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HeadWriter returns Result<T> values

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This commit is contained in:
Paul Campbell 2018-06-30 21:05:38 +01:00
parent c4034a291f
commit d1acd4a0dc
1 changed files with 6 additions and 5 deletions
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7
src/main/java/net/kemitix/gitdb/impl/HeadWriter.java
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@ -22,11 +22,11 @@
package net.kemitix.gitdb.impl;
import lombok.RequiredArgsConstructor;
import net.kemitix.mon.result.Result;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
@ -47,16 +47,17 @@ class HeadWriter {
* @param branchName the branch name
* @param commitId the commit to point the branch at
* @return the Ref of the new branch
* @throws IOException error writing branch head
*/
Ref write(final String branchName, final ObjectId commitId) throws IOException {
Result<Ref> write(final String branchName, final ObjectId commitId) {
final Path branchRefPath = repository
.getDirectory()
.toPath()
.resolve(branchName)
.toAbsolutePath();
final byte[] commitIdBytes = commitId.name().getBytes(StandardCharsets.UTF_8);
return Result.of(() -> {
Files.write(branchRefPath, commitIdBytes);
return repository.findRef(branchName);
});
}
}