From 813c6d46641976befcfdfdb1bdaaf7a84bb34d03 Mon Sep 17 00:00:00 2001
From: Kirill Elagin <kirelagin@gmail.com>
Date: Sun, 6 Jan 2019 14:41:22 +0300
Subject: [PATCH 1/2] git, gitweb: Fix git-instaweb

* Make the build system embed the correct path to gitweb into git-instaweb
* Move gitweb fixups to the git expression, to make sure that gitweb
used by git-instaweb is functional
* This will increase the closure size of git, but only with perlSupport
---
 .../git-and-tools/git/default.nix               | 17 ++++++++++++++---
 .../git-and-tools/gitweb/default.nix            | 13 +------------
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/pkgs/applications/version-management/git-and-tools/git/default.nix b/pkgs/applications/version-management/git-and-tools/git/default.nix
index 46e88b1e0fc4..9c405d0aba8c 100644
--- a/pkgs/applications/version-management/git-and-tools/git/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git/default.nix
@@ -14,6 +14,7 @@
 , darwin
 , withLibsecret ? false
 , pkgconfig, glib, libsecret
+, gzip # needed at runtime by gitweb.cgi
 }:
 
 assert sendEmailSupport -> perlSupport;
@@ -22,6 +23,8 @@ assert svnSupport -> perlSupport;
 let
   version = "2.19.2";
   svn = subversionClient.override { perlBindings = perlSupport; };
+
+  gitwebPerlLibs = with perlPackages; [ CGI HTMLParser CGIFast FCGI FCGIProcManager HTMLTagCloud ];
 in
 
 stdenv.mkDerivation {
@@ -84,6 +87,7 @@ stdenv.mkDerivation {
 
   makeFlags = [
     "prefix=\${out}"
+    "gitwebdir=\${gitweb}"  # put in separate package for simpler maintenance
     "SHELL_PATH=${stdenv.shell}"
   ]
   ++ (if perlSupport then ["PERL_PATH=${perlPackages.perl}/bin/perl"] else ["NO_PERL=1"])
@@ -169,9 +173,6 @@ stdenv.mkDerivation {
       # HTTP(s) transports for pushing
       ln -s $out/libexec/git-core/git-http-backend $out/bin/git-http-backend
     '' + stdenv.lib.optionalString perlSupport ''
-      # put in separate package for simpler maintenance
-      mv $out/share/gitweb $gitweb/
-
       # wrap perl commands
       makeWrapper "$out/share/git/contrib/credential/netrc/git-credential-netrc" $out/bin/git-credential-netrc \
                   --set PERL5LIB   "$out/${perlPackages.perl.libPrefix}:${perlPackages.makePerlPath perlLibs}"
@@ -185,6 +186,16 @@ stdenv.mkDerivation {
                   --set GITPERLLIB "$out/${perlPackages.perl.libPrefix}:${perlPackages.makePerlPath perlLibs}"
       wrapProgram $out/libexec/git-core/git-cvsexportcommit \
                   --set GITPERLLIB "$out/${perlPackages.perl.libPrefix}:${perlPackages.makePerlPath perlLibs}"
+
+      # gzip (and optionally bzip2, xz, zip) are runtime dependencies for
+      # gitweb.cgi, need to patch so that it's found
+      sed -i -e "s|'compressor' => \['gzip'|'compressor' => ['${gzip}/bin/gzip'|" \
+          $gitweb/gitweb.cgi
+      # Give access to CGI.pm and friends (was removed from perl core in 5.22)
+      for p in ${stdenv.lib.concatStringsSep " " gitwebPerlLibs}; do
+          sed -i -e "/use CGI /i use lib \"$p/${perlPackages.perl.libPrefix}\";" \
+              "$gitweb/gitweb.cgi"
+      done
     ''
 
    + (if svnSupport then ''
diff --git a/pkgs/applications/version-management/git-and-tools/gitweb/default.nix b/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
index a98dd5bc5862..f165fa6b05ca 100644
--- a/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
@@ -1,8 +1,7 @@
-{ stdenv, git, gzip, perlPackages, fetchFromGitHub
+{ stdenv, git, fetchFromGitHub
 , gitwebTheme ? false }:
 
 let
-  gitwebPerlLibs = with perlPackages; [ CGI HTMLParser CGIFast FCGI FCGIProcManager HTMLTagCloud ];
   gitwebThemeSrc = fetchFromGitHub {
     owner = "kogakure";
     repo = "gitweb-theme";
@@ -18,16 +17,6 @@ in stdenv.mkDerivation {
       mkdir $out
       mv * $out
 
