WIP CI

2 files changed, 199 insertions, 0 deletions

diff --git a/aux/ci/git-post-receive.sh b/aux/ci/git-post-receive.sh
new file mode 100755
index 0000000..fdb6455
--- /dev/null
+++ b/aux/ci/git-post-receive.sh
@@ -0,0 +1,185 @@
+#!/bin/sh
+# shellcheck source=/dev/null disable=2317
+. /etc/rc
+set -eu
+
+
+# shellcheck disable=2034
+read -r _oldrev SHA REFNAME
+
+if [ "$SHA" = '0000000000000000000000000000000000000000' ]; then
+	exit
+fi
+
+
+SKIP_DEPLOY=false
+for n in $(seq 0 $((GIT_PUSH_OPTION_COUNT - 1))); do
+	opt="$(eval "printf '%s' \"\$GIT_PUSH_OPTION_$n\"")"
+	case "$opt" in
+		ci.skip)
+			cat <<-EOF
+
+				"$opt" option detected, not running CI.
+
+			EOF
+			exit
+			;;
+		deploy.skip)
+			SKIP_DEPLOY=true
+			;;
+		*)
+			;;
+	esac
+done
+
+
+epoch() {
+	awk 'BEGIN { srand(); print(srand()); }'
+}
+
+now() {
+	date '+%Y-%m-%dT%H:%M:%S%:z'
+}
+
+NAME="$(basename "$PWD" .git)"
+LOGS_DIR=/var/log/ci/"$NAME"/
+HTML_OUTDIR="/srv/www/s/$NAME"
+TIMESTAMP="$(now)"
+FILENAME="$TIMESTAMP-$SHA.log"
+LOGFILE="$LOGS_DIR/$FILENAME"
+mkdir -p "$LOGS_DIR"
+
+
+END_MARKER='\033[0m'
+LIGHT_BLUE_B='\033[1;36m'
+YELLOW='\033[1;33m'
+
+blue() {
+	printf "${LIGHT_BLUE_B}%s${END_MARKER}" "$1"
+}
+
+yellow() {
+	printf "${YELLOW}%s${END_MARKER}" "$1"
+}
+
+info() {
+	sed "s|^\(.\)|$(blue 'CI'): \1|"
+}
+
+
+uuid() {
+	od -xN20 /dev/urandom |
+		head -n1 |
+		awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}'
+}
+
+tmpname() {
+	printf '%s/uuid-tmpname with spaces.%s' "${TMPDIR:-/tmp}" "$(uuid)"
+}
+
+mkdtemp() {
+	name="$(tmpname)"
+	mkdir -- "$name"
+	printf '%s' "$name"
+}
+
+
+cicd() {
+	echo "@: $@"
+	echo 123
+}
+
+
+{
+	cat <<-EOF | info
+		Starting CI job at: $(now)
+	EOF
+	START="$(epoch)"
+
+	duration() {
+		if [ "$RUN_DURATION" -gt 60 ]; then
+			cat <<-EOF
+				$(yellow 'WARNING'): run took more than 1 minute! ($RUN_DURATION seconds)
+			EOF
+		else
+			cat <<-EOF
+				Run took $RUN_DURATION seconds.
+			EOF
+		fi
+	}
+
+	finish() {
+		STATUS="$?"
+		END="$(epoch)"
+		RUN_DURATION=$((END - START))
+		cat <<-EOF | info
+			Finishing CI job at: $(now)
+			Exit status was $STATUS
+			Re-run with:
+			  \$ $CMD
+			$(duration)
+		EOF
+
+		NOTE="$(
+			cat <<-EOF
+				See CI logs with:
+				  git notes --ref=refs/notes/ci-logs show $SHA
+				  git notes --ref=refs/notes/ci-data show $SHA
+
+				Exit status: $STATUS
+				Duration: $RUN_DURATION
+			EOF
+		)"
+		git notes --ref=refs/notes/ci-data add -f -m "$(
+			cat <<-EOF
+				status $STATUS
+				sha $SHA
+				filename $FILENAME
+				duration $RUN_DURATION
+				timestamp $TIMESTAMP
+				to-prod $TO_PROD
+				refname $REFNAME
+			EOF
+		)" "$SHA"
+		git notes --ref=refs/notes/ci-logs add -f -F "$LOGFILE" "$SHA"
+		git notes add -f -m "$NOTE" "$SHA"
+
+		{
+			printf 'Git CI HTML report for %s (%s) started.\n' "$NAME" "$SHA" >&2
+			DIR="$(mkdtemp)"
+			report -o "$DIR"
+			sudo -u deployer rsync \
+				--chmod=D775,F664         \
+				--chown=deployer:deployer \
+				--delete                  \
+				-a                        \
+				"$DIR"/ "$HTML_OUTDIR"/ci/
+			rm -rf "$DIR"
+			printf 'Git CI HTML report for %s (%s) finished.\n' "$NAME" "$SHA" >&2
+		} 2>&1 | logger -i -p local0.warn -t git-ci 1>/dev/null 2>&1 &
+	}
+	trap finish EXIT
+
+	unset GIT_DIR
+
+	if [ "$REFNAME" = 'refs/heads/main' ] && [ "$SKIP_DEPLOY" = false ]; then
+		cat <<-EOF | info
+			In branch "main", running deploy for $SHA.
+		EOF
+		TO_PROD=true
+		CMD="cicd $SHA"
+	else
+		if [ "$SKIP_DEPLOY" = true ]; then
+			cat <<-EOF | info
+				"deploy.skip" option detected, skipping deploy for $SHA.
+			EOF
+		else
+			cat <<-EOF | info
+				Not on branch "main", skipping deploy for $SHA.
+			EOF
+		fi
+		TO_PROD=false
+		CMD="cicd -n $SHA"
+	fi
+	$CMD
+} 2>&1 | ts -s '%.s' | tee "$LOGFILE"
diff --git a/aux/ci/git-pre-receive.sh b/aux/ci/git-pre-receive.sh
new file mode 100755
index 0000000..199d06e
--- /dev/null
+++ b/aux/ci/git-pre-receive.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+read -r _oldrev SHA _refname
+unset GIT_DIR
+
+if [ "$SHA" = '0000000000000000000000000000000000000000' ]; then
+	exit
+fi
+
+printf 'Upgrading post-receive hook...' >&2
+git show "$SHA":aux/ci/git-post-receive.sh > hooks/post-receive
+chmod +x hooks/post-receive
+printf 'done.\n' >&2