Update font version on CI

Author: tonsky

.github/workflows/build.yml

@@ -6,7 +6,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - run: echo ${GITHUB_REF#refs/heads/}
-    - run: echo "version=$(git rev-parse --short $GITHUB_SHA)" >> $GITHUB_ENV
+    - run: echo "version=$(./script/update_version.py)" >> $GITHUB_ENV
     - run: ./script/build.sh
     - uses: actions/upload-artifact@v2
       with:

script/update_version.py

@@ -0,0 +1,33 @@
+#! /usr/bin/env python3
+
+import os, re, subprocess, sys
+
+def version():
+  desc = subprocess.check_output(["git", "describe", "--tags"], cwd = os.path.dirname(__file__)).decode("utf-8") 
+  match = re.match(r"([0-9]+)\.([0-9]+)-([0-9]+)-([a-z0-9]+)", desc)
+  if match:
+    major = int(match.group(1))
+    minor = int(match.group(2)) + int(match.group(3))
+    sha = match.group(4)
+    return (major, minor, sha)
+  else:
+    raise Exception("Can’t parse version from: " + desc)
+
+def update_version(major, minor, src, dst):
+  with open(src, 'r') as f:
+    contents = f.read()
+  contents = re.sub(r"versionMajor\s+=\s+\d+;",
+                    f"versionMajor = {major};",
+                    contents)
+  contents = re.sub(r"versionMinor\s+=\s+\d+;",
+                    f"versionMinor = {minor};",
+                    contents)
+  with open(dst, 'w') as f:
+    f.write(contents)
+
+if __name__ == '__main__':
+  os.chdir(os.path.abspath(os.path.dirname(__file__) + '/..'))
+  (major, minor, sha) = version()
+  update_version(major, minor, 'FiraCode.glyphs', 'FiraCode.glyphs')
+  print(f"{major}.{minor}-{sha}")
+  sys.exit(0)