mirror of
https://github.com/zjdyzww/harness.git
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Enver Biševac
5b86da53e8
* requested changes * requested changes * add header and nolint * add gc args * git layer functions and methods
107 lines
3.8 KiB
Go
107 lines
3.8 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package api
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import (
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"context"
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"fmt"
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"time"
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"github.com/harness/gitness/git/command"
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)
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type RepackParams struct {
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// SinglePack packs everything referenced into a single pack.
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// git repack -a
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SinglePack bool
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// RemoveRedundantObjects after packing, if the newly created packs make some existing packs redundant,
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// remove the redundant packs. git repack -d
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RemoveRedundantObjects bool
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// This flag causes an object that is borrowed from an alternate object store to be
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// ignored even if it would have otherwise been packed. git repack -l pass --local to
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// git pack-objects --local.
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Local bool
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// Arrange resulting pack structure so that each successive pack contains at least
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// <factor> times the number of objects as the next-largest pack.
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Geometric int
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// When used with SinglePack and RemoveRedundantObjects, any unreachable objects from existing packs will be appended
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// to the end of the packfile instead of being removed. In addition, any unreachable
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// loose objects will be packed (and their loose counterparts removed).
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KeepUnreachable bool
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// Any unreachable objects are packed into a separate cruft pack
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Cruft bool
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// Expire unreachable objects older than <approxidate> immediately instead of waiting
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// for the next git gc invocation. Only useful with RemoveRedundantObjects
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CruftExpireBefore time.Time
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// Include objects in .keep files when repacking. Note that we still do not delete .keep packs
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// after pack-objects finishes. This means that we may duplicate objects, but this makes the
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// option safe to use when there are concurrent pushes or fetches. This option is generally
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// only useful if you are writing bitmaps with -b or repack.writeBitmaps, as it ensures that
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// the bitmapped packfile has the necessary objects.
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PackKeptObjects bool
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// Write a reachability bitmap index as part of the repack.
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// This only makes sense when used with SinglePack
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// as the bitmaps must be able to refer to all reachable objects
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WriteBitmap bool
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// Write a multi-pack index (see git-multi-pack-index[1]) containing the non-redundant packs
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// git repack --write-midx
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WriteMidx bool
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}
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func (g *Git) RepackObjects(
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ctx context.Context,
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repoPath string,
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params RepackParams,
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) error {
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cmd := command.New("repack")
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if params.SinglePack {
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cmd.Add(command.WithFlag("-a"))
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}
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if params.RemoveRedundantObjects {
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cmd.Add(command.WithFlag("-d"))
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}
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if params.Local {
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cmd.Add(command.WithFlag("-l"))
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}
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if params.Geometric > 0 {
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cmd.Add(command.WithFlag(fmt.Sprintf("--geometric=%d", params.Geometric)))
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}
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if params.KeepUnreachable {
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cmd.Add(command.WithFlag("--keep-unreachable"))
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}
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if params.Cruft {
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cmd.Add(command.WithFlag("--cruft"))
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}
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if !params.CruftExpireBefore.IsZero() {
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cmd.Add(command.WithFlag(fmt.Sprintf("--cruft-expiration=%s",
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params.CruftExpireBefore.Format(RFC2822DateFormat))))
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}
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if params.PackKeptObjects {
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cmd.Add(command.WithFlag("--pack-kept-objects"))
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}
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if params.WriteBitmap {
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cmd.Add(command.WithFlag("--write-bitmap-index"))
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}
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if params.WriteMidx {
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cmd.Add(command.WithFlag("--write-midx"))
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}
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if err := cmd.Run(ctx, command.WithDir(repoPath)); err != nil {
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return processGitErrorf(err, "failed to repack objects")
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}
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return nil
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}
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