Clean up ref name rules (#6437)

* Clean up ref name rules

Clean up checks on reference names to better conform to the guideline
here: https://git-scm.com/docs/git-check-ref-format

This fixes half of #6321

* Update branch create integration test

According to: https://git-scm.com/docs/git-check-ref-format

And: git check-ref-format "master/feature=test1"

This is a valid branch name and we should not be testing for it to fail.

1 files changed, 124 insertions, 0 deletions

diff --git a/modules/validation/refname_test.go b/modules/validation/refname_test.go
index b101ffafef..57e3f1bf8e 100644
--- a/modules/validation/refname_test.go
+++ b/modules/validation/refname_test.go
@@ -26,6 +26,13 @@ var gitRefNameValidationTestCases = []validationTestCase{
 		expectedErrors: binding.Errors{},
 	},
 	{
+		description: "Reference name has allowed special characters",
+		data: TestForm{
+			BranchName: "debian/1%1.6.0-2",
+		},
+		expectedErrors: binding.Errors{},
+	},
+	{
 		description: "Reference name contains backslash",
 		data: TestForm{
 			BranchName: "feature\\test",
@@ -129,6 +136,123 @@ var gitRefNameValidationTestCases = []validationTestCase{
 			},
 		},
 	},
+	{
+		description: "Reference name is single @",
+		data: TestForm{
+			BranchName: "@",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has @{",
+		data: TestForm{
+			BranchName: "branch@{",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character ~",
+		data: TestForm{
+			BranchName: "~debian/1%1.6.0-2",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character *",
+		data: TestForm{
+			BranchName: "*debian/1%1.6.0-2",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character ?",
+		data: TestForm{
+			BranchName: "?debian/1%1.6.0-2",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character ^",
+		data: TestForm{
+			BranchName: "^debian/1%1.6.0-2",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character :",
+		data: TestForm{
+			BranchName: "debian:jessie",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character (whitespace)",
+		data: TestForm{
+			BranchName: "debian jessie",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
+	{
+		description: "Reference name has unallowed special character [",
+		data: TestForm{
+			BranchName: "debian[jessie",
+		},
+		expectedErrors: binding.Errors{
+			binding.Error{
+				FieldNames:     []string{"BranchName"},
+				Classification: ErrGitRefName,
+				Message:        "GitRefName",
+			},
+		},
+	},
 }
 
 func Test_GitRefNameValidation(t *testing.T) {