Fix Windows (WSL) build

package.json

@@ -1,17 +1,19 @@
 {
     "scripts": {
-        "build": "./songs-to-json && pug-pack src && cp Songbook.pdf dist && cp qr-code.svg dist",
+        "postinstall": "patch-package",
+        "build": "node songs-to-json.js && pug-pack src && node -e \"const fs=require('fs');for(const f of ['Songbook.pdf','qr-code.svg'])fs.cpSync(f,'dist/'+f)\"",
         "booklet": "node node_modules/markdown-booklet/src/cli.js build booklet/book.yaml --out booklet/sea-shanties.html",
         "booklet:proof": "node node_modules/markdown-booklet/src/cli.js build booklet/book.yaml --reading --out booklet/proof.html",
         "booklet:single": "node node_modules/markdown-booklet/src/cli.js build booklet/book.yaml --single --out booklet/sea-shanties-single.html",
         "scaleL": "coffee src/transform.coffee scaleL",
-        "dev": "nodemon -w src -w songs -i src/songs.json -i src/by-title.json -e '*' -x npm run build"
+        "dev": "nodemon -w src -w songs -i src/songs.json -i src/by-title.json -e \"*\" -x npm run build"
     },
     "dependencies": {
         "coffeescript": "^2.7.0",
         "markdown-booklet": "chrisglein/markdown-booklet",
         "mathjs": "^11.10.0",
         "nodemon": "^2.0.22",
+        "patch-package": "^8.0.1",
         "pug-pack": "brewingcode/pug-pack"
     }
 }

patches/pug-pack+1.11.0.patch

@@ -0,0 +1,67 @@
+diff --git a/node_modules/pug-pack/lib/build.coffee b/node_modules/pug-pack/lib/build.coffee
+index da9318b..359c63a 100644
+--- a/node_modules/pug-pack/lib/build.coffee
++++ b/node_modules/pug-pack/lib/build.coffee
+@@ -66,13 +66,18 @@ module.exports = self =
+
+         out
+
++      # compile :coffeescript blocks with our bundled compiler, so the build
++      # doesn't depend on pug hoisting jstransformer-coffeescript to top-level
++      coffeescript: (text, options) ->
++        coffeescript.compile text
++
+   # replacement for path.parse(), but in the context of this module
+   parsename: (f) ->
+     parts = path.parse f
+     parts.ext = parts.ext.replace /^\./, ''
+     parts.absfile = path.resolve self.vars.basedir, f
+     parts.absdir = path.resolve self.vars.basedir
+-    parts.srcname = parts.absfile.replace(new RegExp(parts.absdir, 'i'), '').replace(/^\//, '')
++    parts.srcname = path.relative(parts.absdir, parts.absfile).split(path.sep).join('/')
+     self.vars.files[parts.srcname] = parts.absfile
+     parts
+
+@@ -176,23 +181,33 @@ module.exports = self =
+   # 1, for example
+   crawl: (rootDir, skipPug) ->
+     self.vars.basedir = path.resolve rootDir
++    gitOpts = { cwd: self.vars.basedir }
++
++    walkFiles = (dir) ->
++      results = []
++      for entry in fs.readdirSync dir
++        full = path.join dir, entry
++        if fs.statSync(full).isDirectory()
++          results = results.concat walkFiles full
++        else
++          results.push full
++      results
+
+-    execAsync("cd '#{self.vars.basedir}' && git rev-parse --short HEAD").then (stdout) =>
++    execAsync("git rev-parse --short HEAD", gitOpts).then (stdout) =>
+       self.vars.src.GIT_HEAD = stdout.toString().trim()
+-    .catch ->
++    .catch =>
+       self.vars.src.GIT_HEAD = null
+-
+-    if head = self.vars.src.GIT_HEAD
+-      execAsync("cd '#{self.vars.basedir}' && git tag --points-at #{head}").then (stdout) =>
++    .then =>
++      return unless head = self.vars.src.GIT_HEAD
++      execAsync("git tag --points-at #{head}", gitOpts).then (stdout) =>
+         self.vars.src.GIT_TAGS = stdout.toString().split('\n').filter (s) -> s.match(/\S/)
+-      .catch ->
++      .catch =>
+         self.vars.src.GIT_TAGS = []
+-
+-    execAsync("find '#{self.vars.basedir}' -type f -print0").then (stdout) =>
++    .then =>
+       pug_files = []
+       other_files = []
+
+-      stdout.split('\0').forEach (f) =>
++      walkFiles(self.vars.basedir).forEach (f) =>
+         return unless f
+         { name, ext, srcname } = self.parsename f
+         if name.match(/^_/)

songs-to-json.js

@@ -0,0 +1,27 @@
+const fs = require('fs');
+const path = require('path');
+
+const songsDir = 'songs';
+const songs = {};
+const byTitle = {};
+
+for (const f of fs.readdirSync(songsDir)) {
+  if (!/\.txt$/i.test(f)) continue;
+
+  const buf = fs.readFileSync(path.join(songsDir, f));
+  let song = buf.toString('utf8');
+  if (song.includes('\uFFFD')) song = buf.toString('latin1');
+  song = song.replace(/\r\n/g, '\n');
+
+  songs[f] = song;
+
+  const m = song.match(/^T:\s*(.*)/m);
+  if (m) {
+    byTitle[m[1]] = song;
+  } else {
+    console.log('weird song:', f);
+  }
+}
+
+fs.writeFileSync('src/songs.json', JSON.stringify(songs));
+fs.writeFileSync('src/by-title.json', JSON.stringify(byTitle));