mkrelease

#!/bin/sh

set -eu

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# Melvin Vermeeren <vermeeren@vermwa.re>
PGP_KEY='8AED 5802 1FEA CDD5 F27B  A0E6 A72F 6277 16EA 9D96'

REPO_WWW='https://github.com/michaeljones/breathe'

help()
{
	printf 'Usage: %s pack\n' "$0"
	printf 'Usage: %s sign\n' "$0"
	printf 'Usage: %s upload\n' "$0"
	printf 'Usage: %s clean\n' "$0"
	return 0
}

pack()
(
	mkdir -- mkrelease_tmp

	git archive \
		--format=tar.gz \
		--prefix="breathe-$version/" \
		-o "mkrelease_tmp/breathe-$version.tar.gz" \
		-- "v$version" \

	cd -- mkrelease_tmp
	tar -xf "breathe-$version.tar.gz"

	cd -- "breathe-$version"
	python3 setup.py sdist bdist_wheel
	mv -- dist ..

	cd -- ..
	rm -r -- "breathe-$version"

	exit 0
)

sign()
(
	cd -- mkrelease_tmp

	gpg -bu "$PGP_KEY" -- "breathe-$version.tar.gz"

	for file in dist/*; do
		gpg -bau "$PGP_KEY" -- "$file"
	done

	exit 0
)

upload()
(
	cd -- mkrelease_tmp

	twine upload -- dist/*

	{
	printf 'Note: Source tarball signature must be uploaded manually.\n'
	printf '\tCreate a new release on GitHub for version: %s\n' "$version"
	printf '\tThe source tarball itself must not be uploaded.\n'
	printf '\t%s\n' "$REPO_WWW/releases/new?tag=v$version"
	} >&2

	exit 0
)

clean()
(
	if [ -d mkrelease_tmp ]; then
		rm -r -- mkrelease_tmp
	fi

	exit 0
)

if [ "$#" -eq 0 ]; then
	help >&2
	exit 1
fi

if [ ! -d .git ]; then
	printf 'Error: Not executed from repository root\n' >&2
	exit 1
fi

if ! version="$(git describe --tags --exact)"; then
	printf 'Error: Cannot retrieve version from git.\n' >&2
	exit 1
fi
version="${version#v}"

command="$1"

case "$command" in
pack|sign|upload|clean)
	"$command"
	;;
*)
	{
	printf 'Error: Unknown command: %s\n' "$command"
	printf '\n'
	help
	} >&2
	exit 1
esac

exit 0