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Refactor modules/git global variables (#29376)

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Move some global variables into a struct to improve maintainability
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wxiaoguang 2024-02-25 13:35:47 +08:00 • committed by GitHub
parent 4e3d81e44e
commit 1ef87773b1
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8 changed files with 27 additions and 25 deletions
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38
modules/git/git.go
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@ -33,16 +33,18 @@ var (
// DefaultContext is the default context to run git commands in, must be initialized by git.InitXxx
DefaultContext context.Context
SupportProcReceive bool // >= 2.29
SupportHashSha256 bool // >= 2.42, SHA-256 repositories no longer an ‘experimental curiosity’
DefaultFeatures struct {
GitVersion *version.Version
gitVersion *version.Version
SupportProcReceive bool // >= 2.29
SupportHashSha256 bool // >= 2.42, SHA-256 repositories no longer an ‘experimental curiosity’
}
)
// loadGitVersion tries to get the current git version and stores it into a global variable
func loadGitVersion() error {
// doesn't need RWMutex because it's executed by Init()
if gitVersion != nil {
if DefaultFeatures.GitVersion != nil {
return nil
}
@ -53,7 +55,7 @@ func loadGitVersion() error {
ver, err := parseGitVersionLine(strings.TrimSpace(stdout))
if err == nil {
gitVersion = ver
DefaultFeatures.GitVersion = ver
}
return err
}
@ -93,7 +95,7 @@ func SetExecutablePath(path string) error {
return err
}
if gitVersion.LessThan(versionRequired) {
if DefaultFeatures.GitVersion.LessThan(versionRequired) {
moreHint := "get git: https://git-scm.com/download/"
if runtime.GOOS == "linux" {
// there are a lot of CentOS/RHEL users using old git, so we add a special hint for them
@ -102,22 +104,22 @@ func SetExecutablePath(path string) error {
moreHint = "get git: https://git-scm.com/download/linux and https://ius.io"
}
}
return fmt.Errorf("installed git version %q is not supported, Gitea requires git version >= %q, %s", gitVersion.Original(), RequiredVersion, moreHint)
return fmt.Errorf("installed git version %q is not supported, Gitea requires git version >= %q, %s", DefaultFeatures.GitVersion.Original(), RequiredVersion, moreHint)
}
if err = checkGitVersionCompatibility(gitVersion); err != nil {
return fmt.Errorf("installed git version %s has a known compatibility issue with Gitea: %w, please upgrade (or downgrade) git", gitVersion.String(), err)
if err = checkGitVersionCompatibility(DefaultFeatures.GitVersion); err != nil {
return fmt.Errorf("installed git version %s has a known compatibility issue with Gitea: %w, please upgrade (or downgrade) git", DefaultFeatures.GitVersion.String(), err)
}
return nil
}
// VersionInfo returns git version information
func VersionInfo() string {
if gitVersion == nil {
if DefaultFeatures.GitVersion == nil {
return "(git not found)"
}
format := "%s"
args := []any{gitVersion.Original()}
args := []any{DefaultFeatures.GitVersion.Original()}
// Since git wire protocol has been released from git v2.18
if setting.Git.EnableAutoGitWireProtocol && CheckGitVersionAtLeast("2.18") == nil {
format += ", Wire Protocol %s Enabled"
@ -187,9 +189,9 @@ func InitFull(ctx context.Context) (err error) {
if CheckGitVersionAtLeast("2.9") == nil {
globalCommandArgs = append(globalCommandArgs, "-c", "credential.helper=")
}
SupportProcReceive = CheckGitVersionAtLeast("2.29") == nil
SupportHashSha256 = CheckGitVersionAtLeast("2.42") == nil && !isGogit
if SupportHashSha256 {
DefaultFeatures.SupportProcReceive = CheckGitVersionAtLeast("2.29") == nil
DefaultFeatures.SupportHashSha256 = CheckGitVersionAtLeast("2.42") == nil && !isGogit
if DefaultFeatures.SupportHashSha256 {
SupportedObjectFormats = append(SupportedObjectFormats, Sha256ObjectFormat)
} else {
log.Warn("sha256 hash support is disabled - requires Git >= 2.42. Gogit is currently unsupported")
@ -254,7 +256,7 @@ func syncGitConfig() (err error) {
}
}
if SupportProcReceive {
if DefaultFeatures.SupportProcReceive {
// set support for AGit flow
if err := configAddNonExist("receive.procReceiveRefs", "refs/for"); err != nil {
return err
@ -309,15 +311,15 @@ func syncGitConfig() (err error) {
// CheckGitVersionAtLeast check git version is at least the constraint version
func CheckGitVersionAtLeast(atLeast string) error {
if gitVersion == nil {
if DefaultFeatures.GitVersion == nil {
panic("git module is not initialized") // it shouldn't happen
}
atLeastVersion, err := version.NewVersion(atLeast)
if err != nil {
return err
}
if gitVersion.Compare(atLeastVersion) < 0 {
return fmt.Errorf("installed git binary version %s is not at least %s", gitVersion.Original(), atLeast)
if DefaultFeatures.GitVersion.Compare(atLeastVersion) < 0 {
return fmt.Errorf("installed git binary version %s is not at least %s", DefaultFeatures.GitVersion.Original(), atLeast)
}
return nil
}