Merge remote-tracking branch 'origin/master' into systemd-219

nixos/modules/system/boot/stage-1-init.sh

@@ -135,7 +135,7 @@ ln -s @modulesClosure@/lib/modules /lib/modules
 echo @extraUtils@/bin/modprobe > /proc/sys/kernel/modprobe
 for i in @kernelModules@; do
     echo "loading module $(basename $i)..."
-    modprobe $i || true
+    modprobe $i
 done
 
 
@@ -146,7 +146,7 @@ ln -sfn @udevRules@ /etc/udev/rules.d
 mkdir -p /dev/.mdadm
 systemd-udevd --daemon
 udevadm trigger --action=add
-udevadm settle || true
+udevadm settle
 
 
 # Load boot-time keymap before any LVM/LUKS initialization
@@ -290,10 +290,23 @@ mountFS() {
         if [ -z "$fsType" ]; then fsType=auto; fi
     fi
 
-    echo "$device /mnt-root$mountPoint $fsType $options" >> /etc/fstab
+    # Filter out x- options, which busybox doesn't do yet.
+    local optionsFiltered="$(IFS=,; for i in $options; do if [ "${i:0:2}" != "x-" ]; then echo -n $i,; fi; done)"
+
+    echo "$device /mnt-root$mountPoint $fsType $optionsFiltered" >> /etc/fstab
 
     checkFS "$device" "$fsType"
 
+    # Optionally resize the filesystem.
+    case $options in
+        *x-nixos.autoresize*)
+            if [ "$fsType" = ext2 -o "$fsType" = ext3 -o "$fsType" = ext4 ]; then
+                echo "resizing $device..."
+                resize2fs "$device"
+            fi
+            ;;
+    esac
+
     # Create backing directories for unionfs-fuse.
     if [ "$fsType" = unionfs-fuse ]; then
         for i in $(IFS=:; echo ${options##*,dirs=}); do
@@ -303,7 +316,7 @@ mountFS() {
 
     echo "mounting $device on $mountPoint..."
 
-    mkdir -p "/mnt-root$mountPoint" || true
+    mkdir -p "/mnt-root$mountPoint"
 
     # For CIFS mounts, retry a few times before giving up.
     local n=0
@@ -375,7 +388,7 @@ while read -u 3 mountPoint; do
 
     # Wait once more for the udev queue to empty, just in case it's
     # doing something with $device right now.
-    udevadm settle || true
+    udevadm settle
 
     mountFS "$device" "$mountPoint" "$options" "$fsType"
 done
@@ -388,9 +401,9 @@ exec 3>&-
 
 # Emit a udev rule for /dev/root to prevent systemd from complaining.
 if [ -e /mnt-root/iso ]; then
-    eval $(udevadm info --export --export-prefix=ROOT_ --device-id-of-file=/mnt-root/iso || true)
+    eval $(udevadm info --export --export-prefix=ROOT_ --device-id-of-file=/mnt-root/iso)
 else
-    eval $(udevadm info --export --export-prefix=ROOT_ --device-id-of-file=$targetRoot || true)
+    eval $(udevadm info --export --export-prefix=ROOT_ --device-id-of-file=$targetRoot)
 fi
 if [ "$ROOT_MAJOR" -a "$ROOT_MINOR" -a "$ROOT_MAJOR" != 0 ]; then
     mkdir -p /run/udev/rules.d
@@ -399,7 +412,7 @@ fi
 
 
 # Stop udevd.
-udevadm control --exit || true
+udevadm control --exit
 
 # Kill any remaining processes, just to be sure we're not taking any
 # with us into stage 2. But keep storage daemons like unionfs-fuse.

nixos/modules/system/boot/stage-1.nix

@@ -70,6 +70,12 @@ let
       copy_bin_and_libs ${pkgs.kmod}/bin/kmod
       ln -sf kmod $out/bin/modprobe
 
+      # Copy resize2fs if needed.
+      ${optionalString (any (fs: fs.autoResize) (attrValues config.fileSystems)) ''
+        # We need mke2fs in the initrd.
+        copy_bin_and_libs ${pkgs.e2fsprogs}/sbin/resize2fs
+      ''}
+
       ${config.boot.initrd.extraUtilsCommands}
 
