Script to bump project version

scripts/version

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+import argparse
+import json
+import pathlib
+import re
+
+PACKAGE_JSON = pathlib.Path("package.json").absolute()
+DJOCKEY_YAML = (pathlib.Path("docs") / "djockey.yaml").absolute()
+
+
+SLOTS = {
+    "major": 0,
+    "minor": 1,
+    "patch": 2,
+}
+
+
+def main():
+    p = argparse.ArgumentParser()
+    g = p.add_subparsers(required=True)
+    sp_major = g.add_parser("bump-major")
+    sp_major.set_defaults(action="major")
+    sp_minor = g.add_parser("bump-minor")
+    sp_minor.set_defaults(action="minor")
+    sp_patch = g.add_parser("bump-patch")
+    sp_patch.set_defaults(action="patch")
+
+    for sp in [sp_major, sp_minor, sp_patch]:
+        sp.add_argument("--dry-run", action="store_true")
+
+    args = p.parse_args()
+
+    current_version = json.loads(PACKAGE_JSON.read_text())["version"]
+    print("Current version:", current_version)
+
+    new_version = bump_semver_minor(current_version, args.action)
+    print("New version:", new_version)
+
+    if not args.dry_run:
+        replace_line(
+            PACKAGE_JSON,
+            re.compile(r'  "version": ".*",'),
+            f'  "version": "{new_version}",',
+        )
+        replace_line(
+            DJOCKEY_YAML, re.compile(r"  version: 0.0.1"), f"  version: {new_version}"
+        )
+
+
+def bump_semver_minor(frm: str, slot: str):
+    parts = [int(p) for p in frm.split(".")]
+    slot = SLOTS[slot]
+    parts[slot] += 1
+
+    for i in range(slot + 1, 3):
+        parts[i] = 0
+
+    return ".".join([str(p) for p in parts])
+
+
+def replace_line(path: pathlib.Path, regex, new_value: str):
+    old_lines = path.read_text().splitlines()
+    new_lines = [new_value if regex.match(line) else line for line in old_lines]
+    path.write_text("\n".join(new_lines) + "\n")
+
+
+if __name__ == "__main__":
+    main()