mkosi.build

   1 #!/bin/sh
   2 set -ex
   3
   4 # This file is part of systemd.
   5 #
   6 # Copyright 2016 Lennart Poettering
   7
   8 # This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
   9 # Simply invoke "mkosi" in the project directory to build an OS image.
  10
  11 # Reset the permissions of the tree. Since Meson keeps the permissions
  12 # all the way to the installed files, reset them to one of 0644 or 0755
  13 # so the files keep those permissions, otherwise details of what umask
  14 # was set at the time the git tree was cloned will leak all the way
  15 # through. Also set umask explicitly during the build.
  16 chmod -R u+w,go-w,a+rX .
  17 umask 022
  18
  19 # If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
  20 # as out-of-tree build dir. Otherwise, let's make up our own builddir.
  21 [ -z "$BUILDDIR" ] && BUILDDIR=build
  22
  23 # Meson uses Python 3 and requires a locale with an UTF-8 character map.
  24 # Not running under UTF-8 makes the `ninja test` step break with a CodecError.
  25 # So let's ensure we're running under UTF-8.
  26 #
  27 # If our current locale already is UTF-8, then we don't need to do anything:
  28 if [ "$(locale charmap)" != "UTF-8" ] ; then
  29         # Try using C.UTF-8 locale, if available. This locale is not shipped
  30         # by upstream glibc, so it's not available in all distros.
  31         # (In particular, it's not available in Arch Linux.)
  32         export LC_CTYPE=C.UTF-8
  33         if [ "$(locale charmap)" != "UTF-8" ] ; then
  34                 # Finally, try something like en_US.UTF-8, which should be
  35                 # available in Arch Linux, but is not present in Debian's
  36                 # minimal image in our mkosi config.
  37                 export LC_CTYPE=en_US.UTF-8
  38                 if [ "$(locale charmap)" != "UTF-8" ] ; then
  39                         # If nothing works, fail early.
  40                         echo "*** Could not find a valid locale that supports UTF-8. ***" >&2
  41                         exit 1
  42                 fi
  43         fi
  44 fi
  45
  46 if [ ! -f "$BUILDDIR"/build.ninja ] ; then
  47         sysvinit_path=`realpath /etc/init.d`
  48
  49         nobody_user=`id -u -n 65534 2> /dev/null`
  50         if [ "$nobody_user" != "" ] ; then
  51                 # Validate that we can translate forth and back
  52                 if [ "`id -u $nobody_user`" != 65534 ] ; then
  53                         nobody_user=""
  54                 fi
  55         fi
  56         if [ "$nobody_user" = "" ] ; then
  57                 if id -u nobody 2> /dev/null ; then
  58                         # The "nobody" user is defined already for something else, pick the Fedora name
  59                         nobody_user=nfsnobody
  60                 else
  61                         # The "nobody" user name is free, use it
  62                         nobody_user=nobody
  63                 fi
  64         fi
  65
  66         nobody_group=`id -g -n 65534 2> /dev/null`
  67         if [ "$nobody_group" != "" ] ; then
  68                 # Validate that we can translate forth and back
  69                 if [ "`id -g $nobody_group`" != 65534 ] ; then
  70                         nobody_group=""
  71                 fi
  72         fi
  73         if [ "$nobody_group" = "" ] ; then
  74                 if id -u nobody 2> /dev/null ; then
  75                         # The "nobody" group is defined already for something else, pick the Fedora name
  76                         nobody_group=nfsnobody
  77                 else
  78                         # The "nobody" group name is free, use it
  79                         nobody_group=nobody
  80                 fi
  81         fi
  82
  83         meson "$BUILDDIR" -D "sysvinit-path=$sysvinit_path" -D default-hierarchy=unified -D man=false -D "nobody-user=$nobody_user" -D "nobody-group=$nobody_group"
  84 fi
  85
  86 ninja -C "$BUILDDIR" all
  87 [ "$WITH_TESTS" = 0 ] || ninja -C "$BUILDDIR" test
  88 ninja -C "$BUILDDIR" install
  89
  90 mkdir -p "$DESTDIR"/etc
  91
  92 cat > "$DESTDIR"/etc/issue <<EOF
  93 \S (built from systemd tree)
  94 Kernel \r on an \m (\l)
  95
  96 EOF