mkosi.build

   1 #!/bin/sh
   2 set -ex
   3
   4 # This file is part of systemd.
   5 #
   6 # Copyright 2016 Lennart Poettering
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # Lesser General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 # This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
  22 # Simply invoke "mkosi" in the project directory to build an OS image.
  23
  24 # Reset the permissions of the tree. Since Meson keeps the permissions
  25 # all the way to the installed files, reset them to one of 0644 or 0755
  26 # so the files keep those permissions, otherwise details of what umask
  27 # was set at the time the git tree was cloned will leak all the way
  28 # through. Also set umask explicitly during the build.
  29 chmod -R u+w,go-w,a+rX .
  30 umask 022
  31
  32 # If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
  33 # as out-of-tree build dir. Otherwise, let's make up our own builddir.
  34 [ -z "$BUILDDIR" ] && BUILDDIR=build
  35
  36 # Meson uses Python 3 and requires a locale with an UTF-8 character map.
  37 # Not running under UTF-8 makes the `ninja test` step break with a CodecError.
  38 # So let's ensure we're running under UTF-8.
  39 #
  40 # If our current locale already is UTF-8, then we don't need to do anything:
  41 if [ "$(locale charmap)" != "UTF-8" ] ; then
  42         # Try using C.UTF-8 locale, if available. This locale is not shipped
  43         # by upstream glibc, so it's not available in all distros.
  44         # (In particular, it's not available in Arch Linux.)
  45         export LC_CTYPE=C.UTF-8
  46         if [ "$(locale charmap)" != "UTF-8" ] ; then
  47                 # Finally, try something like en_US.UTF-8, which should be
  48                 # available in Arch Linux, but is not present in Debian's
  49                 # minimal image in our mkosi config.
  50                 export LC_CTYPE=en_US.UTF-8
  51                 if [ "$(locale charmap)" != "UTF-8" ] ; then
  52                         # If nothing works, fail early.
  53                         echo "*** Could not find a valid locale that supports UTF-8. ***" >&2
  54                         exit 1
  55                 fi
  56         fi
  57 fi
  58
  59 if [ ! -f "$BUILDDIR"/build.ninja ] ; then
  60         sysvinit_path=`realpath /etc/init.d`
  61
  62         nobody_user=`id -u -n 65534 2> /dev/null`
  63         if [ "$nobody_user" != "" ] ; then
  64                 # Validate that we can translate forth and back
  65                 if [ "`id -u $nobody_user`" != 65534 ] ; then
  66                         nobody_user=""
  67                 fi
  68         fi
  69         if [ "$nobody_user" = "" ] ; then
  70                 if id -u nobody 2> /dev/null ; then
  71                         # The "nobody" user is defined already for something else, pick the Fedora name
  72                         nobody_user=nfsnobody
  73                 else
  74                         # The "nobody" user name is free, use it
  75                         nobody_user=nobody
  76                 fi
  77         fi
  78
  79         nobody_group=`id -g -n 65534 2> /dev/null`
  80         if [ "$nobody_group" != "" ] ; then
  81                 # Validate that we can translate forth and back
  82                 if [ "`id -g $nobody_group`" != 65534 ] ; then
  83                         nobody_group=""
  84                 fi
  85         fi
  86         if [ "$nobody_group" = "" ] ; then
  87                 if id -u nobody 2> /dev/null ; then
  88                         # The "nobody" group is defined already for something else, pick the Fedora name
  89                         nobody_group=nfsnobody
  90                 else
  91                         # The "nobody" group name is free, use it
  92                         nobody_group=nobody
  93                 fi
  94         fi
  95
  96         meson "$BUILDDIR" -D "sysvinit-path=$sysvinit_path" -D default-hierarchy=unified -D man=false -D "nobody-user=$nobody_user" -D "nobody-group=$nobody_group"
  97 fi
  98
  99 ninja -C "$BUILDDIR" all
 100 [ "$WITH_TESTS" = 0 ] || ninja -C "$BUILDDIR" test || ( RET="$?" ; cat "$BUILDDIR"/meson-logs/testlog.txt ; exit "$RET" )
 101 ninja -C "$BUILDDIR" install
 102
 103 mkdir -p "$DESTDIR"/etc
 104
 105 cat > "$DESTDIR"/etc/issue <<EOF
 106 \S (built from systemd tree)
 107 Kernel \r on an \m (\l)
 108
 109 EOF