scripts: show fixes with release version of bug
This script can help to find commits to backport in stable branches. Fixes are found if there is the word "fix" in the headline or if there is a tag Fixes: or Reverts: in the message. Chained fixes of fixes are explored to find the oldest origin. Fixes of not released bugs are ignored. Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com> Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
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Thomas Monjalon
parent
ca41215c05
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752d8e097e
@ -28,6 +28,7 @@ F: scripts/check-maintainers.sh
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F: scripts/check-git-log.sh
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F: scripts/check-includes.sh
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F: scripts/checkpatches.sh
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F: scripts/git-log-fixes.sh
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F: scripts/load-devel-config
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F: scripts/test-build.sh
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120
scripts/git-log-fixes.sh
Executable file
120
scripts/git-log-fixes.sh
Executable file
@ -0,0 +1,120 @@
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#! /bin/sh -e
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# BSD LICENSE
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#
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# Copyright 2016 6WIND S.A.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of 6WIND S.A. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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print_usage ()
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{
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echo "usage: $(basename $0) [-h] <git_range>"
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}
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print_help ()
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{
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print_usage
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cat <<- END_OF_HELP
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Find fixes to backport on previous versions.
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It looks for the word "fix" in the headline or a tag "Fixes" or "Reverts".
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The oldest bug origin is printed as well as partially fixed versions.
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END_OF_HELP
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}
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usage_error () # <message>
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{
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echo "$*" >&2
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print_usage >&2
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exit 1
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}
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while getopts h ARG ; do
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case $ARG in
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h ) print_help ; exit 0 ;;
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? ) print_usage >&2 ; exit 1 ;;
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esac
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done
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shift $(($OPTIND - 1))
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[ $# -ge 1 ] || usage_error 'range argument required'
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range="$*"
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# get major release version of a commit
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commit_version () # <hash>
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{
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tag=$(git tag -l --contains $1 | head -n1)
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if [ -z "$tag" ] ; then
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# before -rc1 tag of release in progress
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make showversion | cut -d'.' -f-2
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else
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echo $tag | sed 's,^v,,' | sed 's,-rc.*,,'
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fi
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}
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# get bug origin hashes of a fix
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origin_filter () # <hash>
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{
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git log --format='%b' -1 $1 |
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sed -n 's,^ *\([Ff]ixes\|[Rr]everts\): *\([0-9a-f]*\).*,\2,p'
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}
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# get oldest major release version of bug origins
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origin_version () # <origin_hash> ...
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{
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for origin in $* ; do
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# check hash is valid
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git rev-parse -q --verify $1 >&- || continue
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# get version of this bug origin
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local origver=$(commit_version $origin)
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local roothashes=$(origin_filter $origin)
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if [ -n "$roothashes" ] ; then
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# look chained fix of fix recursively
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local rootver="$(origin_version $roothashes)"
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[ -n "$rootver" ] || continue
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echo "$rootver (partially fixed in $origver)"
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else
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echo "$origver"
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fi
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# filter the oldest origin
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done | sort -uV | head -n1
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}
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git log --oneline --reverse $range |
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while read id headline ; do
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origins=$(origin_filter $id)
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[ -n "$origins" ] || echo "$headline" | grep -q fix || continue
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version=$(commit_version $id)
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if [ -n "$origins" ] ; then
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origver="$(origin_version $origins)"
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[ -n "$origver" ] || continue
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# ignore fix of bug introduced in the same release
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! echo "$origver" | grep -q "^$version" || continue
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else
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origver='N/A'
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fi
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printf '%s %7s %s (%s)\n' $version $id "$headline" "$origver"
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done
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