From ba23a7f633d340a943f2ef35b3a2c4c59befb37c Mon Sep 17 00:00:00 2001
From: John Gebbie <me@johngebbie.com>
Date: Wed, 8 Feb 2023 14:05:04 +0000
Subject: [PATCH] add --version

---
 bin/tiles  | 9 ++++++---
 install.sh | 2 ++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/bin/tiles b/bin/tiles
index 40399ea..eb2f646 100755
--- a/bin/tiles
+++ b/bin/tiles
@@ -1,13 +1,15 @@
 #!/bin/sh
+version=PLACEHOLDER
 usage() {
 	echo 'Starts/stops the tiles desktop environment.
 Example: Start a session from the virtual console: startx /usr/bin/tiles
 
---quit    Terminate the session.
---start   Start a session, the default.' >&2
+--quit       Terminate the session.
+--start      Start a session, the default.
+--version    Print the version and exit.' >&2
 }
 
-args="$(getopt -n tiles -o h -l help,quit,start -- "$@")" || exit
+args="$(getopt -n tiles -o h -l help,quit,start,version -- "$@")" || exit
 eval set -- "$args"
 mode=start
 while :; do
@@ -15,6 +17,7 @@ while :; do
 	-h|--help) usage; exit;;
 	--quit) mode=quit; shift;;
 	--start) mode=start; shift;;
+	--version) printf %s\\n "$version"; exit;;
 	--) shift; break;;
 	esac
 done
diff --git a/install.sh b/install.sh
index 53ee6e1..4af1c55 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 # ./install.sh [DESTDIR] [BINDIR]
+: "${TILES_VERSION="$(git describe --long --abbrev=12 --tags --dirty 2>/dev/null || echo 0.1)"}"
 
 if ! command -v scdoc >/dev/null; then
 	echo 'you need the scdoc command (for compiling the manpage)'
@@ -9,6 +10,7 @@ fi
 bin="$1/${2:-usr/local/bin}"
 mkdir -p "$bin" || exit
 cp bin/* "$bin" || exit
+sed "s/^version=PLACEHOLDER$/version=$TILES_VERSION/" bin/tiles > "$bin/tiles" || exit
 
 cc -o "$bin/tiles-shell" tiles-shell.c || exit
 ln -sf "$bin/tiles-shell" "$1/usr/bin/tiles-shell" 2>/dev/null
-- 
2.38.5