wip: Add python

Author: hyperupcall

pkg/src/modules/python.sh

@@ -0,0 +1,31 @@
+# shellcheck shell=bash
+
+python.matrix() {
+	local prefix='https://www.python.org'
+
+	local version=
+	while read -r version; do
+		printf '%s\n' "CPython|$version|linux|amd64|$prefix/ftp/python/${version#v}/Python-${version#v}.tar.xz"
+	done < <(m.fetch_github_tags 'python/cpython')
+}
+
+python.install() {
+	local url="$1"
+	local version="$2"
+
+	m.fetch -o './python.tar.xz' "$url"
+	m.ensure tar xf './python.tar.xz'
+	m.ensure mv ./Python-*/ './dir'
+	m.ensure cd -- './dir'
+
+	./configure \
+		--prefix="$PWD/prefix" \
+		--enable-optimizations 
+	make -j"$(nproc)"
+	make install
+
+	m.ensure cd '..' # FIXME
+
+	REPLY_DIR='./dir'
+	REPLY_BINS=('./prefix/bin')
+}

pkg/src/util/m.sh

@@ -58,6 +58,14 @@ m.git_tag_to_versions_array() {
 	unset _sha1 refspec
 }
 
+m.fetch_github_tags() {
+	local prefix="$1"
+	
+	local {_,refspec}=
+	while read -r _ refspec; do
+		printf '%s\n' "${refspec#refs/tags/}"
+	done < <(git ls-remote --refs --tags "https://github.com/$prefix")
+}
 m.fetch_github_release() {
 	local repo="$1"