Script for upgrading version (#15)

scripts/update_version.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+
+import re
+import sys
+import subprocess
+
+VERSION_MATCHER = re.compile(r'^version = "([^"]+)\.([^"]+)\.([^"]+)"$')
+
+def run(args, cwd="."):
+    print("%s => %s" % (cwd, args))
+    subprocess.check_call(args, cwd=cwd)
+
+def update_version(path, new_version):
+    with open(path, "r") as f:
+        contents = f.read().splitlines()
+
+    in_package = False
+
+    for i, line in enumerate(contents):
+        if line.startswith("["):
+            in_package = line == "[package]"
+        elif in_package:
+            match = VERSION_MATCHER.match(line)
+
+            if match:
+                old_version = tuple([int(x) for x in match.groups()])
+                assert new_version > old_version, "New version should be greater than the old version"
+                contents[i] = 'version = "{}"'.format(".".join(str(x) for x in new_version))
+
+    with open(path, "w") as f:
+        f.write("\n".join(contents))
+
+def main():
+    if len(sys.argv) < 2:
+        raise Exception("No version specified")
+
+    try:
+        new_version = tuple([int(x) for x in sys.argv[1].split(".")])
+        assert len(new_version) == 3
+    except:
+        raise Exception("Invalid version specification")
+
+    update_version("Cargo.toml", new_version)
+
+    run(["make", "check", "test"])
+
+    # a github action will pickup this tag push and create a release
+    new_version_str = "v{}".format(".".join(str(x) for x in new_version))
+    run(["git", "commit", "-a", "-m", new_version_str])
+    run(["git", "tag", "-a", new_version_str, "-m", new_version_str])
+    run(["git", "push", "origin", new_version_str])
+    run(["cargo", "publish"])
+
+if __name__ == "__main__":
+    main()