Firmware2/buildroot/share/git/mfprep
2022-05-22 19:52:38 -05:00

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#!/usr/bin/env bash
#
# mfprep tag1 [tag2]
#
# Find commits in bugfix-2.0.x that are not yet in 2.0.x.
#
# Specify a version tag to start from, and optional version tag to end at.
# For bugfix-2.0.x the tag will be prefixed by bf- to distinguish it from the version tag,
# so at every release be sure to create a bf- tag and publish it to origin.
#
SED=$(which gsed sed | head -n1)
SELF=`basename "$0"`
DRYRUN=0
[[ $# < 1 || $# > 2 ]] && { echo "Usage $SELF tag1 [tag2]" ; exit 1 ; }
TAG1=$1
TAG2=${2:-"HEAD"}
DEST=2.1.x
# Validate that the required tags exist
MTAG=`git tag | grep -e "^bf-$TAG1\$"`
[[ -n "$MTAG" ]] || { echo "Can't find tag bf-$TAG1" ; exit 1 ; }
MTAG=`git tag | grep -e "^$TAG1\$"`
[[ -n "$MTAG" ]] || { echo "Can't find tag $TAG1" ; exit 1 ; }
# Generate log of recent commits for bugfix-2.0.x and DEST
TMPDIR=`mktemp -d`
LOGB="$TMPDIR/log-bf.txt"
LOG2="$TMPDIR/log-2x.txt"
TMPF="$TMPDIR/tmp.txt"
SCRF="$TMPDIR/update-$DEST.sh"
git checkout bugfix-2.0.x
git log --pretty="[%h] %s" bf-$TAG1..$TAG2 | grep -v '\[cron\]' | $SED '1!G;h;$!d' >"$LOGB"
git checkout $DEST
git log --pretty="[%h] %s" $TAG1..$TAG2 | $SED '1!G;h;$!d' >"$LOG2" || { echo "Can't find tag bf-$TAG1" ; exit 1 ; }
# Go through commit text from DEST removing all matches from the bugfix log
cat "$LOG2" | while read line; do
if [[ $line =~ \(((#[0-9]{5}),* *)((#[0-9]{5}),* *)?((#[0-9]{5}),* *)?((#[0-9]{5}),* *)?((#[0-9]{5}),* *)?((#[0-9]{5}),* *)?\)$ ]]; then
PATT=""
for i in ${!BASH_REMATCH[@]}; do
if ((i > 0 && (i % 2 == 0))); then
if [[ -n "${BASH_REMATCH[i]}" ]]; then
[[ -n "$PATT" ]] && PATT="$PATT|"
PATT="$PATT${BASH_REMATCH[i]}"
fi
fi
done
#echo "... $PATT"
[[ -n "$PATT" ]] && { grep -vE "$PATT" "$LOGB" >"$TMPF" ; cp "$TMPF" "$LOGB" ; }
else
PATT=$( $SED -E 's/^\[[0-9a-f]{10}\]( . )?(.+)$/\2/' <<<"$line" )
[[ -n "$PATT" ]] && { grep -v "$PATT" "$LOGB" >"$TMPF" ; cp "$TMPF" "$LOGB" ; }
fi
done
# Convert remaining commits into git commands
echo -e "#!/usr/bin/env bash\nset -e\ngit checkout ${DEST}\n" >"$TMPF"
cat "$LOGB" | while read line; do
if [[ $line =~ ^\[([0-9a-f]{10})\]\ *(.*)$ ]]; then
CID=${BASH_REMATCH[1]}
REST=${BASH_REMATCH[2]}
echo "git cherry-pick $CID ;# $REST" >>"$TMPF"
else
echo ";# $line" >>"$TMPF"
fi
done
mv "$TMPF" "$SCRF"
chmod +x "$SCRF"
((DRYRUN)) && rm -r "$TMPDIR" || open "$TMPDIR"