forked from Mirror/frr
147 lines
4.2 KiB
Bash
Executable file
147 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Written by Daniil Baturin, 2018
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# Rewritten by Ondřej Surý, 2020
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# This file is public domain
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set -e
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BASEDIR="$(realpath -e "$(dirname "$(dirname "$0")")")"
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cd "$BASEDIR"
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#
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# Directory where the git-buildpackage does the work
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#
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WORKDIR=$(mktemp -d /tmp/debwork-XXXXXXXX) || exit 1
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trap '( rm -rf "$WORKDIR" )' EXIT
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#
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# Checking requirements
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#
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if [ "$(id -u)" = 0 ]; then
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echo "Running as root - installing dependencies"
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apt-get install fakeroot debhelper devscripts git-buildpackage lsb-release
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mk-build-deps --install debian/control
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exit 0
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fi
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git diff-index --quiet HEAD || { echo "ERROR: git working directory is not clean!" ; exit 1; }
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#
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# We switch to a separate branch to not mangle the actual branch, this is
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# not needed in the CI
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#
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CLONEDIR="$WORKDIR/$(basename "$BASEDIR")"
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echo "Creating shallow clone from $BASEDIR to $CLONEDIR..."
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git clone --depth=2 "file://$BASEDIR" "$CLONEDIR"
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cd "$CLONEDIR"
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####################################
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# Build the Debian package sources #
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####################################
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#
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# Now we will construct an "upstream" version out of:
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# 1. version in AC_INIT
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# 2. the unix time from the last commit (HEAD)
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# (alternatively %Y%m%d%H%M%S could be used here)
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# 4. Debian version (always -1)
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#
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UPSTREAM_VERSION=$(sed -ne 's/AC_INIT(\[frr\],\s\[\([^]]*\)\],.*/\1/p' configure.ac | sed -e 's/-\(\(dev\|alpha\|beta\)\d*\)/~\1/')
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LAST_TIMESTAMP=$(git log --format=format:%ad --date=format:%s -1 "HEAD")
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DEBIAN_VERSION="$UPSTREAM_VERSION-$LAST_TIMESTAMP-1"
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#
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# We add a Debian changelog entry, and use artifical "since commit"
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# so there's not a whole git history in the debian/changelog.
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#
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# The --snapshot option appends ~1.<shorthash> to the debian version, so for the
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# release build, this needs to be replaces with --release
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#
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echo "Adding new snapshot debian/changelog entry for $DEBIAN_VERSION..."
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gbp dch \
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--ignore-branch \
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--new-version "$DEBIAN_VERSION" \
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--dch-opt="--force-bad-version" \
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--since="HEAD~" \
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--snapshot \
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--commit
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echo "Building package..."
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#
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# git-buildpackage will use $BUILDER command to just build new source package
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#
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BUILDER="dpkg-buildpackage -uc -us --build=source --no-check-builddeps --no-pre-clean -sa"
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UPSTREAM_COMPRESSION=xz
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gbp buildpackage \
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--git-export-dir="$WORKDIR" \
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--git-builder="$BUILDER" \
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--git-ignore-branch \
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--git-force-create \
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--git-compression=$UPSTREAM_COMPRESSION \
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--git-no-pristine-tar
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DEB_SOURCE="$(dpkg-parsechangelog -SSource)"
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DEB_VERSION="$(dpkg-parsechangelog -SVersion)"
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DEB_VERSION_UPSTREAM_REVISION="$(echo "${DEB_VERSION}" | sed -e 's/^[0-9]*://')"
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DEB_VERSION_UPSTREAM="$(echo "${DEB_VERSION_UPSTREAM_REVISION}" | sed -e 's/-[^-]*$//')"
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#
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# Now the source package has been built and it is stored in following files:
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#
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echo "Running lintian on the source package"
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lintian "${WORKDIR}/${DEB_SOURCE}_${DEB_VERSION_UPSTREAM_REVISION}_source.changes"
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####################
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# Backporting part #
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####################
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#
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# Now we determine what should be the suffix for the system we are backporting
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# for.
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#
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DIST=$(lsb_release --codename --short)
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PATCH=${PATCH:-1}
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case "$DIST" in
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jessie) EXTRA_VERSION="deb8u${PATCH}" ;;
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stretch) EXTRA_VERSION="deb9u${PATCH}" ;;
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buster) EXTRA_VERSION="deb10u${PATCH}" ;;
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sid) EXTRA_VERSION="sid+${PATCH}" ;;
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xenial) EXTRA_VERSION="ubuntu16.04+${PATCH}" ;;
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bionic) EXTRA_VERSION="ubuntu16.04+${PATCH}" ;;
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focal) EXTRA_VERSION="ubuntu20.04+${PATCH}" ;;
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groovy) EXTRA_VERSION="ubuntu20.10+${PATCH}" ;;
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*) echo "Unknown distribution '$DIST'" ; exit 1 ;;
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esac
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#
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# Now the actual backport, we:
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#
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# 1. Unpack the sources
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# 2. Append the EXTRA_VERSION
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# 3. Use debuild to build the package (don't sign
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#
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(cd "$WORKDIR" && dpkg-source -x "${DEB_SOURCE}_${DEB_VERSION_UPSTREAM_REVISION}.dsc")
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(cd "$WORKDIR/${DEB_SOURCE}-${DEB_VERSION_UPSTREAM}/" && dch -b -m -t -l "~$EXTRA_VERSION" "No change backport build for $DIST")
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(cd "$WORKDIR/${DEB_SOURCE}-${DEB_VERSION_UPSTREAM}/" && debuild -uc -us)
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#
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# Copy back the result
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#
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cp -a "$WORKDIR"/*.build "$WORKDIR"/*.buildinfo "$WORKDIR"/*.changes "$WORKDIR"/*.dsc "$WORKDIR"/*.deb "$WORKDIR"/*.debian.* "$WORKDIR"/*.orig.tar.* "${BASEDIR}/"
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