-      # gzip (and optionally bzip2, xz, zip) are runtime dependencies for
-      # gitweb.cgi, need to patch so that it's found
-      sed -i -e "s|'compressor' => \['gzip'|'compressor' => ['${gzip}/bin/gzip'|" \
-          $out/gitweb.cgi
-      # Give access to CGI.pm and friends (was removed from perl core in 5.22)
-      for p in ${stdenv.lib.concatStringsSep " " gitwebPerlLibs}; do
-          sed -i -e "/use CGI /i use lib \"$p/${perlPackages.perl.libPrefix}\";" \
-              "$out/gitweb.cgi"
-      done
-
       ${stdenv.lib.optionalString gitwebTheme "cp ${gitwebThemeSrc}/* $out/static"}
   '';
 

From 047def418ee726a43b46bce6d93f26e2dd705cb4 Mon Sep 17 00:00:00 2001
From: Kirill Elagin <kirelagin@gmail.com>
Date: Sun, 6 Jan 2019 16:09:20 +0300
Subject: [PATCH 2/2] git: Do not split gitweb output

This partially reverts 9029ed933c69287c64a30d40b6b4f9f1ace7dd94 as
`git-instaweb`, which comes with git, needs on gitweb and having them in
separate outputs results in a cycle.
---
 .../git-and-tools/git/default.nix             |  7 +++---
 .../git-and-tools/gitweb/default.nix          | 23 ++++++++++---------
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/pkgs/applications/version-management/git-and-tools/git/default.nix b/pkgs/applications/version-management/git-and-tools/git/default.nix
index 9c405d0aba8c..8be4dcc95c83 100644
--- a/pkgs/applications/version-management/git-and-tools/git/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
     sha256 = "1scbggzghkzzfqg4ky3qh7h9w87c3zya4ls5disz7dbx56is7sgw";
   };
 
-  outputs = [ "out" ] ++ stdenv.lib.optional perlSupport "gitweb";
+  outputs = [ "out" ];
 
   hardeningDisable = [ "format" ];
 
@@ -87,7 +87,6 @@ stdenv.mkDerivation {
 
   makeFlags = [
     "prefix=\${out}"
-    "gitwebdir=\${gitweb}"  # put in separate package for simpler maintenance
     "SHELL_PATH=${stdenv.shell}"
   ]
   ++ (if perlSupport then ["PERL_PATH=${perlPackages.perl}/bin/perl"] else ["NO_PERL=1"])
@@ -190,11 +189,11 @@ stdenv.mkDerivation {
       # gzip (and optionally bzip2, xz, zip) are runtime dependencies for
       # gitweb.cgi, need to patch so that it's found
       sed -i -e "s|'compressor' => \['gzip'|'compressor' => ['${gzip}/bin/gzip'|" \
-          $gitweb/gitweb.cgi
+          $out/share/gitweb/gitweb.cgi
       # Give access to CGI.pm and friends (was removed from perl core in 5.22)
       for p in ${stdenv.lib.concatStringsSep " " gitwebPerlLibs}; do
           sed -i -e "/use CGI /i use lib \"$p/${perlPackages.perl.libPrefix}\";" \
-              "$gitweb/gitweb.cgi"
+              "$out/share/gitweb/gitweb.cgi"
       done
     ''
 
diff --git a/pkgs/applications/version-management/git-and-tools/gitweb/default.nix b/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
index f165fa6b05ca..afd90ba49690 100644
--- a/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/gitweb/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, git, fetchFromGitHub
+{ stdenv, buildEnv, git, fetchFromGitHub
 , gitwebTheme ? false }:
 
 let
@@ -6,19 +6,20 @@ let
     owner = "kogakure";
     repo = "gitweb-theme";
     rev = "049b88e664a359f8ec25dc6f531b7e2aa60dd1a2";
-    sha256 = "0wksqma41z36dbv6w6iplkjfdm0ha3njp222fakyh4lismajr71p";
+    extraPostFetch = ''
+      mkdir -p "$TMPDIR/gitwebTheme"
+      mv "$out"/* "$TMPDIR/gitwebTheme/"
+      mkdir "$out/static"
+      mv "$TMPDIR/gitwebTheme"/* "$out/static/"
+    '';
+    sha256 = "17hypq6jvhy6zhh26lp3nyi52npfd5wy5752k6sq0shk4na2acqi";
   };
-in stdenv.mkDerivation {
+in buildEnv {
   name = "gitweb-${stdenv.lib.getVersion git}";
 
-  src = git.gitweb;
-
-  installPhase = ''
-      mkdir $out
-      mv * $out
-
-      ${stdenv.lib.optionalString gitwebTheme "cp ${gitwebThemeSrc}/* $out/static"}
-  '';
+  ignoreCollisions = true;
+  paths = stdenv.lib.optional gitwebTheme "${gitwebThemeSrc}"
+       ++ [ "${git}/share/gitweb" ];
 
   meta = git.meta // {
     maintainers = with stdenv.lib.maintainers; [ gnidorah ];