Update CI tooling

Author: Tyil

.gitlab-ci.yml

@@ -0,0 +1,13 @@
+image: docker:latest
+services:
+  - docker:dind
+cache:
+  key: ${CI_COMMIT_REF_SLUG}
+  paths:
+    - /usr/portage
+    - /var/portage
+    - /var/lib/docker
+
+build-ebuilds:
+  script:
+    - ./.tools/bin/ci-run-mr

.tools/bin/ci-mkdockercmds

@@ -0,0 +1,23 @@
+#! /usr/bin/env sh
+
+set -e
+
+export PATH=$PATH:$(pwd)/.tools/bin
+export DEBIAN_FRONTEND=noninteractive
+
+hash -r
+
+{
+  # We need git for consecutive commands
+  apt update -qq
+  apt install -qqy git
+
+  # Make sure the latest `master` is also available to diff against
+  git fetch -a origin
+  git checkout master
+  git pull origin master
+  git checkout -
+} > /dev/null
+
+# Generate the testing commands
+updated-ebuilds | ebuild2atom | make-docker-commands --root="$1"

.tools/bin/ci-run-mr

@@ -0,0 +1,31 @@
+#! /usr/bin/env sh
+
+set -e
+
+main()
+{
+  cmds=$(mktemp)
+
+  mkdir -p /usr/portage
+  mkdir -p /var/portage
+
+  # Sync latest portage tree
+  do_cmd docker run -v /usr/portage:/usr/portage gentoo/stage3-amd64 emerge -q --sync
+
+  # Run the script to generate the testing commands
+  do_cmd docker run -w /app -v "$(pwd):/app" rakudo-star sh .tools/bin/ci-mkdockercmds "$(pwd)" > "$cmds"
+
+  # Run the testing commands
+  while read -r cmd
+  do
+    do_cmd $cmd
+  done < "$cmds"
+}
+
+do_cmd()
+{
+  printf "> %s\n" "$*" >&2
+  $@
+}
+
+main "$@"

.tools/bin/ebuild2atom

@@ -0,0 +1,14 @@
+#! /usr/bin/env perl6
+
+#| Convert a path to an ebuild into an atom that can be passed to emerge.
+sub MAIN (*@ebuilds)
+{
+	@ebuilds = $*IN.lines unless @ebuilds;
+
+	for @ebuilds {
+		my $category = $_.split("/").head;
+		my $package = $_.split("/").tail.IO.extension("").Str;
+
+		say "=$category/$package"
+	}
+}

.tools/bin/make-docker-commands

@@ -0,0 +1,58 @@
+#! /usr/bin/env perl6
+
+#| Build packages
+sub MAIN (
+	#| Host's path to the Portage tree.
+	Str:D :$tree = "/usr/portage",
+
+	#| Host's path to Portage's var dir. This holds binpkgs and distfiles.
+	Str:D :$var = "/var/portage",
+
+	#| Host's path to the root of the overlay.
+	Str:D :$root is copy = "",
+
+	#| A list of packages to build
+	*@packages,
+) {
+	@packages = $*IN.lines unless @packages;
+	$root = shell("git rev-parse --show-toplevel", :out).out.slurp.trim unless $root;
+
+	build-pkg($_, :$tree, :$var, root => $root.IO) for @packages;
+}
+
+#| Build a given package in a clean Docker container
+sub build-pkg (
+	#| The name of the package to build
+	Str:D $package,
+
+	#| Host's path to the Portage tree.
+	Str:D :$tree = "/usr/portage",
+
+	#| Host's path to Portage's var dir. This holds binpkgs and distfiles.
+	Str:D :$var = "/var/portage",
+
+	#| Path to overlay's root
+	IO::Path:D :$root,
+) {
+	my Pair @volumes = (
+		$tree => "/usr/portage",
+		$var => "/var/portage",
+		$root.add(".tools").add("etc").absolute => "/etc/portage",
+		$root.absolute => "/app",
+	);
+
+	my Str @cmd = <
+		docker
+		run
+	>;
+
+	for @volumes {
+		@cmd.push: "-v $_.key():$_.value()";
+	}
+
+	@cmd.push: "gentoo/stage3-amd64";
+	@cmd.push: "emerge";
+	@cmd.push: $package;
+
+	@cmd.join(" ").say;
+}

.tools/bin/mkcommit

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+#! /usr/bin/env perl6
+
+sub MAIN (
+	*@words,
+) {
+	my @ebuilds = (run « git diff --name-status master », :out).out.lines.grep(*.ends-with(".ebuild"));
+
+	if (@ebuilds.elems != 1) {
+		exit note q:to/EOF/;
+			Committed ebuilds does not equal to 1. Each commit should only
+			contain a single ebuild update.
+			EOF
+	}
+
+	my $ebuild = @ebuilds.head.split("\t").tail.split("/").head(2).join("/");
+
+	run « git commit -S -m "$ebuild: @words.join(" ")" »;
+}

.tools/bin/updated-ebuilds

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+#! /usr/bin/env perl6
+
+#| Get a list of all changed package atoms.
+sub MAIN ()
+{
+	(run « git diff --name-status master », :out).out.lines
+		.grep(*.ends-with(".ebuild"))
+		.map(*.split("\t").tail)
+		.map(*.say)
+		;
+}

.tools/etc/make.conf

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+COMMON_FLAGS="-O2 -pipe"
+CFLAGS="${COMMON_FLAGS}"
+CXXFLAGS="${COMMON_FLAGS}"
+FCFLAGS="${COMMON_FLAGS}"
+FFLAGS="${COMMON_FLAGS}"
+
+FEATURES="
+	$FEATURES
+	buildpkg
+	network-sandbox
+	parallel-fetch
+	parallel-install
+	sandbox
+	userfetch
+	userpriv
+	usersandbox
+	usersync
+"
+
+EMERGE_DEFAULT_OPTS="
+	$EMERGE_DEFAULT_OPTS
+	--binpkg-respect-use=y
+	--binpkg-changed-deps=y
+	--tree
+	--usepkg
+	--verbose
+"
+
+PKGDIR=/var/portage/packages
+DISTDIR=/var/portage/distfiles
+
+LC_MESSAGES=C
+L10N="en"

.tools/etc/make.profile

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+../../usr/portage/profiles/default/linux/amd64/17.0/desktop

.tools/etc/package.accept_keywords

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+*/*::sk-overlay ~*