mkosi.build

   1 #!/bin/sh
   2 set -ex
   3
   4 # This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
   5 # Simply invoke "mkosi" in the project directory to build an OS image.
   6
   7 # Reset the permissions of the tree. Since Meson keeps the permissions
   8 # all the way to the installed files, reset them to one of 0644 or 0755
   9 # so the files keep those permissions, otherwise details of what umask
  10 # was set at the time the git tree was cloned will leak all the way
  11 # through. Also set umask explicitly during the build.
  12 chmod -R u+w,go-w,a+rX .
  13 umask 022
  14
  15 # If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
  16 # as out-of-tree build dir. Otherwise, let's make up our own builddir.
  17 [ -z "$BUILDDIR" ] && BUILDDIR=build
  18
  19 # Meson uses Python 3 and requires a locale with an UTF-8 character map.
  20 # Not running under UTF-8 makes the `ninja test` step break with a CodecError.
  21 # So let's ensure we're running under UTF-8.
  22 #
  23 # If our current locale already is UTF-8, then we don't need to do anything:
  24 if [ "$(locale charmap)" != "UTF-8" ] ; then
  25         # Try using C.UTF-8 locale, if available. This locale is not shipped
  26         # by upstream glibc, so it's not available in all distros.
  27         # (In particular, it's not available in Arch Linux.)
  28         export LC_CTYPE=C.UTF-8
  29         if [ "$(locale charmap)" != "UTF-8" ] ; then
  30                 # Finally, try something like en_US.UTF-8, which should be
  31                 # available in Arch Linux, but is not present in Debian's
  32                 # minimal image in our mkosi config.
  33                 export LC_CTYPE=en_US.UTF-8
  34                 if [ "$(locale charmap)" != "UTF-8" ] ; then
  35                         # If nothing works, fail early.
  36                         echo "*** Could not find a valid locale that supports UTF-8. ***" >&2
  37                         exit 1
  38                 fi
  39         fi
  40 fi
  41
  42 if [ ! -f "$BUILDDIR"/build.ninja ] ; then
  43         sysvinit_path=`realpath /etc/init.d`
  44
  45         init_path=`realpath /sbin/init 2>/dev/null`
  46         if [ -z "$init_path" ] ; then
  47             rootprefix=""
  48         else
  49             rootprefix=${init_path%/lib/systemd/systemd}
  50             rootprefix=/${rootprefix#/}
  51         fi
  52
  53         nobody_user=`id -u -n 65534 2> /dev/null`
  54         if [ "$nobody_user" != "" ] ; then
  55                 # Validate that we can translate forth and back
  56                 if [ "`id -u $nobody_user`" != 65534 ] ; then
  57                         nobody_user=""
  58                 fi
  59         fi
  60         if [ "$nobody_user" = "" ] ; then
  61                 if id -u nobody 2> /dev/null ; then
  62                         # The "nobody" user is defined already for something else, pick the Fedora name
  63                         nobody_user=nfsnobody
  64                 else
  65                         # The "nobody" user name is free, use it
  66                         nobody_user=nobody
  67                 fi
  68         fi
  69
  70         nobody_group=`id -g -n 65534 2> /dev/null`
  71         if [ "$nobody_group" != "" ] ; then
  72                 # Validate that we can translate forth and back
  73                 if [ "`id -g $nobody_group`" != 65534 ] ; then
  74                         nobody_group=""
  75                 fi
  76         fi
  77         if [ "$nobody_group" = "" ] ; then
  78                 if id -u nobody 2> /dev/null ; then
  79                         # The "nobody" group is defined already for something else, pick the Fedora name
  80                         nobody_group=nfsnobody
  81                 else
  82                         # The "nobody" group name is free, use it
  83                         nobody_group=nobody
  84                 fi
  85         fi
  86
  87         meson "$BUILDDIR" -D "sysvinit-path=$sysvinit_path" -D "rootprefix=$rootprefix" -D default-hierarchy=unified -D man=false -D "nobody-user=$nobody_user" -D "nobody-group=$nobody_group"
  88 fi
  89
  90 ninja -C "$BUILDDIR" all
  91 if [ "$WITH_TESTS" = 1 ] ; then
  92         for id in 1 2 3; do
  93                 groupadd -g $id testgroup$id || :
  94         done
  95
  96         ninja -C "$BUILDDIR" test
  97 fi
  98 ninja -C "$BUILDDIR" install
  99
 100 mkdir -p "$DESTDIR"/etc
 101
 102 cat > "$DESTDIR"/etc/issue <<EOF
 103 \S (built from systemd tree)
 104 Kernel \r on an \m (\l)
 105
 106 EOF
 107
 108 # Manually update the boot loader from the one we just built
 109 mkdir -p "$DESTDIR"/boot/efi/EFI/systemd "$DESTDIR"/boot/efi/EFI/BOOT
 110 cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/boot/efi/EFI/systemd/systemd-bootx64.efi
 111 cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/boot/efi/EFI/BOOT/bootx64.efi
 112
 113 mkdir -p "$DESTDIR"/efi/EFI/systemd "$DESTDIR"/efi/EFI/BOOT
 114 cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/efi/EFI/systemd/systemd-bootx64.efi
 115 cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/efi/EFI/BOOT/bootx64.efi