WIP: add portrait FxPlug controls, render adapter and face selection OSC

scripts/checkpoint.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Save only explicitly listed project files, under the shared dayu Git lock."""
+import argparse, hashlib, json, os, pathlib, subprocess, time
+p=argparse.ArgumentParser();p.add_argument('message');p.add_argument('files',nargs='+');p.add_argument('--tag');a=p.parse_args()
+root=pathlib.Path(__file__).resolve().parent.parent
+run=lambda *args,**kw:subprocess.run(args,cwd=root,check=True,text=True,**kw)
+remote=run('git','remote','get-url','origin',capture_output=True).stdout.strip()
+if not remote.startswith('https://dayu.media/git/') or '@' in remote:raise SystemExit('Unexpected project remote')
+lock=pathlib.Path('/Users/dayu/.codex/git-backup-locks')/(hashlib.sha256(remote.lower().rstrip('/').encode()).hexdigest()+'.lock')
+lock.parent.mkdir(parents=True,exist_ok=True)
+for n in range(120):
+    try:lock.mkdir();break
+    except FileExistsError:
+        if n==119:raise SystemExit('Repository lock still held; inspect owner.json')
+        time.sleep(.5)
+(lock/'owner.json').write_text(json.dumps({'pid':os.getpid(),'cwd':str(root),'remote':remote}))
+try:
+    run('git','add','--',*a.files)
+    run('git','diff','--cached','--check')
+    run('git','diff','--cached','--stat')
+    changed=subprocess.run(['git','diff','--cached','--quiet'],cwd=root).returncode
+    if changed:run('git','commit','-m',a.message)
+    branch=run('git','branch','--show-current',capture_output=True).stdout.strip()
+    if not branch:raise SystemExit('Detached HEAD: create a durable branch before saving')
+    run('git','push','-u','origin',branch)
+    sha=run('git','rev-parse','HEAD',capture_output=True).stdout.strip()
+    observed=run('git','ls-remote','origin','refs/heads/'+branch,capture_output=True).stdout.split()[0]
+    if observed!=sha:raise SystemExit('Remote checkpoint SHA mismatch')
+    if a.tag:
+        run('git','tag',a.tag)
+        run('git','push','origin','refs/tags/'+a.tag)
+        observed=run('git','ls-remote','origin','refs/tags/'+a.tag,capture_output=True).stdout.split()[0]
+        if observed!=sha:raise SystemExit('Remote tag SHA mismatch')
+    print(json.dumps({'branch':branch,'sha':sha,'remote_verified':True,'tag':a.tag}))
+finally:
+    (lock/'owner.json').unlink();lock.rmdir()