feat: subgroups (#91)

Several code-hosters like GitLab allow to have subgroups. These were previously not suppported because we weren't able to tell if something was a subgroup or a subdir.

By letting users specify the `.git` part of the http string as well, this now work for all protocol, including https.

spec/v1/deps/git.go

@@ -106,6 +106,7 @@ const (
 	gitSSHExp = `ssh://git@(?P<host>.+)/(?P<user>.+)/(?P<repo>.+).git`
 	gitSCPExp = `^git@(?P<host>.+):(?P<user>.+)/(?P<repo>.+).git`
 	// The long ugly pattern for ${host} here is a generic pattern for "valid URL with zero or more subdomains and a valid TLD"
+	gitHTTPSSubgroup = `(?P<host>[a-zA-Z0-9][a-zA-Z0-9-\.]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,})/(?P<user>[-_a-zA-Z0-9/]+)/(?P<repo>[-_a-zA-Z0-9]+)\.git`
 	gitHTTPSExp      = `(?P<host>[a-zA-Z0-9][a-zA-Z0-9-\.]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,})/(?P<user>[-_a-zA-Z0-9]+)/(?P<repo>[-_a-zA-Z0-9]+)`
 )
 
@@ -130,6 +131,9 @@ func parseGit(uri string) *Dependency {
 	case reMatch(gitSCPExp, uri):
 		gs, version = match(uri, gitSCPExp)
 		gs.Scheme = GitSchemeSSH
+	case reMatch(gitHTTPSSubgroup, uri):
+		gs, version = match(uri, gitHTTPSSubgroup)
+		gs.Scheme = GitSchemeHTTPS
 	case reMatch(gitHTTPSExp, uri):
 		gs, version = match(uri, gitHTTPSExp)
 		gs.Scheme = GitSchemeHTTPS

spec/v1/deps/git_test.go

@@ -169,6 +169,40 @@ func TestParseGit(t *testing.T) {
 			},
 			wantRemote: "https://git.example.com/foo/bar",
 		},
+		{
+			name: "ValidGitSubgroups",
+			uri:  "example.com/group/subgroup/repository.git",
+			want: &Dependency{
+				Version: "master",
+				Source: Source{
+					GitSource: &Git{
+						Scheme: GitSchemeHTTPS,
+						Host:   "example.com",
+						User:   "group/subgroup",
+						Repo:   "repository",
+						Subdir: "",
+					},
+				},
+			},
+			wantRemote: "https://example.com/group/subgroup/repository",
+		},
+		{
+			name: "ValidGitSubgroupSubDir",
+			uri:  "example.com/group/subgroup/repository.git/subdir",
+			want: &Dependency{
+				Version: "master",
+				Source: Source{
+					GitSource: &Git{
+						Scheme: GitSchemeHTTPS,
+						Host:   "example.com",
+						User:   "group/subgroup",
+						Repo:   "repository",
+						Subdir: "/subdir",
+					},
+				},
+			},
+			wantRemote: "https://example.com/group/subgroup/repository",
+		},
 	}
 
 	for _, c := range tests {