Let package git depend on setting but not opposite (#15241)

* Let package git depend on setting but not opposite

* private some package variables

modules/setting/git.go

@@ -7,7 +7,6 @@ package setting
 import (
 	"time"
 
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 )
 
@@ -19,8 +18,8 @@ var (
 		MaxGitDiffLines           int
 		MaxGitDiffLineCharacters  int
 		MaxGitDiffFiles           int
-		CommitsRangeSize          int
-		BranchesRangeSize         int
+		CommitsRangeSize          int // CommitsRangeSize the default commits range size
+		BranchesRangeSize         int // BranchesRangeSize the default branches range size
 		VerbosePush               bool
 		VerbosePushDelay          time.Duration
 		GCArgs                    []string `ini:"GC_ARGS" delim:" "`
@@ -54,7 +53,7 @@ var (
 			Pull    int
 			GC      int `ini:"GC"`
 		}{
-			Default: int(git.DefaultCommandExecutionTimeout / time.Second),
+			Default: 360,
 			Migrate: 600,
 			Mirror:  300,
 			Clone:   300,
@@ -68,35 +67,4 @@ func newGit() {
 	if err := Cfg.Section("git").MapTo(&Git); err != nil {
 		log.Fatal("Failed to map Git settings: %v", err)
 	}
-	if err := git.SetExecutablePath(Git.Path); err != nil {
-		log.Fatal("Failed to initialize Git settings: %v", err)
-	}
-	git.DefaultCommandExecutionTimeout = time.Duration(Git.Timeout.Default) * time.Second
-
-	version, err := git.LocalVersion()
-	if err != nil {
-		log.Fatal("Error retrieving git version: %v", err)
-	}
-
-	// force cleanup args
-	git.GlobalCommandArgs = []string{}
-
-	if git.CheckGitVersionAtLeast("2.9") == nil {
-		// Explicitly disable credential helper, otherwise Git credentials might leak
-		git.GlobalCommandArgs = append(git.GlobalCommandArgs, "-c", "credential.helper=")
-	}
-
-	var format = "Git Version: %s"
-	var args = []interface{}{version.Original()}
-	// Since git wire protocol has been released from git v2.18
-	if Git.EnableAutoGitWireProtocol && git.CheckGitVersionAtLeast("2.18") == nil {
-		git.GlobalCommandArgs = append(git.GlobalCommandArgs, "-c", "protocol.version=2")
-		format += ", Wire Protocol %s Enabled"
-		args = append(args, "Version 2") // for focus color
-	}
-
-	git.CommitsRangeSize = Git.CommitsRangeSize
-	git.BranchesRangeSize = Git.BranchesRangeSize
-
-	log.Info(format, args...)
 }