#!/usr/bin/env python3
"""Generate version metadata for GitHub Pages.
Generates release.json, commits.json, and index.html.
"""
import json
import subprocess
import sys
from pathlib import Path
def generate_release_json(output_dir: Path) -> None:
"""Generate release.json with latest release information."""
# Get latest tag - fail if none exists
result = subprocess.run(
["git", "describe", "--tags", "--abbrev=0"],
capture_output=True,
text=True,
)
if result.returncode != 0:
print("ERROR: No tags found. Run this after creating a release.", file=sys.stderr)
sys.exit(1)
latest_tag = result.stdout.strip()
latest_commit = subprocess.check_output(
["git", "rev-list", "-n", "1", latest_tag], text=True
).strip()
latest_commit_short = latest_commit[:7]
latest_commit_time = subprocess.check_output(
["git", "show", "-s", "--format=%cI", latest_commit], text=True
).strip()
published_at = subprocess.check_output(
["git", "show", "-s", "--format=%cI", latest_tag], text=True
).strip()
version = latest_tag[1:] if latest_tag.startswith("v") else latest_tag
release_info = {
"tag_name": latest_tag,
"version": version,
"commit": latest_commit_short,
"commit_full": latest_commit,
"commit_time": latest_commit_time,
"published_at": published_at,
"download_urls": {
"darwin_amd64": f"https://github.com/boldsoftware/shelley/releases/download/{latest_tag}/shelley_darwin_amd64",
"darwin_arm64": f"https://github.com/boldsoftware/shelley/releases/download/{latest_tag}/shelley_darwin_arm64",
"linux_amd64": f"https://github.com/boldsoftware/shelley/releases/download/{latest_tag}/shelley_linux_amd64",
"linux_arm64": f"https://github.com/boldsoftware/shelley/releases/download/{latest_tag}/shelley_linux_arm64",
},
"checksums_url": f"https://github.com/boldsoftware/shelley/releases/download/{latest_tag}/checksums.txt",
}
output_path = output_dir / "release.json"
with open(output_path, "w") as f:
json.dump(release_info, f, indent=2)
print(f"Generated {output_path}")
def generate_commits_json(output_dir: Path, count: int = 500) -> None:
"""Generate commits.json with recent commits."""
output = subprocess.check_output(
["git", "log", f"--pretty=format:%h%x00%s", f"-{count}", "HEAD"],
text=True,
)
commits = []
for line in output.strip().split("\n"):
if "\x00" in line:
sha, subject = line.split("\x00", 1)
commits.append({"sha": sha, "subject": subject})
output_path = output_dir / "commits.json"
with open(output_path, "w") as f:
json.dump(commits, f, indent=2)
print(f"Generated {output_path} with {len(commits)} commits")
def generate_index_html(output_dir: Path) -> None:
"""Generate index.html."""
html = """
Shelley
github.com/boldsoftware/shelley
"""
output_path = output_dir / "index.html"
with open(output_path, "w") as f:
f.write(html)
print(f"Generated {output_path}")
def main() -> None:
output_dir = Path(sys.argv[1]) if len(sys.argv) > 1 else Path("_site")
output_dir.mkdir(parents=True, exist_ok=True)
generate_release_json(output_dir)
generate_commits_json(output_dir)
generate_index_html(output_dir)
if __name__ == "__main__":
main()