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holocron/plugins/gitea/skills/gitea-files/references/writing.md
Defame1297 bbc73008a3 chore(gitea): regenerate the flat content mirror after the ADR-0020 retrofit
Generated output, not authored content: scripts/sync-plugin-content.sh --all.
Claude Code has no .apm/ awareness, so this compiled mirror must track .apm/ or
the check-plugin-content-sync pre-push hook reports drift.

Deferred to a single commit at the end of the wave on purpose. sync_dir runs
rm -rf before every copy, so running it while seven agents were editing the
same plugin would have raced them; agents were told not to sync for that reason.

Refs #99
2026-08-30 12:42:20 +00:00

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gitea-mcp-repo
gitea-mcp-slim-go

Creating, updating and deleting files

sha is the optimistic-concurrency token for every write, and it comes from get_file_contents's top-level sha field — never from content.sha, a directory listing, or a tree entry. Do not guess or reuse a stale value: a mismatched SHA is rejected exactly like a missing one.

content is base64-encoded, and the branch the commit lands on is branch_name, not ref.

Create a new file

Call create_or_update_file(owner, repo, path, content, message, branch_name) with sha omitted entirely. An omitted sha always means create, so the call returns HTTP 409 if the path already exists.

To branch off as part of the same write, pass new_branch_name: the branch is created and the commit lands on it in one call, replacing a separate branch-creation step.

Update an existing file

  1. get_file_contents(owner, repo, ref: <branch>, path) → read the top-level sha.
  2. create_or_update_file(owner, repo, path, content, message, branch_name, sha: <that value>).

Delete a file

Same SHA-first pattern, with no create-style fallback — delete_file without sha returns HTTP 422.

  1. get_file_contents(owner, repo, ref: <branch>, path) → read the top-level sha.
  2. delete_file(owner, repo, path, message, branch_name, sha: <that value>).

Worked sequence — new file on a new branch, then a PR

1. create_or_update_file
     owner, repo
     path: "docs/example.md"
     content: "<base64-encoded content>"
     message: "docs: add example"
     branch_name: "main"
     new_branch_name: "feat/add-example"   ← branches off before the commit lands
     (sha omitted — this is a new file)

2. Hand off to gitea-prs to open a PR from "feat/add-example" into "main".

Step 1 needs no preceding read: a brand-new path has no SHA. Fetch the current file first only when the write replaces an existing one.

Triaging a failed write

Symptom Cause Action
HTTP 409 sha omitted on a path that already exists Fetch the current SHA, retry as an update
HTTP 422 sha missing or stale Re-fetch the SHA immediately before the write
403 or 422 with no SHA explanation Branch protection requires signed commits Stop and report
HTTP 413 Reverse-proxy body limit in front of Gitea Report; retrying cannot fix it
HTTP 404 Wrong path, or a token without write:repository Verify the path, then the token's scopes

Signed commits. These writes create commits server-side from a bare API token with no 2FA or PGP context. If the target branch's protection rule requires signed commits, Gitea rejects the write as a generic 403 or 422 that never names signing, and reads against that same branch keep succeeding right up until the write. When a write fails without a clean 409 or 404 explanation, check the branch's protection rule before assuming the SHA is wrong and retrying.

Payload size. base64 inflates content roughly 33% over the raw file size, and a 413 is usually a reverse-proxy body-size limit in front of the Gitea instance rather than a Gitea-side rejection. No amount of retrying, or changing the SHA, path, or branch, will fix it — the proxy's config has to be raised, which is outside this skill's control. Surface that distinction instead of retrying the same call.