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#!/bin/bash
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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# called by dracut
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check() {
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# do not add this module by default
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Allow running on a cross-compiled rootfs
For the shell scripts, new environment variables were introduced.
dracutsysrootdir is the root directory, file existence checks use it.
DRACUT_LDCONFIG can override ldconfig with a different one that works
on the sysroot with foreign binaries.
DRACUT_LDD can override ldd with a different one that works
with foreign binaries.
DRACUT_TESTBIN can override /bin/sh. A cross-compiled sysroot
may use symlinks that are valid only when running on the target
so a real file must be provided that exist in the sysroot.
DRACUT_INSTALL now supports debugging dracut-install in itself
when run by dracut but without debugging the dracut scripts.
E.g. DRACUT_INSTALL="valgrind dracut-install or
DRACUT_INSTALL="dracut-install --debug".
DRACUT_COMPRESS_BZIP2, DRACUT_COMPRESS_LBZIP2, DRACUT_COMPRESS_LZMA,
DRACUT_COMPRESS_XZ, DRACUT_COMPRESS_GZIP, DRACUT_COMPRESS_PIGZ,
DRACUT_COMPRESS_LZOP, DRACUT_COMPRESS_ZSTD, DRACUT_COMPRESS_LZ4,
DRACUT_COMPRESS_CAT: All of the compression utilities may be
overridden, to support the native binaries in non-standard places.
DRACUT_ARCH overrides "uname -m".
SYSTEMD_VERSION overrides "systemd --version".
The dracut-install utility was overhauled to support sysroot via
a new option -r and fixes for clang-analyze. It supports
cross-compiler-ldd from
https://gist.github.com/jerome-pouiller/c403786c1394f53f44a3b61214489e6f
DRACUT_INSTALL_PATH was introduced so dracut-install can work with
a different PATH. In a cross-compiled environment (e.g. Yocto), PATH
points to natively built binaries that are not in the host's /bin,
/usr/bin, etc. dracut-install still needs plain /bin and /usr/bin
that are relative to the cross-compiled sysroot.
The hashmap pool allocate_tile/deallocate_tile code was removed
because clang-analyze showed errors in it. hashmap_copy was removed
because it wasn't used and clang-analyze showed errors in it.
DRACUT_INSTALL_LOG_TARGET and DRACUT_INSTALL_LOG_LEVEL were
introduced so dracut-install can use different settings from
DRACUT_LOG_TARGET and DRACUT_LOG_LEVEL.
Signed-off-by: Böszörményi Zoltán <zboszor@pr.hu>
5 years ago
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local arch=${DRACUT_ARCH:-$(uname -m)}
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[ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
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return 0
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}
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cmdline() {
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local cio_accept
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if [ -e /boot/zipl/active_devices.txt ] ; then
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while read dev etc ; do
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[ "$dev" = "#" -o "$dev" = "" ] && continue;
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if [ -z "$cio_accept" ] ; then
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cio_accept="$dev"
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else
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cio_accept="${cio_accept},${dev}"
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fi
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done < /boot/zipl/active_devices.txt
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fi
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if [ -n "$cio_accept" ] ; then
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echo "rd.cio_accept=${cio_accept}"
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fi
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}
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# called by dracut
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install() {
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if [[ $hostonly_cmdline == "yes" ]] ; then
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local _cio_accept=$(cmdline)
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[[ $_cio_accept ]] && printf "%s\n" "$_cio_accept" >> "${initdir}/etc/cmdline.d/01cio_accept.conf"
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fi
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inst_hook cmdline 20 "$moddir/parse-cio_accept.sh"
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inst_multiple cio_ignore
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}
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