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7211773a55
On Fedora /usr/bin/ld is a symlink managed via the "alternatives" system. This unfortunately means the binary is not usable in environments where /var or /etc are unpopulated. Let's address this by redirecting "ld" to "ld.bfd" manually if such an environment is detected, via $PATH. This is useful for building systemd in mkosi with UsrOnly=1 set.
145 lines
5.6 KiB
Bash
Executable File
145 lines
5.6 KiB
Bash
Executable File
#!/bin/sh
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set -e
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# This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
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# Simply invoke "mkosi" in the project directory to build an OS image.
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# Reset the permissions of the tree. Since Meson keeps the permissions
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# all the way to the installed files, reset them to one of 0644 or 0755
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# so the files keep those permissions, otherwise details of what umask
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# was set at the time the git tree was cloned will leak all the way
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# through. Also set umask explicitly during the build.
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if ! mountpoint -q "$SRCDIR"; then
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chmod -R u+w,go-w,a+rX .
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umask 022
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fi
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# On Fedora "ld" is (unfortunately — if you ask me) managed via
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# "alternatives". Since we'd like to support building images in environments
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# with only /usr/ around (e.g. mkosi's UsrOnly=1 option), we have the problem
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# that /usr/bin/ld is a symlink that points to a non-existing file in
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# /etc/alternative/ in this mode. Let's work around this for now by manually
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# redirect "ld" to "ld.bfd", i.e. circumventing the /usr/bin/ld symlink.
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if [ ! -x /usr/bin/ld -a -x /usr/bin/ld.bfd ] ; then
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mkdir -p "$HOME"/bin
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ln -s /usr/bin/ld.bfd "$HOME"/bin/ld
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PATH="$HOME/bin:$PATH"
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fi
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# If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
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# as out-of-tree build dir. Otherwise, let's make up our own builddir.
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[ -z "$BUILDDIR" ] && BUILDDIR=build
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# Meson uses Python 3 and requires a locale with an UTF-8 character map.
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# Not running under UTF-8 makes the `ninja test` step break with a CodecError.
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# So let's ensure we're running under UTF-8.
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#
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# If our current locale already is UTF-8, then we don't need to do anything:
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if [ "$(locale charmap 2> /dev/null)" != "UTF-8" ] ; then
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# Try using C.UTF-8 locale, if available. This locale is not shipped
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# by upstream glibc, so it's not available in all distros.
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# (In particular, it's not available in Arch Linux.)
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if locale -a | grep -q -E "C.UTF-8|C.utf8"; then
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export LC_CTYPE=C.UTF-8
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# Finally, try something like en_US.UTF-8, which should be
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# available in Arch Linux, but is not present in Debian's
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# minimal image in our mkosi config.
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elif locale -a | grep -q en_US.utf8; then
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export LC_CTYPE=en_US.UTF-8
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else
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# If nothing works, fail early.
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echo "*** Could not find a valid locale that supports UTF-8. ***" >&2
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exit 1
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fi
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fi
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if [ ! -f "$BUILDDIR"/build.ninja ] ; then
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sysvinit_path=`realpath /etc/init.d`
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init_path=`realpath /sbin/init 2>/dev/null`
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if [ -z "$init_path" ] ; then
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rootprefix=""
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else
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rootprefix=${init_path%/lib/systemd/systemd}
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rootprefix=/${rootprefix#/}
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fi
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nobody_user=`id -u -n 65534 2> /dev/null`
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if [ "$nobody_user" != "" ] ; then
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# Validate that we can translate forth and back
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if [ "`id -u $nobody_user`" != 65534 ] ; then
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nobody_user=""
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fi
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fi
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if [ "$nobody_user" = "" ] ; then
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if id -u nobody 2> /dev/null ; then
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# The "nobody" user is defined already for something else, pick the Fedora name
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nobody_user=nfsnobody
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else
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# The "nobody" user name is free, use it
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nobody_user=nobody
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fi
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fi
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nobody_group=`id -g -n 65534 2> /dev/null`
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if [ "$nobody_group" != "" ] ; then
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# Validate that we can translate forth and back
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if [ "`id -g $nobody_group`" != 65534 ] ; then
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nobody_group=""
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fi
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fi
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if [ "$nobody_group" = "" ] ; then
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if id -u nobody 2> /dev/null ; then
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# The "nobody" group is defined already for something else, pick the Fedora name
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nobody_group=nfsnobody
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else
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# The "nobody" group name is free, use it
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nobody_group=nobody
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fi
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fi
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meson "$BUILDDIR" \
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-D "sysvinit-path=$sysvinit_path" \
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-D "rootprefix=$rootprefix" \
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-D man=false \
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-D "nobody-user=$nobody_user" \
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-D "nobody-group=$nobody_group" \
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-D translations=false \
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-D version-tag="${VERSION_TAG}"
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fi
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cd "$BUILDDIR"
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ninja "$@"
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if [ "$WITH_TESTS" = 1 ] ; then
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for id in 1 2 3; do
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getent group $id > /dev/null || groupadd -g $id testgroup$id
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done
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ninja test
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fi
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cd "$SRCDIR"
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# Ubuntu Focal is stuck with meson 0.53.0.
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if [ "$(meson -v | cut -d . -f 2)" -gt 53 ] ; then
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meson install -C "$BUILDDIR" --quiet --no-rebuild --only-changed
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else
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meson install -C "$BUILDDIR" --no-rebuild --only-changed
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fi
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mkdir -p "$DESTDIR"/etc
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cat > "$DESTDIR"/etc/issue <<EOF
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\S (built from systemd tree)
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Kernel \r on an \m (\l)
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EOF
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# Manually update the boot loader from the one we just built
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mkdir -p "$DESTDIR"/boot/efi/EFI/systemd "$DESTDIR"/boot/efi/EFI/BOOT
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cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/boot/efi/EFI/systemd/systemd-bootx64.efi
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cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/boot/efi/EFI/BOOT/bootx64.efi
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mkdir -p "$DESTDIR"/efi/EFI/systemd "$DESTDIR"/efi/EFI/BOOT
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cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/efi/EFI/systemd/systemd-bootx64.efi
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cp "$DESTDIR"/usr/lib/systemd/boot/efi/systemd-bootx64.efi "$DESTDIR"/efi/EFI/BOOT/bootx64.efi
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