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fix: updates refs from remotes when updating caches
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Explcitly updates local refs from the remote.  This requires
explicitly defining the remote that the cached clone uses, which
as a knock-on effect, requires invalidating any cached clones that
do not have the correct remote set.

chore: tidy up function definitions to use grouped parameter notation
where appropriate

Fixes: Issue #190
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nisimond authored and retr0h committed May 16, 2024
1 parent de25e48 commit 21f7c3f
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Showing 7 changed files with 76 additions and 45 deletions.
6 changes: 3 additions & 3 deletions internal/git.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,8 @@ package internal

// GitManager manager responsible for Git operations.
type GitManager interface {
Clone(gitURL string, cloneDir string) error
Worktree(cloneDir string, version string, dstDir string) error
Update(cloneDir string) error
Clone(gitURL, origin, cloneDir string) error
Worktree(cloneDir, version, dstDir string) error
Update(origin, cloneDir string) error
Remote(cloneDir string) (string, error)
}
15 changes: 8 additions & 7 deletions internal/git/git.go
Original file line number Diff line number Diff line change
Expand Up @@ -45,21 +45,22 @@ func New(
}

// Clone the repo. This is a bare repo, with only metadata to start with.
func (g *Git) Clone(
gitURL string,
cloneDir string,
) error {
func (g *Git) Clone(gitURL, origin, cloneDir string) error {
_, err := g.execManager.RunCmd(
"git",
[]string{"clone", "--bare", "--filter=blob:none", gitURL, cloneDir},
[]string{"clone", "--bare", "--filter=blob:none", "--origin", origin, gitURL, cloneDir},
)
return err
}

// Update the repo. Fetch the current HEAD and any new tags that may have
// appeared, and update the cache.
func (g *Git) Update(cloneDir string) error {
_, err := g.execManager.RunCmdInDir("git", []string{"fetch", "--tags", "--force"}, cloneDir)
func (g *Git) Update(origin, cloneDir string) error {
_, err := g.execManager.RunCmdInDir(
"git",
[]string{"fetch", "--tags", "--force", origin, "+refs/heads/*:refs/heads/*"},
cloneDir,
)
return err
}

Expand Down
16 changes: 9 additions & 7 deletions internal/git/git_public_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ type GitManagerPublicTestSuite struct {

gitURL string
gitVersion string
origin string
cloneDir string
dstDir string

Expand All @@ -68,6 +69,7 @@ func (suite *GitManagerPublicTestSuite) SetupTest() {

suite.gitURL = "https://example.com/user/repo.git"
suite.gitVersion = "abc123"
suite.origin = "gilt"
suite.cloneDir = "/cloneDir"
suite.dstDir = "/dstDir"

Expand All @@ -80,18 +82,18 @@ func (suite *GitManagerPublicTestSuite) TearDownTest() {

func (suite *GitManagerPublicTestSuite) TestCloneOk() {
suite.mockExec.EXPECT().
RunCmd("git", []string{"clone", "--bare", "--filter=blob:none", suite.gitURL, suite.cloneDir}).
RunCmd("git", []string{"clone", "--bare", "--filter=blob:none", "--origin", suite.origin, suite.gitURL, suite.cloneDir}).
Return("", nil)

err := suite.gm.Clone(suite.gitURL, suite.cloneDir)
err := suite.gm.Clone(suite.gitURL, suite.origin, suite.cloneDir)
assert.NoError(suite.T(), err)
}

func (suite *GitManagerPublicTestSuite) TestCloneReturnsError() {
errors := errors.New("tests error")
suite.mockExec.EXPECT().RunCmd(gomock.Any(), gomock.Any()).Return("", errors)

err := suite.gm.Clone(suite.gitURL, suite.cloneDir)
err := suite.gm.Clone(suite.gitURL, suite.origin, suite.cloneDir)
assert.Error(suite.T(), err)
}

Expand Down Expand Up @@ -132,18 +134,18 @@ func (suite *GitManagerPublicTestSuite) TestWorktreeErrorWhenAbsErrors() {

func (suite *GitManagerPublicTestSuite) TestUpdateOk() {
suite.mockExec.EXPECT().
RunCmdInDir("git", []string{"fetch", "--tags", "--force"}, suite.cloneDir).
RunCmdInDir("git", []string{"fetch", "--tags", "--force", suite.origin, "+refs/heads/*:refs/heads/*"}, suite.cloneDir).
Return("", nil)
err := suite.gm.Update(suite.cloneDir)
err := suite.gm.Update(suite.origin, suite.cloneDir)
assert.NoError(suite.T(), err)
}

func (suite *GitManagerPublicTestSuite) TestUpdateError() {
errors := errors.New("tests error")
suite.mockExec.EXPECT().
RunCmdInDir("git", []string{"fetch", "--tags", "--force"}, suite.cloneDir).
RunCmdInDir("git", []string{"fetch", "--tags", "--force", suite.origin, "+refs/heads/*:refs/heads/*"}, suite.cloneDir).
Return("", errors)
err := suite.gm.Update(suite.cloneDir)
err := suite.gm.Update(suite.origin, suite.cloneDir)
assert.Error(suite.T(), err)
}

Expand Down
6 changes: 4 additions & 2 deletions internal/mocks/git.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ package mocks

