts "h?i:l:vVm:dy" opt; do
         case "$opt" in
         d)
             printf "%s${DOWNLOAD_DISCLAIMER}"
@@ -353,6 +359,10 @@ main() {
         v)
             VERBOSE=1
             ;;
+        V)
+            show_version
+            exit 0
+            ;;
         y)
             r=$(xkcd_get_all_images)
             exit 0