diff options
Diffstat (limited to 'modules/git/ref.go')
| -rw-r--r-- | modules/git/ref.go | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/modules/git/ref.go b/modules/git/ref.go index 9fd071ce58..2f459148a2 100644 --- a/modules/git/ref.go +++ b/modules/git/ref.go @@ -4,7 +4,10 @@ package git -import "strings" +import ( + "regexp" + "strings" +) const ( // RemotePrefix is the base directory of the remotes information of git. @@ -15,6 +18,29 @@ const ( pullLen = len(PullPrefix) ) +// refNamePatternInvalid is regular expression with unallowed characters in git reference name +// They cannot have ASCII control characters (i.e. bytes whose values are lower than \040, or \177 DEL), space, tilde ~, caret ^, or colon : anywhere. +// They cannot have question-mark ?, asterisk *, or open bracket [ anywhere +var refNamePatternInvalid = regexp.MustCompile( + `[\000-\037\177 \\~^:?*[]|` + // No absolutely invalid characters + `(?:^[/.])|` + // Not HasPrefix("/") or "." + `(?:/\.)|` + // no "/." + `(?:\.lock$)|(?:\.lock/)|` + // No ".lock/"" or ".lock" at the end + `(?:\.\.)|` + // no ".." anywhere + `(?://)|` + // no "//" anywhere + `(?:@{)|` + // no "@{" + `(?:[/.]$)|` + // no terminal '/' or '.' + `(?:^@$)`) // Not "@" + +// IsValidRefPattern ensures that the provided string could be a valid reference +func IsValidRefPattern(name string) bool { + return !refNamePatternInvalid.MatchString(name) +} + +func SanitizeRefPattern(name string) string { + return refNamePatternInvalid.ReplaceAllString(name, "_") +} + // Reference represents a Git ref. type Reference struct { Name string |