// GitManager manager responsible for Git operations.
type GitManager interface {
Clone(gitURL string, cloneDir string) error
Worktree(cloneDir string, version string, dstDir string) error
Clone(gitURL, origin, cloneDir string) error
Worktree(cloneDir, version, dstDir string) error
Update(origin, cloneDir string) error
Remote(cloneDir string) (string, error)
}
16 changes: 8 additions & 8 deletions internal/mocks/git/git_mock.go

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29 changes: 17 additions & 12 deletions internal/repository/repository.go
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
package repository

import (
"errors"
"fmt"
"log/slog"
"strings"
Expand All @@ -31,6 +32,8 @@ import (
"github.com/retr0h/gilt/v2/pkg/config"
)

const ORIGIN = "gilt"

// We'll use this to normalize Git URLs as "safe" filenames
var replacer = strings.NewReplacer("/", "-", ":", "-")

Expand All @@ -55,25 +58,27 @@ func (r *Repository) Clone(
cloneDir string,
) (string, error) {
targetDir := r.appFs.Join(cloneDir, replacer.Replace(c.Git))
r.logger.Info(
"cloning",
slog.String("repository", c.Git),
slog.String("dstDir", targetDir),
)

if d, err := r.appFs.Open(targetDir); err != nil {
_ = d.Close()
if err := r.gitManager.Clone(c.Git, targetDir); err != nil {
remote, err := r.gitManager.Remote(targetDir)
if err == nil && !strings.Contains(remote, ORIGIN) {
r.logger.Info(
"remote does not exist in clone, invalidating cache",
slog.Any("remote", ORIGIN),
slog.String("dstDir", targetDir),
)
_ = r.appFs.RemoveAll(targetDir)
err = errors.New("cache does not exist")
}
if err != nil {
r.logger.Info("cloning", slog.String("repository", c.Git), slog.String("dstDir", targetDir))
if err := r.gitManager.Clone(c.Git, ORIGIN, targetDir); err != nil {
return targetDir, err
}
} else {
_ = d.Close()
r.logger.Info("clone already exists", slog.String("dstDir", targetDir))
if err := r.gitManager.Update(targetDir); err != nil {
if err := r.gitManager.Update(ORIGIN, targetDir); err != nil {
return targetDir, err
}
}

return targetDir, nil
}

Expand Down
33 changes: 27 additions & 6 deletions internal/repository/repository_public_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -94,8 +94,10 @@ func (suite *RepositoryPublicTestSuite) TestCloneOk() {
}
targetDir := suite.appFs.Join(suite.cloneDir, suite.cacheDir)

errors := errors.New("tests error")
gomock.InOrder(
suite.mockGit.EXPECT().Clone(suite.gitURL, targetDir).Return(nil),
suite.mockGit.EXPECT().Remote(targetDir).Return("", errors),
suite.mockGit.EXPECT().Clone(suite.gitURL, repository.ORIGIN, targetDir).Return(nil),
)

_, err := repo.Clone(c, suite.cloneDir)
Expand All @@ -112,7 +114,8 @@ func (suite *RepositoryPublicTestSuite) TestCloneReturnsErrorWhenCloneErrors() {

errors := errors.New("tests error")
gomock.InOrder(
suite.mockGit.EXPECT().Clone(gomock.Any(), gomock.Any()).Return(errors),
suite.mockGit.EXPECT().Remote(gomock.Any()).Return("", errors),
suite.mockGit.EXPECT().Clone(gomock.Any(), gomock.Any(), gomock.Any()).Return(errors),
)

_, err := repo.Clone(c, suite.cloneDir)
Expand All @@ -128,8 +131,26 @@ func (suite *RepositoryPublicTestSuite) TestCloneDoesNotCloneWhenCloneDirExists(
}
targetDir := suite.appFs.Join(suite.cloneDir, suite.cacheDir)

_ = suite.appFs.MkdirAll(targetDir, 0o755)
suite.mockGit.EXPECT().Update(targetDir).Return(nil)
suite.mockGit.EXPECT().Remote(targetDir).Return(repository.ORIGIN, nil)
suite.mockGit.EXPECT().Update(repository.ORIGIN, targetDir).Return(nil)

_, err := repo.Clone(c, suite.cloneDir)
assert.NoError(suite.T(), err)
}

func (suite *RepositoryPublicTestSuite) TestCloneInvalidatesCaches() {
repo := suite.NewRepositoryManager()

c := config.Repository{
Git: suite.gitURL,
Version: suite.gitSHA,
}
targetDir := suite.appFs.Join(suite.cloneDir, suite.cacheDir)

gomock.InOrder(
suite.mockGit.EXPECT().Remote(targetDir).Return("invalid", nil),
suite.mockGit.EXPECT().Clone(suite.gitURL, repository.ORIGIN, targetDir).Return(nil),
)

_, err := repo.Clone(c, suite.cloneDir)
assert.NoError(suite.T(), err)
Expand All @@ -144,9 +165,9 @@ func (suite *RepositoryPublicTestSuite) TestCloneUpdateCloneDirThrowsError() {
}
targetDir := suite.appFs.Join(suite.cloneDir, suite.cacheDir)

_ = suite.appFs.MkdirAll(targetDir, 0o755)
errors := errors.New("tests error")
suite.mockGit.EXPECT().Update(targetDir).Return(errors)
suite.mockGit.EXPECT().Remote(targetDir).Return(repository.ORIGIN, nil)
suite.mockGit.EXPECT().Update(repository.ORIGIN, targetDir).Return(errors)

_, err := repo.Clone(c, suite.cloneDir)
assert.Error(suite.T(), err)
Expand Down

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