From a072a4206e2056e91d0e92d3ac21d9806eed555c Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Mon, 29 Apr 2024 18:47:41 +0200
Subject: Build man pages inside of Crane derivation

---
 flake.nix | 40 +++++++++++++++++++---------------------
 1 file changed, 19 insertions(+), 21 deletions(-)

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
index 312d624..1a5da5c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,7 +35,15 @@
             extensions = [ "rust-src" ];
           };
           craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
-          src = craneLib.cleanCargoSource (craneLib.path ./.);
+
+          src =
+            let docsFilter = path: _type: builtins.match ".*docs/man/.*\.[1-9]$" path != null;
+                docsOrCargo = path: type:
+                  (docsFilter path type) || (craneLib.filterCargoSources path type);
+            in pkgs.lib.cleanSourceWith {
+              src = craneLib.path ./.;
+              filter = docsOrCargo;
+            };
 
           commonArgs = {
             inherit src;
@@ -46,30 +54,20 @@
 
           cargoArtifacts = craneLib.buildDepsOnly commonArgs;
 
-          gitolfs3-bare = craneLib.buildPackage (commonArgs // {
+          gitolfs3 = (craneLib.buildPackage (commonArgs // {
             # We already have the gitolfs3-nextest check
             doCheck = false;
-          });
-
-          gitolfs3-man = pkgs.stdenv.mkDerivation {
-            name = "gitolfs3-man";
-
-            src = ./docs/man;
-
-            installPhase = ''
-              install -D gitolfs3-authenticate.1 $out/share/man/gitolfs3-authenticate.1
-              install -D gitolfs3-server.1 $out/share/man/gitolfs3-server.1
-              install -D gitolfs3-shell.1 $out/share/man/gitolfs3-shell.1
+          })).overrideAttrs(old: old // {
+            postInstall = (old.postInstall or "") + ''
+              ls docs
+              ls docs/man
+              install -D docs/man/gitolfs3-authenticate.1 $man/share/man/gitolfs3-authenticate.1
+              install -D docs/man/gitolfs3-server.1 $man/share/man/gitolfs3-server.1
+              install -D docs/man/gitolfs3-shell.1 $man/share/man/gitolfs3-shell.1
             '';
-          };
-
-          gitolfs3 = pkgs.buildEnv {
-            name = "gitolfs3";
-
-            paths = [ gitolfs3-bare gitolfs3-man ];
 
-            pathsToLink = [ "/bin" "/share/man" ];
-          };
+            outputs = [ "out" "man" ];
+          });
         in
         {
           checks = {
-- 
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