# Copyright 2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

CRATES="
addr2line-0.12.2
adler32-1.1.0
aes-0.3.2
aes-soft-0.3.3
aesni-0.6.0
aho-corasick-0.7.13
ansi_term-0.11.0
async-compression-0.3.5
atty-0.2.14
autocfg-0.1.7
autocfg-1.0.0
backtrace-0.3.49
base64-0.11.0
base64-0.12.3
bitfield-0.13.2
bitflags-1.2.1
block-buffer-0.7.3
block-cipher-trait-0.6.2
block-modes-0.3.3
block-padding-0.1.5
blowfish-0.4.0
buf_redux-0.8.4
bumpalo-3.4.0
byte-tools-0.3.1
byteorder-1.3.4
bytes-0.5.5
cast5-0.6.0
cc-1.0.55
cfb-mode-0.3.2
cfg-if-0.1.10
chrono-0.4.11
circular-0.3.0
clap-2.33.1
clear_on_drop-0.2.4
core-foundation-0.7.1
core-foundation-sys-0.7.1
crc24-0.1.6
crc32fast-1.2.0
curl-0.4.30
curl-sys-0.4.32+curl-7.70.0
curve25519-dalek-2.1.0
darling-0.10.2
darling_core-0.10.2
darling_macro-0.10.2
derive_builder-0.9.0
derive_builder_core-0.9.0
des-0.3.0
digest-0.8.1
dtoa-0.4.6
ed25519-dalek-1.0.0-pre.3
effective-limits-0.5.1
encoding_rs-0.8.23
env_proxy-0.4.1
error-chain-0.12.2
failure-0.1.8
failure_derive-0.1.8
fake-simd-0.1.2
filetime-0.2.10
flate2-1.0.14
fnv-1.0.7
foreign-types-0.3.2
foreign-types-shared-0.1.1
fuchsia-zircon-0.3.3
fuchsia-zircon-sys-0.3.3
futures-channel-0.3.5
futures-core-0.3.5
futures-io-0.3.5
futures-sink-0.3.5
futures-task-0.3.5
futures-util-0.3.5
generator-0.6.21
generic-array-0.12.3
getrandom-0.1.14
gimli-0.21.0
git-testament-0.1.9
git-testament-derive-0.1.10
h2-0.2.5
hermit-abi-0.1.14
hex-0.4.2
http-0.2.1
http-body-0.3.1
httparse-1.3.4
hyper-0.13.6
hyper-tls-0.4.1
ident_case-1.0.1
idna-0.2.0
indexmap-1.4.0
iovec-0.1.4
itoa-0.4.6
js-sys-0.3.40
keccak-0.1.0
kernel32-sys-0.2.2
lazy_static-1.4.0
libc-0.2.71
libm-0.2.1
libz-sys-1.0.25
log-0.4.8
loom-0.3.4
lzma-sys-0.1.16
matches-0.1.8
md-5-0.8.0
memchr-2.3.3
mime-0.3.16
mime_guess-2.0.3
miniz_oxide-0.3.7
mio-0.6.22
miow-0.2.1
native-tls-0.2.4
net2-0.2.34
nom-4.2.3
num-bigint-dig-0.6.0
num-derive-0.3.0
num-integer-0.1.43
num-iter-0.1.41
num-traits-0.2.12
num_cpus-1.13.0
object-0.20.0
once_cell-1.4.0
opaque-debug-0.2.3
opener-0.4.1
openssl-0.10.30
openssl-probe-0.1.2
openssl-sys-0.9.58
openssl-src-111.10.0+1.1.1g
percent-encoding-2.1.0
pgp-0.5.2
pin-project-0.4.22
pin-project-internal-0.4.22
pin-project-lite-0.1.7
pin-utils-0.1.0
pkg-config-0.3.17
ppv-lite86-0.2.8
proc-macro2-1.0.18
pulldown-cmark-0.7.1
quote-1.0.7
rand-0.7.3
rand_chacha-0.2.2
rand_core-0.5.1
rand_hc-0.2.0
redox_syscall-0.1.56
regex-1.3.9
regex-syntax-0.6.18
remove_dir_all-0.5.3
reqwest-0.10.6
retry-1.0.0
ripemd160-0.8.0
rs_tracing-1.0.1
rsa-0.2.0
rustc-demangle-0.1.16
rustc_version-0.2.3
ryu-1.0.5
safemem-0.3.3
same-file-1.0.6
schannel-0.1.19
scoped-tls-0.1.2
scopeguard-1.1.0
security-framework-0.4.4
security-framework-sys-0.4.3
semver-0.9.0
semver-parser-0.7.0
serde-1.0.114
serde_derive-1.0.114
serde_json-1.0.55
serde_urlencoded-0.6.1
sha-1-0.8.2
sha2-0.8.2
sha3-0.8.2
slab-0.4.2
smallvec-1.4.0
socket2-0.3.12
spin-0.5.2
stream-cipher-0.3.2
strsim-0.10.0
strsim-0.8.0
strsim-0.9.3
subtle-2.2.3
syn-1.0.33
synstructure-0.12.4
sys-info-0.6.1
tar-0.4.29
tempfile-3.1.0
term-0.5.1
textwrap-0.11.0
thiserror-1.0.20
thiserror-impl-1.0.20
thread_local-1.0.1
threadpool-1.8.1
time-0.1.43
tinyvec-0.3.3
tokio-0.2.21
tokio-tls-0.3.1
tokio-util-0.3.1
toml-0.5.6
tower-service-0.3.0
try-lock-0.2.2
try_from-0.3.2
twofish-0.2.0
typenum-1.12.0
unicase-2.6.0
unicode-bidi-0.3.4
unicode-normalization-0.1.13
unicode-width-0.1.7
unicode-xid-0.2.1
url-2.1.1
vcpkg-0.2.10
vec_map-0.8.2
version_check-0.1.5
version_check-0.9.2
wait-timeout-0.2.0
walkdir-2.3.1
want-0.3.0
wasi-0.9.0+wasi-snapshot-preview1
wasm-bindgen-0.2.63
wasm-bindgen-backend-0.2.63
wasm-bindgen-futures-0.4.13
wasm-bindgen-macro-0.2.63
wasm-bindgen-macro-support-0.2.63
wasm-bindgen-shared-0.2.63
web-sys-0.3.40
winapi-0.2.8
winapi-0.3.9
winapi-build-0.1.1
winapi-i686-pc-windows-gnu-0.4.0
winapi-util-0.1.5
winapi-x86_64-pc-windows-gnu-0.4.0
winreg-0.6.2
winreg-0.7.0
ws2_32-sys-0.2.1
x25519-dalek-0.6.0
xattr-0.2.2
xz2-0.1.6
zeroize-1.1.0
zeroize_derive-1.0.0
"

