mkosi.build

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