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fix: warn instead of error when no python to cache (#762)

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Fixes: #754
This commit is contained in:
Kevin Stillhammer
2026-02-06 16:00:33 +01:00
committed by GitHub
parent a3b3eaea92
commit 02182fa02a
4 changed files with 74 additions and 49 deletions
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56
src/save-cache.ts
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@@ -59,23 +59,40 @@ async function saveCache(): Promise<void> {
}
const actualCachePath = getUvCachePath();
await saveCacheToKey(
cacheKey,
actualCachePath,
STATE_CACHE_MATCHED_KEY,
"uv cache",
`Cache path ${actualCachePath} does not exist on disk. This likely indicates that there are no dependencies to cache. Consider disabling the cache input if it is not needed.`,
);
if (!fs.existsSync(actualCachePath)) {
if (ignoreNothingToCache) {
core.info(
"No cacheable uv cache paths were found. Ignoring because ignore-nothing-to-cache is enabled.",
);
} else {
throw new Error(
`Cache path ${actualCachePath} does not exist on disk. This likely indicates that there are no dependencies to cache. Consider disabling the cache input if it is not needed.`,
);
}
} else {
await saveCacheToKey(
cacheKey,
actualCachePath,
STATE_CACHE_MATCHED_KEY,
"uv cache",
);
}
}
if (cachePython) {
if (!fs.existsSync(pythonDir)) {
core.warning(
`Python cache path ${pythonDir} does not exist on disk. Skipping Python cache save because no managed Python installation was found. If you want uv to install managed Python instead of using a system interpreter, set UV_PYTHON_PREFERENCE=only-managed.`,
);
return;
}
const pythonCacheKey = `${cacheKey}-python`;
await saveCacheToKey(
pythonCacheKey,
pythonDir,
STATE_PYTHON_CACHE_MATCHED_KEY,
"Python cache",
`Python cache path ${pythonDir} does not exist on disk. This likely indicates that there are no Python installations to cache. Consider disabling the cache input if it is not needed.`,
);
}
}
@@ -119,7 +136,6 @@ async function saveCacheToKey(
cachePath: string,
stateKey: string,
cacheName: string,
pathNotExistErrorMessage: string,
): Promise<void> {
const matchedKey = core.getState(stateKey);
@@ -131,26 +147,8 @@ async function saveCacheToKey(
}
core.info(`Including ${cacheName} path: ${cachePath}`);
if (!fs.existsSync(cachePath) && !ignoreNothingToCache) {
throw new Error(pathNotExistErrorMessage);
}
try {
await cache.saveCache([cachePath], cacheKey);
core.info(`${cacheName} saved with key: ${cacheKey}`);
} catch (e) {
if (
e instanceof Error &&
e.message ===
"Path Validation Error: Path(s) specified in the action for caching do(es) not exist, hence no cache is being saved."
) {
core.info(
`No cacheable ${cacheName} paths were found. Ignoring because ignore-nothing-to-save is enabled.`,
);
} else {
throw e;
}
}
await cache.saveCache([cachePath], cacheKey);
core.info(`${cacheName} saved with key: ${cacheKey}`);
}
run();