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@FaustXVI FaustXVI/tcrdd.sh
Created Dec 14, 2018

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TCR merged with TDD
#!/usr/bin/env bash
BRANCH=origin/master
TEST_KEYWORD="Expect"
function runTest() {
./node_modules/.bin/elm-test
}
# look for a new test in a + line in the diff
function testJustAdded(){
[[ ! -z `git diff HEAD | grep "^\+.*${TEST_KEYWORD}"` ]]
}
RED_REF=refs/isRed
# amend in case of test refactoring (last commit is red, same test)
function commitOnRed() {
git add . && \
if lastCommitRed; then
git commit --amend
else
git commit
fi && \
git update-ref ${RED_REF} HEAD
}
# amend if last commit was a test, with no change to the commit message
# in case if last commit was green commit with empty message (/?\ should refactoring have commit messages?)
# remove any RED tag reference
function commitOnGreen() {
git add . && \
if lastCommitRed; then
git commit --amend --no-edit
else
git commit --allow-empty-message -m ""
fi && \
git update-ref -d ${RED_REF}
}
# finds a previous commit tagged Red, returns true if same as current work
function lastCommitRed(){
[[ `git describe --all ${RED_REF} 2>/dev/null` && -z `git diff ${RED_REF} HEAD 2>/dev/null` ]]
}
# revert to the last version that was committed
function revert() {
git reset --hard
git clean -f
}
# pull branch if there's a remote change
# rebase so that our commit will come *after* remote changes
function pull(){
if needsPull; then
git pull --rebase
fi
}
# detect remote changes (not actually fetching them)
function needsPull(){
[[ ! -z `git fetch --dry-run 2>&1` ]]
}
# if push required, launch tests then push
function push() {
if needsPush; then
runTest && git push
fi
}
# detect local changes wrt remote
function needsPush(){
[[ ! -z `git diff ${BRANCH} HEAD` ]]
}
# main
ASSUMING_GREEN=false
ASSUMING_RED=false
while [[ $# -gt 0 ]]
do
key="$1"
case ${key} in
-g|--green)
ASSUMING_GREEN=true
shift
;;
-r|--red)
ASSUMING_RED=true
shift
;;
*)
shift
;;
esac
done
if ${ASSUMING_RED} || (! ${ASSUMING_GREEN} && testJustAdded)
then
echo red
runTest && revert || commitOnRed
pull
else
echo green
runTest && commitOnGreen || revert
pull && push
fi
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