HOME_CRATE_COMMIT="a243ee2fbee6022c57d56f5aa79aefe194eabe53"

inherit bash-completion-r1 cargo prefix

DESCRIPTION="Rust toolchain installer"
HOMEPAGE="https://rust-lang.github.io/rustup/"

if [[ ${PV} == "9999" ]] ; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/rust-lang/${PN}.git"
else
	SRC_URI="https://github.com/rust-lang/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz
		https://github.com/rbtcollins/home/archive/${HOME_CRATE_COMMIT}.tar.gz -> ${P}_home_crate.tar.gz
		$(cargo_crate_uris ${CRATES})"
	KEYWORDS="~amd64 ~arm64 ~ppc64"
fi

LICENSE="Apache-2.0 Apache-2.0-with-LLVM-exceptions BSD Boost-1.0 CC0-1.0 MIT Unlicense ZLIB"
SLOT="0"
IUSE=""

# requires old libressl-2.5, so openssl only for now.
DEPEND="
	app-arch/xz-utils
	net-misc/curl:=[http2,ssl]
	dev-libs/openssl:0=
"
RDEPEND="${DEPEND}"
BDEPEND="virtual/rust"

QA_FLAGS_IGNORED="usr/bin/.*"

# uses network
RESTRICT="test"

src_prepare() {
	default
	# use portage-downloaded git checkout tarball
	sed -i "/^home =/s:.*:home = { path = \"../home-${HOME_CRATE_COMMIT}\" }:" Cargo.toml || die
}

src_unpack() {
	if [[ "${PV}" == *9999* ]]; then
		git-r3_src_unpack
		cargo_live_src_unpack
	else
		cargo_src_unpack
	fi
}

src_configure() {
	local myfeatures=( no-self-update )
	cargo_src_configure
}

src_compile() {
	export OPENSSL_NO_VENDOR=true
	cargo_src_compile
}

src_install() {
	cargo_src_install
	einstalldocs
	newbin "$(prefixify_ro "${FILESDIR}"/symlink_rustup.sh)" rustup-init-gentoo

	ln -s "${ED}/usr/bin/rustup-init" rustup || die
	./rustup completions bash rustup > "${T}/rustup" || die
	./rustup completions zsh rustup > "${T}/_rustup" || die

	dobashcomp "${T}/rustup"

	insinto /usr/share/zsh/site-functions
	doins "${T}/_rustup"
}

pkg_postinst() {
		einfo "No rustup toolchains installed by default"
		einfo "eselect activated system rust toolchain can be added to rustup by running"
		einfo "helper script installed as ${EPREFIX}/usr/bin/rustup-init-gentoo"
		einfo "it will create symlinks to system-installed rustup in home directory"
		einfo "and rustup updates will be managed by portage"
		einfo "please delete current rustup binaries from ~/.cargo/bin/ (if any)"
		einfo "before running rustup-init-gentoo"
}