Merge branch 'master' into fetchGitRepo

4 files changed, 100 insertions, 4 deletions

diff --git a/pkgs/build-support/emacs/buffer.nix b/pkgs/build-support/emacs/buffer.nix
index 1cbac0709a66..6c5e0570fd0d 100644
--- a/pkgs/build-support/emacs/buffer.nix
+++ b/pkgs/build-support/emacs/buffer.nix
@@ -39,6 +39,8 @@
       (make-local-variable 'process-environment)
       (put 'process-environment 'permanent-local t)
       (inherit-local 'process-environment)
+      ; setenv modifies in place, so copy the environment first
+      (setq process-environment (copy-tree process-environment))
       (setenv "PATH" (concat "${lib.makeSearchPath "bin" pkgs}:" (getenv "PATH")))
       (inherit-local-permanent exec-path (append '(${builtins.concatStringsSep " " (map (p: "\"${p}/bin\"") pkgs)}) exec-path))
 
diff --git a/pkgs/build-support/fetchrepoproject/default.nix b/pkgs/build-support/fetchrepoproject/default.nix
index 8d5259908d79..13a281b12d73 100644
--- a/pkgs/build-support/fetchrepoproject/default.nix
+++ b/pkgs/build-support/fetchrepoproject/default.nix
@@ -27,13 +27,23 @@ let
 
 in
 
-stdenv.mkDerivation {
+with stdenv.lib;
 
+let
+  extraRepoInitFlags = [
+    (optionalString (repoRepoURL != "") "--repo-url=${repoRepoURL}")
+    (optionalString (repoRepoRev != "") "--repo-branch=${repoRepoRev}")
+    (optionalString (referenceDir != "") "--reference=${referenceDir}")
+  ];
+in
+
+stdenv.mkDerivation {
   buildCommand = ''
     mkdir .repo
     ${optionalString (local_manifests != []) ''
     mkdir ./.repo/local_manifests
     for local_manifest in ${concatMapStringsSep " " toString local_manifests}
+
     do
       cp $local_manifest ./.repo/local_manifests/$(stripHash $local_manifest; echo $strippedName)
     done
diff --git a/pkgs/build-support/kde/wrapper.nix b/pkgs/build-support/kde/wrapper.nix
index f5add12e8eca..228eb696bd9a 100644
--- a/pkgs/build-support/kde/wrapper.nix
+++ b/pkgs/build-support/kde/wrapper.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, makeWrapper, buildEnv }:
+{ stdenv, lib, makeWrapper, buildEnv, gtk3, dconf }:
 
 packages:
 
@@ -47,10 +47,11 @@ stdenv.mkDerivation {
                     --argv0 '"$0"' \
                     --suffix PATH : "$env/bin" \
                     --prefix XDG_CONFIG_DIRS : "$env/etc/xdg" \
-                    --prefix XDG_DATA_DIRS : "$env/share" \
+                    --prefix XDG_DATA_DIRS : "$env/share:${gtk3}/share/gsettings-schemas/${gtk3.name}" \
                     --set QML_IMPORT_PATH "$env/lib/qt5/imports" \
                     --set QML2_IMPORT_PATH "$env/lib/qt5/qml" \
-                    --set QT_PLUGIN_PATH "$env/lib/qt5/plugins"
+                    --set QT_PLUGIN_PATH "$env/lib/qt5/plugins" \
+                    --prefix GIO_EXTRA_MODULES : "${dconf.lib}/lib/gio/modules"
                 good="1"
                 break
             fi
diff --git a/pkgs/build-support/setup-systemd-units.nix b/pkgs/build-support/setup-systemd-units.nix
new file mode 100644
index 000000000000..4fa2f42c39dc
--- /dev/null
+++ b/pkgs/build-support/setup-systemd-units.nix
@@ -0,0 +1,83 @@
+# | Build a script to install and start a set of systemd units on any
+# systemd-based system.
+#
+# Creates a symlink at /etc/systemd-static/${namespace} for slightly
+# improved atomicity.
+{ writeScriptBin
+, bash
+, coreutils
+, systemd
+, runCommand
+, lib
+}:
+  { units     # : AttrSet String (Either Path { path : Path, wanted-by : [ String ] })
+              # ^ A set whose names are unit names and values are
+              # either paths to the corresponding unit files or a set
+              # containing the path and the list of units this unit
+              # should be wanted-by (none by default).
+              #
+              # The names should include the unit suffix
+              # (e.g. ".service")
+  , namespace # : String
+              # The namespace for the unit files, to allow for
+              # multiple independent unit sets managed by
+              # `setupSystemdUnits`.
+  }:
+    let static = runCommand "systemd-static" {}
+          ''
+            mkdir -p $out
+            ${lib.concatStringsSep "\n" (lib.mapAttrsToList (nm: file:
+                "ln -sv ${file.path or file} $out/${nm}"
+             ) units)}
+          '';
+        add-unit-snippet = name: file:
+          ''
+            oldUnit=$(readlink -f "$unitDir/${name}" || echo "$unitDir/${name}")
+            if [ -f "$oldUnit" -a "$oldUnit" != "${file.path or file}" ]; then
+              unitsToStop+=("${name}")
+            fi
+            ln -sf "/etc/systemd-static/${namespace}/${name}" \
+              "$unitDir/.${name}.tmp"
+            mv -T "$unitDir/.${name}.tmp" "$unitDir/${name}"
+            ${lib.concatStringsSep "\n" (map (unit:
+                ''
+                  mkdir -p "$unitDir/${unit}.wants"
+                  ln -sf "../${name}" \
+                    "$unitDir/${unit}.wants/.${name}.tmp"
+                  mv -T "$unitDir/${unit}.wants/.${name}.tmp" \
+                    "$unitDir/${unit}.wants/${name}"
+                ''
+              ) file.wanted-by or [])}
+            unitsToStart+=("${name}")
+          '';
+    in
+      writeScriptBin "setup-systemd-units"
+        ''
+          #!${bash}/bin/bash -e
+          export PATH=${coreutils}/bin:${systemd}/bin
+
+          unitDir=/etc/systemd/system
+          if [ ! -w "$unitDir" ]; then
+            unitDir=/etc/systemd-mutable/system
+            mkdir -p "$unitDir"
+          fi
+          declare -a unitsToStop unitsToStart
+
+          oldStatic=$(readlink -f /etc/systemd-static/${namespace} || true)
+          if [ "$oldStatic" != "${static}" ]; then
+            ${lib.concatStringsSep "\n"
+                (lib.mapAttrsToList add-unit-snippet units)}
+            if [ ''${#unitsToStop[@]} -ne 0 ]; then
+              echo "Stopping unit(s) ''${unitsToStop[@]}" >&2
+              systemctl stop "''${unitsToStop[@]}"
+            fi
+            mkdir -p /etc/systemd-static
+            ln -sfT ${static} /etc/systemd-static/.${namespace}.tmp
+            mv -T /etc/systemd-static/.${namespace}.tmp /etc/systemd-static/${namespace}
+            systemctl daemon-reload
+            echo "Starting unit(s) ''${unitsToStart[@]}" >&2
+            systemctl start "''${unitsToStart[@]}"
+          else
+            echo "Units unchanged, doing nothing" >&2
+          fi
+        ''