makeself: use installManPage

pkgs/applications/misc/makeself/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, which, zstd, pbzip2 }:
+{ lib, stdenv, fetchFromGitHub, which, zstd, pbzip2, installShellFiles }:
 
 stdenv.mkDerivation rec {
   version = "2.4.5";
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-15lUtErGsbXF2Gn0f0rvA18mMuVMmkKrGO2poeYZU9g=";
   };
 
+  nativeBuildInputs = [ installShellFiles ];
+
   postPatch = "patchShebangs test";
 
   # Issue #110149: our default /bin/sh apparently has 32-bit math only
@@ -22,11 +24,11 @@ stdenv.mkDerivation rec {
   nativeCheckInputs = [ which zstd pbzip2 ];
 
   installPhase = ''
-    mkdir -p $out/{bin,share/{${pname}-${version},man/man1}}
-    cp makeself.lsm README.md $out/share/${pname}-${version}
-    cp makeself.sh $out/bin/makeself
-    cp makeself.1  $out/share/man/man1/
-    cp makeself-header.sh $out/share/${pname}-${version}
+    runHook preInstall
+    installManPage makeself.1
+    install -Dm555 makeself.sh $out/bin/makeself
+    install -Dm444 -t $out/share/${pname}/ makeself.lsm README.md makeself-header.sh
+    runHook postInstall
   '';
 
   fixupPhase = ''