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ci: Atomically replace share-svc binary on deploy
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scp overwrites in place, which fails with ETXTBSY ("text file busy") on
repeat deploys because systemd is executing /usr/local/bin/share-svc.
Copy to a temp path, chmod, then mv it over the destination so rename(2)
swaps the dir entry without touching the busy inode.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Drew Malzahn
2026-06-18 01:47:36 +00:00
committed by drew
parent de37809eec
commit 85c02d7f7f
1 changed files with 9 additions and 1 deletions
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10
.gitea/workflows/deploy.yaml
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@@ -64,8 +64,16 @@ jobs:
- name: Copy backend binary + unit file - name: Copy backend binary + unit file
run: | run: |
# Copy to a temp path then atomically rename into place. You can't
# overwrite a running executable in place (ETXTBSY / "Text file busy"),
# but rename(2) just swaps the directory entry while the old inode keeps
# serving the running process until the restart step picks up the new
# binary. chmod first so the exec bit survives the rename (scp doesn't
# preserve mode without -p).
scp -i ~/.ssh/deploy_key server/share-svc \ scp -i ~/.ssh/deploy_key server/share-svc \
"$DEPLOY_USER@$DEPLOY_HOST:/usr/local/bin/share-svc" "$DEPLOY_USER@$DEPLOY_HOST:/usr/local/bin/share-svc.new"
ssh -i ~/.ssh/deploy_key "$DEPLOY_USER@$DEPLOY_HOST" \
'chmod 0755 /usr/local/bin/share-svc.new && mv -f /usr/local/bin/share-svc.new /usr/local/bin/share-svc'
scp -i ~/.ssh/deploy_key server/share-svc.service \ scp -i ~/.ssh/deploy_key server/share-svc.service \
"$DEPLOY_USER@$DEPLOY_HOST:/etc/systemd/system/share-svc.service" "$DEPLOY_USER@$DEPLOY_HOST:/etc/systemd/system/share-svc.service"