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chore: use 8 character hash components (#143)

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Use 8 character hash components to reduce the key length, making it
more readable.

Fixes #97
This commit is contained in:
Steven Hartland 2023-05-19 19:30:37 +01:00 • committed by GitHub
parent ad97570a01
commit bb80d0f127
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4 changed files with 38 additions and 6 deletions
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15
src/config.ts
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@ -13,6 +13,7 @@ const HOME = os.homedir();
export const CARGO_HOME = process.env.CARGO_HOME || path.join(HOME, ".cargo");
const STATE_CONFIG = "RUST_CACHE_CONFIG";
const HASH_LENGTH = 8;
export class CacheConfig {
/** All the paths we want to cache */
@ -105,7 +106,7 @@ export class CacheConfig {
self.keyEnvs = keyEnvs;
key += `-${hasher.digest("hex")}`;
key += `-${digest(hasher)}`;
self.restoreKey = key;
@ -144,7 +145,7 @@ export class CacheConfig {
hasher.update(chunk);
}
}
let lockHash = hasher.digest("hex");
let lockHash = digest(hasher);
self.keyFiles = keyFiles;
@ -239,6 +240,16 @@ export function isCacheUpToDate(): boolean {
return core.getState(STATE_CONFIG) === "";
}
/**
* Returns a hex digest of the given hasher truncated to `HASH_LENGTH`.
*
* @param hasher The hasher to digest.
* @returns The hex digest.
*/
function digest(hasher: crypto.Hash): string {
return hasher.digest("hex").substring(0, HASH_LENGTH);
}
interface RustVersion {
host: string;
release: string;