nix-prefetch: modernize

pkgs/by-name/ni/nix-prefetch/package.nix

@@ -3,31 +3,38 @@
   stdenv,
   fetchFromGitHub,
   fetchpatch,
-  installShellFiles,
-  makeWrapper,
+
+  # nativeBuildInputs
   asciidoc,
   docbook_xml_dtd_45,
-  git,
   docbook_xsl,
+  installShellFiles,
   libxml2,
   libxslt,
+  makeWrapper,
+
+  # wrapper
   coreutils,
   gawk,
+  gitMinimal,
   gnugrep,
   gnused,
   jq,
   nix,
+
+  versionCheckHook,
+  gitUpdater,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "nix-prefetch";
   version = "0.4.1";
 
   src = fetchFromGitHub {
     owner = "msteen";
     repo = "nix-prefetch";
-    rev = version;
-    sha256 = "0bwv6x651gyq703pywrhb7lfby6xwnd1iwnrzzjihipn7x3v2hz9";
+    tag = finalAttrs.version;
+    hash = "sha256-6UOxRz/2Rhjl/9nyGJrl3fjl6Fkwc38HONi/UEw3my8=";
     # the stat call has to be in a subshell or we get the current date
     postFetch = ''
       echo $(stat -c %Y $out) > $out/.timestamp
@@ -43,7 +50,7 @@ stdenv.mkDerivation rec {
   ];
 
   postPatch = ''
-    lib=$out/lib/${pname}
+    lib=$out/lib/nix-prefetch
 
     substituteInPlace doc/nix-prefetch.1.asciidoc \
       --subst-var-by version $version
@@ -76,12 +83,12 @@ stdenv.mkDerivation rec {
   installPhase = ''
     install -Dm555 -t $lib src/*.sh
     install -Dm444 -t $lib lib/*
-    makeWrapper $lib/main.sh $out/bin/${pname} \
+    makeWrapper $lib/main.sh $out/bin/nix-prefetch \
       --prefix PATH : ${
         lib.makeBinPath [
           coreutils
           gawk
-          git
+          gitMinimal
           gnugrep
           gnused
           jq
@@ -91,18 +98,29 @@ stdenv.mkDerivation rec {
 
     installManPage doc/nix-prefetch.?
 
-    installShellCompletion --name ${pname} contrib/nix-prefetch-completion.{bash,zsh}
+    installShellCompletion --name nix-prefetch contrib/nix-prefetch-completion.{bash,zsh}
 
-    mkdir -p $out/share/doc/${pname}/contrib
-    cp -r contrib/hello_rs $out/share/doc/${pname}/contrib
+    mkdir -p $out/share/doc/nix-prefetch/contrib
+    cp -r contrib/hello_rs $out/share/doc/nix-prefetch/contrib
   '';
 
-  meta = with lib; {
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+  versionCheckProgramArg = [ "--version" ];
+  doInstallCheck = true;
+
+  passthru = {
+    updateScript = gitUpdater { };
+  };
+
+  meta = {
     description = "Prefetch any fetcher function call, e.g. package sources";
-    license = licenses.mit;
-    maintainers = with maintainers; [ msteen ];
     homepage = "https://github.com/msteen/nix-prefetch";
-    platforms = platforms.all;
+    changelog = "https://github.com/msteen/nix-prefetch/blob/${finalAttrs.version}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ msteen ];
+    platforms = lib.platforms.all;
     mainProgram = "nix-prefetch";
   };
-}
+})