lbcd/release/prep_release.sh

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2013-10-16 01:05:24 +02:00
#!/bin/sh
#
# Copyright (c) 2013 Conformal Systems LLC <info@conformal.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
#
# Prepares for a release:
# - Bumps version according to specified level (major, minor, or patch)
# - Updates all version files and package control files with new version
# - Performs some basic validation on specified release notes
# - Updates project changes file with release notes
#
PROJECT=btcd
PROJECT_UC=$(echo $PROJECT | tr '[:lower:]' '[:upper:]')
SCRIPT=$(basename $0)
VERFILE=../version.go
VERFILES="$VERFILE ../util/btcctl/version.go"
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PROJ_CHANGES=../CHANGES
# verify params
if [ $# -lt 2 ]; then
echo "usage: $SCRIPT {major | minor | patch} release-notes-file"
exit 1
fi
CUR_DIR=$(pwd)
cd "$(dirname $0)"
# verify version files exist
for verfile in $VERFILES; do
if [ ! -f "$verfile" ]; then
echo "$SCRIPT: error: $verfile does not exist" 1>&2
exit 1
fi
done
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# verify changes file exists
if [ ! -f "$PROJ_CHANGES" ]; then
echo "$SCRIPT: error: $PROJ_CHANGES does not exist" 1>&2
exit 1
fi
RTYPE="$1"
RELEASE_NOTES="$2"
if [ $(echo $RELEASE_NOTES | cut -c1) != "/" ]; then
RELEASE_NOTES="$CUR_DIR/$RELEASE_NOTES"
fi
# verify valid release type
if [ "$RTYPE" != "major" -a "$RTYPE" != "minor" -a "$RTYPE" != "patch" ]; then
echo "$SCRIPT: error: release type must be major, minor, or patch"
exit 1
fi
# verify release notes
if [ ! -e "$RELEASE_NOTES" ]; then
echo "$SCRIPT: error: specified release notes file does not exist"
exit 1
fi
if [ ! -s "$RELEASE_NOTES" ]; then
echo "$SCRIPT: error: specified release notes file is empty"
exit 1
fi
# verify release notes format
while IFS='' read line; do
if [ -z "$line" ]; then
echo "$SCRIPT: error: release notes must not have blank lines"
exit 1
fi
if [ ${#line} -gt 74 ]; then
echo -n "$SCRIPT: error: release notes must not contain lines "
echo "with more than 74 characters"
exit 1
fi
if expr "$line" : ".*\.$" >/dev/null 2>&1 ; then
echo -n "$SCRIPT: error: release notes must not contain lines "
echo "that end in a period"
exit 1
fi
if ! expr "$line" : "\-" >/dev/null 2>&1; then
if ! expr "$line" : " " >/dev/null 2>&1; then
echo -n "$SCRIPT: error: release notes must not contain lines "
echo "that do not begin with a dash and are not indented"
exit 1
fi
fi
done <"$RELEASE_NOTES"
# verify git is available
if ! type git >/dev/null 2>&1; then
echo -n "$SCRIPT: error: Unable to find 'git' in the system path."
exit 1
fi
# verify the git repository is on the master branch
BRANCH=$(git branch | grep '\*' | cut -c3-)
if [ "$BRANCH" != "master" ]; then
echo "$SCRIPT: error: git repository must be on the master branch."
exit 1
fi
# verify there are no uncommitted modifications prior to release modifications
NUM_MODIFIED=$(git diff 2>/dev/null | wc -l | sed 's/^[ \t]*//')
NUM_STAGED=$(git diff --cached 2>/dev/null | wc -l | sed 's/^[ \t]*//')
if [ "$NUM_MODIFIED" != "0" -o "$NUM_STAGED" != "0" ]; then
echo -n "$SCRIPT: error: the working directory contains uncommitted "
echo "modifications"
exit 1
fi
# get version
PAT_PREFIX="(^[[:space:]]+app"
PAT_SUFFIX='[[:space:]]+uint[[:space:]]+=[[:space:]]+)[0-9]+$'
MAJOR=$(egrep "${PAT_PREFIX}Major${PAT_SUFFIX}" $VERFILE | awk '{print $4}')
MINOR=$(egrep "${PAT_PREFIX}Minor${PAT_SUFFIX}" $VERFILE | awk '{print $4}')
PATCH=$(egrep "${PAT_PREFIX}Patch${PAT_SUFFIX}" $VERFILE | awk '{print $4}')
if [ -z "$MAJOR" -o -z "$MINOR" -o -z "$PATCH" ]; then
echo "$SCRIPT: error: unable to get version from $VERFILE" 1>&2
exit 1
fi
# bump version according to level
if [ "$RTYPE" = "major" ]; then
MAJOR=$(expr $MAJOR + 1)
MINOR=0
PATCH=0
elif [ "$RTYPE" = "minor" ]; then
MINOR=$(expr $MINOR + 1)
PATCH=0
elif [ "$RTYPE" = "patch" ]; then
PATCH=$(expr $PATCH + 1)
fi
PROJ_VER="$MAJOR.$MINOR.$PATCH"
# update project changes with release notes
DATE=$(date "+%a %b %d %Y")
awk -v D="$DATE" -v VER="$PROJ_VER" '
/=======/ && first_line==0 {
first_line=1
print $0
next
}
/=======/ && first_line==1 {
print $0
print ""
print "Changes in "VER" ("D")"
exit
}
{ print $0 }
' <"$PROJ_CHANGES" >"${PROJ_CHANGES}.tmp"
cat "$RELEASE_NOTES" | sed 's/^/ /' >>"${PROJ_CHANGES}.tmp"
awk '
/=======/ && first_line==0 {
first_line=1
next
}
/=======/ && first_line==1 {
second_line=1
next
}
second_line==1 { print $0 }
' <"$PROJ_CHANGES" >>"${PROJ_CHANGES}.tmp"
# update version filef with new version
for verfile in $VERFILES; do
sed -E "
s/${PAT_PREFIX}Major${PAT_SUFFIX}/\1${MAJOR}/;
s/${PAT_PREFIX}Minor${PAT_SUFFIX}/\1${MINOR}/;
s/${PAT_PREFIX}Patch${PAT_SUFFIX}/\1${PATCH}/;
" <"$verfile" >"${verfile}.tmp"
done
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# Apply changes
mv "${PROJ_CHANGES}.tmp" "$PROJ_CHANGES"
for verfile in $VERFILES; do
mv "${verfile}.tmp" "$verfile"
done
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echo "All files have been prepared for release."
echo "Use the following commands to review the changes for accuracy:"
echo " git status"
echo " git diff"
echo ""
echo "If everything is accurate, use the following commands to commit, tag,"
echo "and push the changes"
echo " git commit -am \"Prepare for release ${PROJ_VER}.\""
echo -n " git tag -a \"${PROJECT_UC}_${MAJOR}_${MINOR}_${PATCH}\" -m "
echo "\"Release ${PROJ_VER}\""
echo " git push"
echo " git push --tags"