From 90de211ecfec1e434949ee1aea00922d5d6b4e5a Mon Sep 17 00:00:00 2001
From: Shulhan <ms@kilabit.info>
Date: Sat, 9 Jul 2022 13:38:11 +0700
Subject: all: add task to build package using devtools

The devtools allow package to build in clean chroot [1].

In this build, we bind the host go, go-build cache, and .gradle cache
to the chroot/build to minimize re-downloading Go and Java dependencies
on the next rebuild.

[1] https://wiki.archlinux.org/title/DeveloperWiki:Building_in_a_clean_chroot
---
 .gitignore |  2 ++
 Makefile   | 17 ++++++++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index fa33c86..5f272d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
+*.log
 *.zst
+/_build
 /collectd
 /fluent-bit
 /google-cloud-ops-agent-git
diff --git a/Makefile b/Makefile
index a0a2eab..25aa434 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: all check release
+.PHONY: all check chrootpkg patch release
 
 all:
 	makepkg -sd
@@ -6,6 +6,21 @@ all:
 check:
 	namcap PKGBUILD
 
+## Build the package using devtools.
+##
+## We bind the host go, go-build cache, and .gradle cache to the chroot/build
+## to minimize re-downloading Go and Java dependencies on the next rebuild.
+chrootpkg:
+	mkdir -p $$HOME/go
+	mkdir -p $$HOME/.cache/go-build
+	mkdir -p $$HOME/.gradle
+	mkdir -p _build
+	mkarchroot _build/root base-devel systemd || exit 0
+	makechrootpkg -d $$HOME/go:/build/go \
+		-d $$HOME/.cache/go-build:/build/.cache/go-build \
+		-d $$HOME/.gradle:/build/.gradle \
+		-r _build
+
 patch:
 	git -C src/google-cloud-ops-agent-git diff > 0001-apps-hostmetrics.patch && \
 	makepkg -g
-- 
cgit v1.3