git-town: use buildGoModule

pkgs/tools/misc/git-town/default.nix

@@ -1,10 +1,9 @@
-{ lib, buildGoPackage, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles, git, testers, git-town, makeWrapper }:
 
-buildGoPackage rec {
+buildGoModule rec {
   pname = "git-town";
   version = "7.7.0";
 
-  goPackagePath = "github.com/git-town/git-town";
   src = fetchFromGitHub {
     owner = "git-town";
     repo = "git-town";
@@ -12,12 +11,58 @@ buildGoPackage rec {
     sha256 = "sha256-FpBEBx2gb33fGDndvZmvG1A61NoJ4Qy4V3YQSb+Ugsc=";
   };
 
-  ldflags = [ "-X github.com/git-town/git-town/src/cmd.version=v${version}" "-X github.com/git-town/git-town/src/cmd.buildDate=nix" ];
+  vendorSha256 = null;
+
+  nativeBuildInputs = [ installShellFiles makeWrapper ];
+
+  buildInputs = [ git ];
+
+  ldflags =
+    let
+      modulePath = "github.com/git-town/git-town/v${lib.versions.major version}"; in
+    [
+      "-s"
+      "-w"
+      "-X ${modulePath}/src/cmd.version=v${version}"
+      "-X ${modulePath}/src/cmd.buildDate=nix"
+    ];
+
+  checkInputs = [ git ];
+  preCheck =
+    let
+      skippedTests = [
+        "TestGodog"
+        "TestRunner_CreateChildFeatureBranch"
+        "TestShellRunner_RunStringWith_Dir"
+        "TestMockingShell_MockCommand"
+        "TestShellRunner_RunStringWith_Input"
+      ];
+    in
+    ''
+      HOME=$(mktemp -d)
+      # Disable tests requiring local operations
+      buildFlagsArray+=("-run" "[^(${builtins.concatStringsSep "|" skippedTests})]")
+    '';
+
+  postInstall = ''
+    installShellCompletion --cmd git-town \
+      --bash <($out/bin/git-town completion bash) \
+      --fish <($out/bin/git-town completion fish) \
+      --zsh <($out/bin/git-town completion zsh)
+
+    wrapProgram $out/bin/git-town --prefix PATH : ${lib.makeBinPath [ git ]}
+  '';
+
+  passthru.tests.version = testers.testVersion {
+    package = git-town;
+    command = "git-town version";
+    version = "v${version}";
+  };
 
   meta = with lib; {
     description = "Generic, high-level git support for git-flow workflows";
     homepage = "https://www.git-town.com/";
-    maintainers = [ maintainers.allonsy maintainers.blaggacao ];
     license = licenses.mit;
+    maintainers = with maintainers; [ allonsy blaggacao ];
   };
 }