fossil sync -R "${repository}" >/dev/null 2>/dev/null || :

# 4. Get a list of branches
branches=( $(fossil branch -R "${repository}" list) )

# 5. Get Fossil CI configuration from the trunk branch
## 5.a. Set default config
excludedBranches=()
includedBranches=('')
buildCommands=('./autogen.sh || :' ./configure make)
testCommands=()
releaseCommands=()
builderID=''
projectName="$(fossil info -R "${repository}" | awk '/^project-name:/{ sub(/^project-name: */, ""); gsub(/ /, ""); print; }')"
tagSuffix=''
tagPrefix=''

## 5.d. Post-process config
if [ -z "${tagSuffix}" ]; then
	if [ -n "${builderID}" ]; then
		tagSuffix="-${builderID}"
	fi
fi

# 6. Perform any configured initialization
for cmd in "${initCommands[@]}"; do
	eval "${cmd}" >/dev/null 2>/dev/null || :
done

# 7. For each branch, attempt to build
for branch in "${branches[@]}"; do
	## 7.a. Only process specific branches
	ignoreBranch='1'
	for testBranch in "${includedBranches[@]}"; do
		if echo "${branch}" | grep "${testBranch}" >/dev/null; then
			ignoreBranch='0'

			break
		fi
	done

	for testBranch in "${excludedBranches[@]}"; do
		if echo "${branch}" | grep "${testBranch}" >/dev/null; then
			ignoreBranch='1'

			break
		fi
	done

	if [ "${ignoreBranch}" = '1' ]; then
		continue


	fi

	## 7.b. Find the branch working directory
	branchdir="$(echo "${branch}" | sed 's@[^A-Za-z0-9-]@_@g')"
	builddir="${workdir}/build-output/branch-${branchdir}"
	branchdir="${workdir}/working-copies/branch-${branchdir}"
	mkdir -p "${branchdir}"

	## 7.c. Determine current checkout ID
	checkout="$(fossil info -R "${repository}" "${branch}" | awk '/^uuid:/{ print $3 "T" $4 "-" $2 }')"
	builddir="${builddir}/checkout-${checkout}"

	## 7.d. Determine if build even needs to occur
	if [ -d "${builddir}" ]; then
		continue
	fi
	mkdir -p "${builddir}"

	## 7.e. Check-out or update the branch
	(
		cd "${branchdir}" || exit 1

		if [ ! -f '.fslckout' ]; then
			fossil open "${repository}" "${branch}" --nested
		else
			fossil update "${branch}"
		fi
	) > "${builddir}/update.log" 2>&1 || continue

	## 7.f. Build and log the results, if there are any
	build_pass='1'
	(
		cd "${branchdir}" || exit 1

		for cmd in "${buildCommands[@]}"; do
			( eval "set -x; ${cmd}" ) || exit 1
		done
	) > "${builddir}/build.log" 2>&1 || build_pass='0'

	### 7.g. Test the branch
	if [ "${build_pass}" = '1' ]; then
		tests_pass='1'
		(
			cd "${branchdir}" || exit 1

			for cmd in "${testCommands[@]}"; do
				( eval "set -x; ${cmd}" ) || exit 1
			done
		) > "${builddir}/test.log" 2>&1 || tests_pass='0'
	fi

	### 7.h. Tag the branch with
	tagsToAdd=()
	if [ "${build_pass}" = '1' ]; then
		tagsToAdd=("${tagsToAdd[@]}" build-pass)

		if [ "${tests_pass}" = '1' ]; then
			tagsToAdd=("${tagsToAdd[@]}" tests-pass)
		else
			tagsToAdd=("${tagsToAdd[@]}" tests-fail)
		fi
	else
		tagsToAdd=("${tagsToAdd[@]}" build-fail)
	fi

	tagsToAddOpts=()
	for tag in "${tagsToAdd[@]}"; do
		tagsToAddOpts=("${tagsToAddOpts[@]}" --tag "${tagPrefix}${tag}${tagSuffix}")
	done

	fossil amend -R "${repository}" "${branch}" "${tagsToAddOpts[@]}" > "${builddir}/update.log" 2>&1

	### 7.i. Upload the logs somewhere if requested
	#### XXX:TODO

	### 7.j. Upload build artifacts somewhere if requested
	#### XXX:TODO
done

# 8. Clean up any branches that no longer exist
## XXX:TODO