196 lines
5.3 KiB
Bash
Executable File
196 lines
5.3 KiB
Bash
Executable File
#!/bin/bash
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remote_repo=''
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remote_branch='main'
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sru_cycle=
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while :
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do
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if [ "$1" = "--remote-repo" ]; then
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remote_repo="$2"
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shift 2
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elif [ "$1" = "--remote-branch" ]; then
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remote_branch="$2"
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shift 2
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elif [ "$1" = "--sru-cycle" ]; then
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sru_cycle="$2"
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shift 2
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else
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break
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fi
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done
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if [ "$#" -ne 0 ]; then
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{
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echo "Usage: $0 [<options>]"
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echo " --remote-repo <url>"
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echo " --sru-cycle <cycle>"
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} 1>&2
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exit 1
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fi
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default_sru_cycle()
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{
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local tracking_bug
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local version
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# Pick out the cycle from the tracking bug file.
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if [ -f "$DEBIAN/tracking-bug" ]; then
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read tracking_bug sru_cycle X <"$DEBIAN/tracking-bug"
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fi
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if [ -z "$sru_cycle" ]; then
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echo "$0: sru-cycle not found via debian/tracking-bug; specify --sru-cycle" 1>&2
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exit 1
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fi
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sru_cycle=$(echo "$sru_cycle" | sed -e 's/-[0-9][0-9]*$//' -e 's/^kernel-sru-cycle-//')
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#echo "default_sru_cycle: version<$version> sru_cycle<$sru_cycle>"
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}
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# Determine where our changelog is.
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DEBIAN=debian
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[ -f 'debian/debian.env' ] && . 'debian/debian.env'
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[ -z "$sru_cycle" ] && default_sru_cycle
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if [ -z "$remote_repo" ]; then
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case "$sru_cycle" in
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c[0-9][0-9][0-9][0-9].[0-9][0-9].[0-9][0-9])
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remote_repo='security' ;;
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*)
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remote_repo='main' ;;
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esac
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fi
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case "$remote_repo" in
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security)
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remote_repo='ssh+git://git.launchpad.net/~canonical-kernel-security-team/canonical-kernel-private/+git/kernel-versions'
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remote_name='security'
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;;
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main)
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remote_repo='git://git.launchpad.net/~canonical-kernel/+git/kernel-versions'
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remote_name='main'
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;;
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*)
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remote_name='adhoc'
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;;
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esac
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#
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# kernel-versoins repository dkms-version mapping see below for details:
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# https://git.launchpad.net/~canonical-kernel/+git/kernel-versions/plain/README
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#
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kv_repo="$HOME/.cache/kernel-versions-bare"
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# Now we know where our repo is and what it called update it.
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# We maintain "persistent" remotes for main and security, but assume
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# any manually supplied entries are transient.
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(
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[ ! -d "$kv_repo" ] && mkdir -p "$kv_repo"
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cd "$kv_repo" || exit 1
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[ ! -f config ] && git init -q --bare
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current_url=$(git config "remote.$remote_name.url")
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if [ -z "$current_url" ]; then
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git remote add "$remote_name" "$remote_repo"
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elif [ "$current_url" != "$remote_repo" ]; then
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git config "remote.$remote_name.url" "$remote_repo"
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fi
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git fetch -q -p "$remote_name"
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) || exit 1
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cat_file()
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{
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(cd "$kv_repo" && git cat-file "$@") || exit 1
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}
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present=$(cat_file -t "$remote_name/$remote_branch:devel/" 2>/dev/null)
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if [ "$present" ]; then
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git_base_devel="$remote_name/$remote_branch:devel/"
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else
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git_base_devel="$remote_name/$remote_branch:tip/"
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fi
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git_base="$remote_name/$remote_branch:$sru_cycle/"
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git_human="$remote_name/$sru_cycle"
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# Determine if we have this cycle.
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present=$(cat_file -t "$git_base" 2>/dev/null)
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if [ "$present" = "" ]; then
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# If we don't have the cycle in the development cycle then
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# fall back to master.
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case "$sru_cycle" in
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d*) git_base="$git_base_devel" ;;
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*) echo "$sru_cycle: cycle not found in $remote_repo" 2>&1
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exit 1
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;;
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esac
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fi
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# Determine our series and mainline version from our own changelog.
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our_series=$(LC_ALL=C dpkg-parsechangelog -l"$DEBIAN/changelog" -SDistribution)
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if [ "$our_series" = "UNRELEASED" ]; then
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our_series=$(LC_ALL=C dpkg-parsechangelog -l"$DEBIAN/changelog" -o1 -c1 -SDistribution)
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fi
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our_mainline=$(LC_ALL=C dpkg-parsechangelog -l"$DEBIAN/changelog" -SVersion | sed -e 's/-.*//')
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our_package=$(LC_ALL=C dpkg-parsechangelog -l"$DEBIAN/changelog" -SSource)
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our_source=$(echo "$our_package" | sed -e 's/-restricted-modules//')
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case "$our_package" in
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linux-restricted-modules*) our_type="lrm" ;;
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*) our_type="main" ;;
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esac
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# Update rules are complex. We update development series kernels to the
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# versions in development. For stable series we update versions against
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# the series in which our prime kernel was built. This is expressed
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# via the map/dkms-versions namespace. Attempt to map via our series
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# and then our mainline-version.
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# Try and find a package specific dkms-versions fragment. Try:
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# handle+type
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# series+type
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# mainline+type
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# series - backwards compatibility
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# mainline - backwards compatibility
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for versions_path_tail in \
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"$our_series:$our_source:$our_type" \
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"$our_series:$our_mainline:$our_type" \
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"$our_series:$our_type" \
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"$our_mainline:$our_type" \
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"$our_series" \
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"$our_mainline"
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do
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echo "II: trying $versions_path_tail ..."
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versions_paths=$(echo $(cat_file -p "${git_base}map/dkms-versions/$versions_path_tail" 2>/dev/null))
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[ -n "$versions_paths" ] && break
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done
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if [ -z "$versions_paths" ]; then
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echo "$0: unable to identify dkms-versions mapping" 1>&2
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exit 1
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fi
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echo "git_base<$git_base> versions_paths<$versions_paths>"
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echo "II: grabbing dkms-versions from $sru_cycle $versions_paths"
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: ">debian/dkms-versions.new"
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for versions_path in $versions_paths
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do
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cat_file -p "$git_base$versions_path" >>"debian/dkms-versions.new"
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if [ "$?" -ne 0 ]; then
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echo "$0: unable to download an updated dkms-versions file" 1>&2
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exit 1
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fi
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done
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mv "debian/dkms-versions.new" "debian/dkms-versions"
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thing="debian/dkms-versions"
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if ! git diff --exit-code -- "$thing" >/dev/null; then
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git commit -m "UBUNTU: $thing -- update from kernel-versions ($git_human)" \
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-m "BugLink: https://bugs.launchpad.net/bugs/1786013" \
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-s -- "$thing"
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else
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echo "$thing: no changes from kernel-versions"
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fi
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exit 0
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