Package com.google.gerrit.server.patch

Class ApplyPatchUtil

java.lang.Object
com.google.gerrit.server.patch.ApplyPatchUtil
public final class ApplyPatchUtil extends Object
Utility for applying a patch.

  • Method Summary

    Modifier and Type
    Method
    Description
    static org.eclipse.jgit.patch.PatchApplier.Result
    applyPatch(org.eclipse.jgit.lib.Repository repo, org.eclipse.jgit.lib.ObjectInserter oi, ApplyPatchInput input, org.eclipse.jgit.revwalk.RevCommit mergeTip)
    Applies the given patch on top of the merge tip, using the given object inserter.
    static String
    buildCommitMessage(String message, List<org.eclipse.jgit.revwalk.FooterLine> footerLines, ApplyPatchInput patchInput, String resultPatch, List<org.eclipse.jgit.patch.PatchApplier.Result.Error> errors)
    Build commit message for commits with applied patch.
    static String
    getResultPatch(org.eclipse.jgit.lib.Repository repo, org.eclipse.jgit.lib.ObjectReader reader, org.eclipse.jgit.revwalk.RevCommit baseCommit, org.eclipse.jgit.revwalk.RevTree resultTree)
    Fetch the patch of the result tree.
    static com.google.common.hash.HashCode
    sha1(String s)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • applyPatch

      public static org.eclipse.jgit.patch.PatchApplier.Result applyPatch(org.eclipse.jgit.lib.Repository repo, org.eclipse.jgit.lib.ObjectInserter oi, ApplyPatchInput input, org.eclipse.jgit.revwalk.RevCommit mergeTip) throws IOException, RestApiException
      Applies the given patch on top of the merge tip, using the given object inserter.
      Parameters:
      repo - to apply the patch in
      oi - to operate with
      input - the patch for applying
      mergeTip - the tip to apply the patch on
      Returns:
      the tree ID with the applied patch
      Throws:
      IOException - if unable to create the jgit PatchApplier object
      RestApiException - for any other failure

    • buildCommitMessage

      public static String buildCommitMessage(String message, List<org.eclipse.jgit.revwalk.FooterLine> footerLines, ApplyPatchInput patchInput, String resultPatch, List<org.eclipse.jgit.patch.PatchApplier.Result.Error> errors) throws BadRequestException
      Build commit message for commits with applied patch.

      Message structure:

      1. Provided message.
      2. In case of errors while applying the patch - a warning message which includes the errors; as well as the original patch's header if available, or the full original patch otherwise.
      3. If there are no explicit errors, but the result change's patch is not the same as the original patch - a warning message which includes the diff; as well as the original patch's header if available, or the full original patch otherwise.
      4. The provided footerLines, if any.
      Parameters:
      message - the first message piece, excluding footers
      footerLines - footer lines to append to the message
      patchInput - API input that triggered this action
      resultPatch - to validate accuracy for
      Returns:
      the commit message
      Throws:
      BadRequestException - if the commit message cannot be sanitized

    • getResultPatch

      public static String getResultPatch(org.eclipse.jgit.lib.Repository repo, org.eclipse.jgit.lib.ObjectReader reader, org.eclipse.jgit.revwalk.RevCommit baseCommit, org.eclipse.jgit.revwalk.RevTree resultTree) throws IOException
      Fetch the patch of the result tree.
      Parameters:
      repo - in which the patch was applied
      reader - for the repo objects, including resultTree
      baseCommit - to generate patch against
      resultTree - to generate the patch for
      Returns:
      the result patch
      Throws:
      IOException - if the result patch cannot be written

    • sha1

      public static com.google.common.hash.HashCode sha1(String s)