release workflow (#74)

* feat: release workflow

* fix: sed expr, shellcheck errors, correct branch

README.md

@@ -19,7 +19,8 @@ Each release is automatically published to [bismuthsoft.github.io/super_rogue][w
 
 ### Pre-built for Linux, Windows
 
-See our [releases page](https://github.com/bismuthsoft/super_rogue/releases) for downloads targeting Windows, Linux, and more!
+See our [releases page][releases] for downloads targeting Windows, Linux, and
+more!
 
 *(Mac users, please consider downloading the `.love` file or playing [the web version][web].)*
 
@@ -73,3 +74,12 @@ To run tests and run the desktop version of the game upon code change, try this
 ```
 find src | entr -r sh -c 'nix run .#super_rogue.test && nix run .#super_rogue.desktop'
 ```
+### Release checklist
+
+1. Run `./scripts/release`.  Fill out the blanks.
+2. Verify the [Release GitHub Action][github release action] completed.
+3. Update the newly crafted [release entry][releases] with a description of changes.
+
+[github release action]: https://github.com/bismuthsoft/super_rogue/actions/workflows/release.yml
+
+[releases]: https://github.com/bismuthsoft/super_rogue/releases

scripts/release

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+set -eu -o pipefail
+
+# TODO: Work without admin / bypass push rules
+
+DEFAULT_BRANCH=master
+
+matchver() {
+    # shellcheck disable=SC2319
+    [[ $1 =~ v([0-9]+)\.([0-9]+)\.([0-9]+) ]] || return $?
+    patch=${BASH_REMATCH[3]}
+    minor=${BASH_REMATCH[2]}
+    major=${BASH_REMATCH[1]}
+}
+
+fmtver() {
+    local maj min pat
+    maj=$1
+    min=$2
+    pat=$3
+    printf 'v%s.%s.%s' "$maj" "$min" "$pat"
+}
+
+prompt() {
+    read -re -p "$* "
+    echo "$REPLY"
+}
+
+panic() {
+    printf 'ERR %s\n' >&2 "$*"
+    exit 1
+}
+
+################################################################
+
+if [[ $(git status -s) ]]; then
+    panic 'Dirty work tree'
+fi
+
+if [[ $(git branch --show-current) != "$DEFAULT_BRANCH" ]]; then
+    panic "Please run git switch $DEFAULT_BRANCH"
+fi
+
+if ! latest=$(git describe --tags --match="v[0-9]*" --abbrev=0 HEAD); then
+    panic 'Could not detect a recent version tag!'
+fi
+
+if ! matchver "$latest"; then
+    panic 'Could not extract version components'
+fi
+
+if ! ver=$(prompt 'Latest version is' "$(fmtver "$major" "$minor" "$patch")." ' Next version?'); then
+    panic 'Could not get next version'
+fi
+
+if ! matchver "$ver"; then
+    panic 'Invalid version inputted.'
+fi
+
+
+if ! [[ $latest < $ver ]]; then
+    panic "$ver < $latest!  Need a version that lexicographically sorts after $latest."
+fi
+
+if ! name=$(prompt '(Nick)name for this release.  Make it fun!'); then
+    panic 'Could not get name'
+fi
+
+sed -i''\
+    -e "s,:version \".*\",:version \"$ver\"," \
+    -e "s,:name \".*\",:name \"$name\"," \
+    src/version.fnl
+
+git add src/version.fnl
+git commit -m "release: $ver - $name"
+git tag "$ver"
+
+prompt 'Everything look right?  Type Control-c to cancel.'
+
+git push origin "$DEFAULT_BRANCH"
+git push origin "$ver"
+
+echo 'Check https://github.com/bismuthsoft/super_rogue/actions/workflows/release.yml'
+echo "Then edit https://github.com/bismuthsoft/super_rogue/releases/tag/$ver"

src/scenes/menu.fnl

@@ -1,4 +1,5 @@
 (import-macros {: vec2-op} :geom-macros)
+(local version (require :version))
 (local geom (require :geom))
 (local util (require :util))
 (local draw (require :draw))
@@ -20,7 +21,7 @@
 
 (fn menu.draw [s]
   (love.graphics.setColor [1 1 1 1])
-  (love.graphics.print "Super Rogue 0.1.0 - JamFix" 300 100)
+  (love.graphics.print (string.format "Super Rogue %s - %s" version.version version.name) 300 100)
   (love.graphics.setColor [.7 .7 .7 1])
   (love.graphics.print "By 44100hz & winny" 300 150)
   (when (not= 0 (% (lume.round s.time) 5))

src/version.fnl

@@ -0,0 +1,2 @@
+{:version "0.1.0"
+ :name "JamFix"}