027474f6bc
1 OBS-URL: https://build.opensuse.org/request/show/526196 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=261
93 lines
2.8 KiB
Bash
93 lines
2.8 KiB
Bash
#! /bin/bash
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#
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# When upgrading from systems predating systemd (SLE11, openSUSE
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# 12.x), udev libexec directory was changed from /lib/udev to
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# /usr/lib/udev. Some customer scripts might still rely on the old
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# path, therefore try to create a symlink that preserves the old path
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# (see bsc#1050152).
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#
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# This script is supposed to be called from the %posttrans scection of
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# the udev package.
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#
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convert_lib_udev_path () {
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local failed=/bin/false
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# Sanity check: /usr/lib/udev must exist at that point since
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# the new udev package should have been installed.
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if ! test -d /usr/lib/udev; then
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echo >&2 "/usr/lib/udev does not exist, refusing to create"
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echo >&2 "/lib/udev compat symlink."
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return 1
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fi
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# If the symlink is missing it probably means that we're
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# upgrading and the old /lib/udev path was removed as it was
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# empty at the time the old version of udev was uninstalled.
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if ! test -e /lib/udev; then
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echo "Creating /lib/udev -> /usr/lib/udev symlink."
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ln -s /usr/lib/udev /lib/udev
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return
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fi
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# If a symlink already exists, simply assume that we already
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# did the job. IOW we're just doing a simple update of
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# systemd/udev (not upgrading).
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if test -L /lib/udev; then
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return
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fi
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# Sanity check: refuse to deal with anything but a directory.
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if ! test -d /lib/udev; then
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echo >&2 "/lib/udev is not either a directory nor a symlink !"
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echo >&2 "It won't be converted into a symlink to /usr/lib/udev."
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echo >&2 "Please create it manually."
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return 1
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fi
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# /lib/udev exists and is still a directory (probably not
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# empty otherwise it would have been removed when the old
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# version of udev was uninstalled), we try to merge its
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# content with the new location and if it fails we warn the
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# user and let him sort this out.
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shopt -s globstar
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for f in /lib/udev/**; do
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if test -d "$f"; then
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continue
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fi
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if test -e /usr/"$f"; then
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echo >&2 "Failed to migrate '$f' to /usr/lib/udev because it already exists."
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failed=/bin/true
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continue
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fi
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echo "Migrating '$f' in /usr/lib/udev"
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if ! cp -a --parents "$f" /usr; then
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echo >&2 "Failed to move '$f' in /usr/lib/udev."
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failed=/bin/true
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continue
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fi
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rm "$f"
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done
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shopt -u globstar
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if ! $failed; then
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rm -fr /lib/udev &&
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ln -s ../usr/lib/udev /lib/udev &&
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echo "The content of /lib/udev has been moved in /usr/lib/udev successfully" &&
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echo "and /lib/udev is now a symlink pointing to /usr/lib/udev." &&
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echo "Please note /lib/udev is deprecated and shouldn't be used by" &&
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echo "new scripts/applications anymore." ||
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failed=/bin/true
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fi
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if $failed; then
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echo >&2 "Converting /lib/udev into a symlink pointing to /usr/lib/udev was not"
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echo >&2 "possible due to previous error(s)."
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echo >&2 "Please fix them and then create the symlink with:"
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echo >&2 " 'ln -s ../usr/lib/udev /lib/udev'."
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return 1
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fi
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}
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convert_lib_udev_path
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