       # Copy ld manually since it isn't detected correctly
@@ -393,7 +399,6 @@ in
       }
     ];
 
-
     system.build.bootStage1 = bootStage1;
     system.build.initialRamdisk = initialRamdisk;
     system.build.extraUtils = extraUtils;

nixos/modules/system/boot/systemd.nix

@@ -444,6 +444,17 @@ in
       '';
     };
 
+    systemd.generators = mkOption {
+      type = types.attrsOf types.path;
+      default = {};
+      example = { "systemd-gpt-auto-generator" = "/dev/null"; };
+      description = ''
+        Definition of systemd generators.
+        For each <literal>NAME = VALUE</literal> pair of the attrSet, a link is generated from
+        <literal>/etc/systemd/system-generators/NAME</literal> to <literal>VALUE</literal>.
+      '';
+    };
+
     systemd.defaultUnit = mkOption {
       default = "multi-user.target";
       type = types.str;
@@ -600,20 +611,17 @@ in
 
     environment.systemPackages = [ systemd ];
 
-    environment.etc."systemd/system".source =
-      generateUnits "system" cfg.units upstreamSystemUnits upstreamSystemWants;
+    environment.etc = {
+      "systemd/system".source = generateUnits "system" cfg.units upstreamSystemUnits upstreamSystemWants;
 
-    environment.etc."systemd/user".source =
-      generateUnits "user" cfg.user.units upstreamUserUnits [];
+      "systemd/user".source = generateUnits "user" cfg.user.units upstreamUserUnits [];
 
-    environment.etc."systemd/system.conf".text =
-      ''
+      "systemd/system.conf".text = ''
         [Manager]
         ${config.systemd.extraConfig}
       '';
 
-    environment.etc."systemd/journald.conf".text =
-      ''
+      "systemd/journald.conf".text = ''
         [Journal]
         RateLimitInterval=${config.services.journald.rateLimitInterval}
         RateLimitBurst=${toString config.services.journald.rateLimitBurst}
@@ -624,17 +632,26 @@ in
         ${config.services.journald.extraConfig}
       '';
 
-    environment.etc."systemd/logind.conf".text =
-      ''
+      "systemd/logind.conf".text = ''
         [Login]
         ${config.services.logind.extraConfig}
       '';
 
-    environment.etc."systemd/sleep.conf".text =
-      ''
+      "systemd/sleep.conf".text = ''
         [Sleep]
       '';
 
+      "tmpfiles.d/systemd.conf".source = "${systemd}/example/tmpfiles.d/systemd.conf";
+      "tmpfiles.d/x11.conf".source = "${systemd}/example/tmpfiles.d/x11.conf";
+
+      "tmpfiles.d/nixos.conf".text = ''
+        # This file is created automatically and should not be modified.
+        # Please change the option ‘systemd.tmpfiles.rules’ instead.
+
+        ${concatStringsSep "\n" cfg.tmpfiles.rules}
+      '';
+    } // mapAttrs' (n: v: nameValuePair "systemd/system-generators/${n}" {"source"=v;}) cfg.generators;
+
     system.activationScripts.systemd = stringAfter [ "groups" ]
       ''
         mkdir -m 0755 -p /var/lib/udev
@@ -735,17 +752,6 @@ in
         startSession = true;
       };
 
-    environment.etc."tmpfiles.d/systemd.conf".source = "${systemd}/example/tmpfiles.d/systemd.conf";
-    environment.etc."tmpfiles.d/x11.conf".source = "${systemd}/example/tmpfiles.d/x11.conf";
-
-    environment.etc."tmpfiles.d/nixos.conf".text =
-      ''
-        # This file is created automatically and should not be modified.
-        # Please change the option ‘systemd.tmpfiles.rules’ instead.
-
-        ${concatStringsSep "\n" cfg.tmpfiles.rules}
-      '';
-
     # Some overrides to upstream units.
     systemd.services."systemd-backlight@".restartIfChanged = false;
     systemd.services."systemd-rfkill@".restartIfChanged = false;