Example #1
0
func init() {
	var err error
	defaultDiffOptions, err = git2go.DefaultDiffOptions()
	if err != nil {
		log.Fatalf("Failed to load default git (libgit2/git2go) diff options: %s.", err)
	}
	defaultDiffOptions.IdAbbrev = 40
}
Example #2
0
// FindFiles returns a list of paths to files that have been changed
// in this branch with respect to `master`.
func (r *Reviewer) FindFiles() ([]string, error) {
	var (
		rg      runGuard
		lines   []string
		mBranch *gg.Branch
		hRef    *gg.Reference
		hCom    *gg.Commit
		mCom    *gg.Commit
		mTree   *gg.Tree
		hTree   *gg.Tree
		opts    gg.DiffOptions
		diff    *gg.Diff
	)

	if r.Repo == nil {
		return lines, errors.New("repo not initialized")
	}

	defer func() {
		objs := [...]freeable{
			mBranch,
			hRef,
			hCom,
			mCom,
			mTree,
			hTree,
		}

		for _, obj := range objs {
			if obj != nil {
				obj.Free()
			}
		}

		if err := diff.Free(); err != nil && r.Verbose {
			fmt.Printf("Issue cleaning up diff: '%s'\n", err)
		}
	}()

	rg.maybeRun(func() {
		var err error
		if mBranch, err = r.Repo.LookupBranch("master", gg.BranchLocal); err != nil {
			rg.err = err
			rg.msg = "issue opening master branch"
		}
	})

	rg.maybeRun(func() {
		var err error
		if mCom, err = r.Repo.LookupCommit(mBranch.Reference.Target()); err != nil {
			rg.err = err
			rg.msg = "issue opening commit at master"
		}
	})

	rg.maybeRun(func() {
		var err error
		if hRef, err = r.Repo.Head(); err != nil {
			rg.err = err
			rg.msg = "issue opening repo at HEAD"
		}
	})

	rg.maybeRun(func() {
		var err error
		if hCom, err = r.Repo.LookupCommit(hRef.Target()); err != nil {
			rg.err = err
			rg.msg = "issue opening commit at HEAD"
		}
	})

	rg.maybeRun(func() {
		var err error
		if mTree, err = mCom.Tree(); err != nil {
			rg.err = err
			rg.msg = "issue opening tree at master"
		}
	})

	rg.maybeRun(func() {
		var err error
		if hTree, err = hCom.Tree(); err != nil {
			rg.err = err
			rg.msg = "issue opening tree at HEAD"
		}
	})

	rg.maybeRun(func() {
		var err error
		if opts, err = gg.DefaultDiffOptions(); err != nil {
			rg.err = err
			rg.msg = "issue creating diff options"
		}
	})

	rg.maybeRun(func() {
		var err error
		if diff, err = r.Repo.DiffTreeToTree(mTree, hTree, &opts); err != nil {
			rg.err = err
			rg.msg = "issue finding diff"
		}
	})

	rg.maybeRun(func() {
		diff.ForEach(func(file gg.DiffDelta, progress float64) (
			gg.DiffForEachHunkCallback, error) {

			lines = append(lines, file.OldFile.Path)
			return nil, nil
		}, gg.DiffDetailFiles)
	})

	if rg.err != nil && rg.msg != "" && r.Verbose {
		fmt.Printf("Error finding diff files: '%s'\n", rg.msg)
	}

	return lines, rg.err
}