slurm-spank-stunnel: cleanup

* run pre/post hooks in install and build phase
* replace hostlist patch with upstream patch

pkgs/by-name/sl/slurm-spank-stunnel/hostlist.patch

@@ -1,13 +0,0 @@
-diff --git a/slurm-spank-stunnel.c b/slurm-spank-stunnel.c
-index 81fb4fd..dbe69f6 100644
---- a/slurm-spank-stunnel.c
-+++ b/slurm-spank-stunnel.c
-@@ -278,7 +278,7 @@ int _stunnel_connect_nodes (char* nodes)
- {
- 
-     char* host;
--    hostlist_t hlist;
-+    hostlist_t *hlist;
- 
-     // Connect to the first host in the list
-     hlist = slurm_hostlist_create(nodes);

pkgs/by-name/sl/slurm-spank-stunnel/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   slurm,
 }:
 
@@ -17,18 +18,30 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   patches = [
-    ./hostlist.patch
     ./backward-compat.patch
+    (fetchpatch {
+      name = "hostlist_t-signature.patch";
+      url = "https://github.com/stanford-rc/slurm-spank-stunnel/commit/84d04e4ccfe538a09c3f17a52dde616903b66db8.patch";
+      sha256 = "sha256-RaUYqeNmFPvYci2yX8Bxps1nDjX/UAG+e3JbjbcwrO0=";
+    })
   ];
 
   buildPhase = ''
+    runHook preBuild
+
     gcc -I${lib.getDev slurm}/include -shared -fPIC -o stunnel.so slurm-spank-stunnel.c
+
+    runHook postBuild
   '';
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/lib $out/etc/slurm/plugstack.conf.d
     install -m 755 stunnel.so $out/lib
     install -m 644 plugstack.conf $out/etc/slurm/plugstack.conf.d/stunnel.conf.example
+
+    runHook postInstall
   '';
 
   meta = {