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@dvmonroe dvmonroe/bash
Last active Feb 11, 2017

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Automated git based release notes
#!/bin/bash
# RELEASE NOTE FILE
LOG_FILE=CHANGELOG.md
TMP_LOG_FILE=CHANGELOG.tmp.md
# SEEKING LABELS ON COMMIT SUBJECTS
BUGS=";B"
FEATURES=";F"
MISC=";M"
ALL="(;F|;B|;M)"
# MD TITLES
FEATURE_TAG="**Implemented enhancements:**"
BUG_TAG="**Fixed bugs:**"
MISC_TAG="**Miscellaneous:**"
TODAYS_DATE=`TZ=":US/Eastern" date -dtoday '+%F %R %z'`
TODAYS_DATE_HUMANIZED=`TZ=":US/Eastern" date -dtoday '+%B %e, %Y %R %Z'`
# LINKS
ATLASSIAN='https:\/\/myapp.atlassian.net\/browse'
ZENDESK='https:\/\/myapp.zendesk.com\/agent\/tickets'
HONEYBADGER='https:\/\/app.honeybadger.io\/projects'
FAULTS='4325\/faults'
LAST_TAG=`git describe --abbrev=0 --tags`
# LAST_TAG_DATE=`git log -1 --format=%ai "${LAST_TAG}"`
# LAST_DATE=`TZ=":US/Eastern" date -d "${LAST_TAG_DATE}" +"%F %R %z"`
print_features(){
echo $FEATURE_TAG
echo
GIT_PAGER=cat git_log "$FEATURES"
echo
}
print_bugs(){
echo $BUG_TAG
echo
GIT_PAGER=cat git_log "$BUGS"
echo
}
print_misc(){
echo $MISC_TAG
echo
GIT_PAGER=cat git_log "$MISC"
echo
}
print_date(){
echo "## "$TODAYS_DATE_HUMANIZED
echo
}
git_log() {
git log "$LAST_TAG"..HEAD \
--grep="$1" -E -i \
--no-merges --format="- %s"
}
linkify(){
if [[ $1 == 'MYAPP #' ]]
then
J=PMGR
LINK="[$J $2]($ATLASSIAN\/MYAPP-${2//#})"
elif [[ $1 == 'E #' ]]
then
J=HONEYBADGER
LINK="[$J $2]($HONEYBADGER\/$FAULTS\/${2//#})"
elif [[ $1 == 'HD #' ]]
then
J=ZENDESK
LINK="[$J $2]($ZENDESK\/${2//#})"
else
0
fi
if [[ $J ]]
then
REP="${1//#}${2}"
sed -i "s/$REP/$LINK/" $LOG_FILE
fi
}
grep_links(){
for arg in "$@"
do
for line in $(sed -n "/$arg/p" $LOG_FILE)
do
for word in $line; do
if [[ $word =~ ^#.* ]]
then
linkify "$arg" "$word"
fi
done
done
done
}
pretty_print() {
for arg in "$@"
do
# Case insesitive
sed -i "s/$arg/ /I" $LOG_FILE
done
}
commit(){
git add "${LOG_FILE}"
git commit -m "Release to production ${TODAYS_DATE_HUMANIZED}"
git push upstream master
}
git_log_read(){
LOG_ALL=`git_log $ALL`
LOG_FEATURE=`git_log $FEATURES`
LOG_BUG=`git_log $BUGS`
LOG_MISC=`git_log $MISC`
if [[ $LOG_ALL ]]
then
print_date
if [[ $LOG_FEATURE ]]
then
print_features
fi
if [[ $LOG_BUG ]]
then
print_bugs
fi
if [[ $LOG_MISC ]]
then
print_misc
fi
echo
fi
}
if [[ -e $LOG_FILE ]]
then
# IF THERE'S NOTHING NEW DON'T DO IT
if [ -n "$(git_log_read)" ]; then
echo -e "$(git_log_read)\n\n" > $TMP_LOG_FILE
# PREPEND CONTENTS OF NEW FILE TO CHANGELOG.md
sed -i "3r $TMP_LOG_FILE" $LOG_FILE
grep_links 'MYAPP #' 'E #' 'HD #'
pretty_print ';f' ';b' ';m'
rm $TMP_LOG_FILE
commit
fi
else
echo "# Release Notes" > $LOG_FILE
echo ---------------------- >> $LOG_FILE
echo >> $LOG_FILE
git_log_read >> $LOG_FILE
grep_links 'MYAPP #' 'E #' 'HD #'
pretty_print ';f' ';b' ';m'
commit
fi
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