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Use the given manifest version hash if possible (#337)

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Chocohead 2021-01-24 14:39:52 +00:00 committed by GitHub
parent f7efac5d18
commit ba3a1e4d9c
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 9 deletions
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12
src/main/java/net/fabricmc/loom/configuration/providers/MinecraftProvider.java
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@ -31,8 +31,6 @@ import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.Optional;
import java.util.function.Consumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.ZipError;
import com.google.common.io.Files;
@ -170,13 +168,11 @@ public class MinecraftProvider extends DependencyProvider {
} else {
getProject().getLogger().debug("Downloading Minecraft {} manifest", minecraftVersion);
String url = optionalVersion.get().url;
// Find the sha1 of the json from the url, return true if it matches the local json
Pattern sha1Pattern = Pattern.compile("\\b[0-9a-f]{5,40}\\b");
Matcher matcher = sha1Pattern.matcher(url);
ManifestVersion.Versions version = optionalVersion.get();
String url = version.url;
if (matcher.find()) {
HashedDownloadUtil.downloadIfInvalid(new URL(url), minecraftJson, matcher.group(), getProject().getLogger(), true);
if (version.sha1 != null) {
HashedDownloadUtil.downloadIfInvalid(new URL(url), minecraftJson, version.sha1, getProject().getLogger(), true);
} else {
// Use the etag if no hash found from url
DownloadUtil.downloadIfChanged(new URL(url), minecraftJson, getProject().getLogger());

2
src/main/java/net/fabricmc/loom/configuration/providers/minecraft/ManifestVersion.java
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@ -31,6 +31,6 @@ public class ManifestVersion {
public List<Versions> versions = new ArrayList<>();
public static class Versions {
public String id, url;
public String id, url, sha1;
}
}