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by/debug prune candidacy #94

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3afb104
Update readme to expose new options
bruce-y Apr 15, 2026
1e6c7fa
debug prune candidacy
bruce-y Apr 15, 2026
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18 changes: 11 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -48,13 +48,17 @@ This action follows semantic versioning and supports multiple referencing patter

## Inputs

| Name | Description | Required | Default |
| ------------------ | ------------------------------------------------------------------ | -------- | -------------- |
| `buildx-version` | Buildx version (e.g., v0.23.0, latest) | No | `v0.23.0` |
| `buildkit-version` | BuildKit version to install (e.g., v0.16.0, v0.18.0) | No | System default |
| `platforms` | List of target platforms for build (e.g., linux/amd64,linux/arm64) | No | |
| `nofallback` | If true, fail the action if Blacksmith builder setup fails | No | `false` |
| `github-token` | GitHub token for GitHub API access | No | |
| Name | Description | Required | Default |
| ---------------------- | ------------------------------------------------------------------------------------------------------------- | -------- | -------------- |
| `buildx-version` | Buildx version (e.g., v0.23.0, latest) | No | `v0.23.0` |
| `buildkit-version` | BuildKit version to install (e.g., v0.16.0, v0.18.0) | No | System default |
| `platforms` | List of target platforms for build (e.g., linux/amd64,linux/arm64) | No | |
| `nofallback` | If true, fail the action if Blacksmith builder setup fails | No | `false` |
| `github-token` | GitHub token for GitHub API access | No | |
| `skip-integrity-check` | If true, skip the bbolt database integrity check | No | `false` |
| `driver-opts` | List of additional driver-specific options (e.g., env.VARIABLE=value) | No | |
| `max-parallelism` | Maximum number of concurrent BuildKit RUN steps. Defaults to the number of vCPUs on the runner | No | |
| `cache-keep-storage` | Amount of build cache to retain after pruning, in MB (e.g., 409600 for 400GB). If not set, pruning is skipped | No | |

## Example Workflows

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2 changes: 1 addition & 1 deletion dist/index.js
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2 changes: 1 addition & 1 deletion dist/index.js.map
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14 changes: 14 additions & 0 deletions src/main.ts
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Expand Up @@ -597,6 +597,8 @@ async function maybeShutdownBuildkitd(): Promise<void> {
} else {
core.info("Shutdown buildkitd gracefully");
}

await logBuildkitdLogs();
}

async function logBuildkitdCrashLogs(): Promise<void> {
Expand All @@ -611,6 +613,18 @@ async function logBuildkitdCrashLogs(): Promise<void> {
}
}

async function logBuildkitdLogs(): Promise<void> {
try {
const { stdout } = await execAsync(
"cat /tmp/buildkitd.log 2>/dev/null || echo 'No buildkitd.log found'",
);
core.info("buildkitd logs:");
core.info(stdout);
} catch (error) {
core.warning(`Could not read buildkitd logs: ${(error as Error).message}`);
}
}

void actionsToolkit.run(
// main action
async () => {
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