add default time out for git operations (#6015)

Author: lunny

custom/conf/app.ini.sample

@@ -610,6 +610,7 @@ GC_ARGS =
 
 ; Operation timeout in seconds
 [git.timeout]
+DEFAULT = 360
 MIGRATE = 600
 MIRROR = 300
 CLONE = 300

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -316,6 +316,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
 - `GC_ARGS`: **\<empty\>**: Arguments for command `git gc`, e.g. `--aggressive --auto`. See more on http://git-scm.com/docs/git-gc/
 
 ## Git - Timeout settings (`git.timeout`)
+- `DEFAUlT`: **360**: Git operations default timeout seconds.
 - `MIGRATE`: **600**: Migrate external repositories timeout seconds.
 - `MIRROR`: **300**: Mirror external repositories timeout seconds.
 - `CLONE`: **300**: Git clone from internal repositories timeout seconds.

docs/content/doc/advanced/config-cheat-sheet.zh-cn.md

@@ -188,6 +188,8 @@ menu:
 - `GC_ARGS`: 执行 `git gc` 命令的参数, 比如： `--aggressive --auto`。
 
 ## Git - 超时设置 (`git.timeout`)
+
+- `DEFAUlT`: **360**: Git操作默认超时时间，单位秒
 - `MIGRATE`: **600**: 迁移外部仓库时的超时时间，单位秒
 - `MIRROR`: **300**: 镜像外部仓库的超时时间，单位秒
 - `CLONE`: **300**: 内部仓库间克隆的超时时间，单位秒

modules/setting/setting.go

@@ -526,6 +526,7 @@ var (
 		MaxGitDiffFiles          int
 		GCArgs                   []string `delim:" "`
 		Timeout                  struct {
+			Default int
 			Migrate int
 			Mirror  int
 			Clone   int
@@ -539,12 +540,14 @@ var (
 		MaxGitDiffFiles:          100,
 		GCArgs:                   []string{},
 		Timeout: struct {
+			Default int
 			Migrate int
 			Mirror  int
 			Clone   int
 			Pull    int
 			GC      int `ini:"GC"`
 		}{
+			Default: int(git.DefaultCommandExecutionTimeout / time.Second),
 			Migrate: 600,
 			Mirror:  300,
 			Clone:   300,
@@ -1142,6 +1145,8 @@ func NewContext() {
 		log.Fatal(4, "Failed to map Metrics settings: %v", err)
 	}
 
+	git.DefaultCommandExecutionTimeout = time.Duration(Git.Timeout.Default) * time.Second
+
 	sec = Cfg.Section("mirror")
 	Mirror.MinInterval = sec.Key("MIN_INTERVAL").MustDuration(10 * time.Minute)
 	Mirror.DefaultInterval = sec.Key("DEFAULT_INTERVAL").MustDuration(8 * time.Hour)