dev-lang/nim: bump up to 0.19.0, bug #635032

While at it move installation to /usr/ prefix.

Reported-by: Jonas Stein
Closes: https://bugs.gentoo.org/635032
Package-Manager: Portage-2.3.50, Repoman-2.3.11

dev-lang/nim/Manifest

@@ -2,3 +2,4 @@ DIST nim-0.16.0.tar.xz 2907076 BLAKE2B 5f14bb2634da32deb810381edf817e3885382ffce
 DIST nim-0.17.0.tar.xz 25079320 BLAKE2B d01ade93ff299962aeea3dc9c90f0a8fe87acef8c2ee6d7d521d936c680aded0d8383221b7c11c3b2a8d6c28311c939456f271bbc90c1115acaae2c1987fa908 SHA512 90d709b39746fac5582b9df69d3eb9e3b7a39563a98f7a3002f00716b936e4e0d2be47d8b877878318692e6e2b85c08077dfcc20d9059573a1967402c244894b
 DIST nim-0.17.2.tar.xz 4083084 BLAKE2B c1a4134592bb6a57bfaf6174becb409e40075c77042964c639b39fe7b30f094bfc8d404d6e1e4e527a95333a8ee4597477f1052da1af58c3216042bb2f85c826 SHA512 7b4ed1eb1e9067ce72b76b95c43ec74eb38f04611776c174ba6a697254a9253fed61258712fb938f15e662bb3b0d36138194fc8fa89bbcb4d22888263e5e2880
 DIST nim-0.18.0.tar.xz 4412632 BLAKE2B f7286542daa4c3502f4edeb9d93e6a69169228a50248f1c5c02421cb8e70c0ab99bc84cc91b35a6227a4974345423eeb3b5ffecdb18e321b0a82eb8fd0879a16 SHA512 8f59cb4a8d44949cdd1154fb44df548005329da8255becf2f54083ce58323ff8d6cf7b2fdd86d4b1f446bd9f977e8eaf4b13c7ca6723da8a10c7b671954de772
+DIST nim-0.19.0.tar.xz 3321644 BLAKE2B e1de3b8a4c756315bcd110ddc62c03eb1a379403d8c102eb4d6d131cccabe3dccdfdac33d46037fd8b3b241d727acb42f5cb0b616a4079830ea3abf63089f90a SHA512 f7f3c8e0e9a6509b6404e21da4693ceb279112dd7a7c39edc7e717f21554442914c9cf7d811bb4034ff244e34d77dabf6e09b5e3e77c37314adf99cc0c3b2311

dev-lang/nim/files/nim-0.19.0-paths.patch

@@ -0,0 +1,36 @@
+Default to <prefix>/usr/bin install.
+
+https://bugs.gentoo.org/635032
+--- a/tools/niminst/install.tmpl
++++ b/tools/niminst/install.tmpl
+@@ -28,13 +28,13 @@ if [ $# -eq 1 ] ; then
+ echo "sh deinstall.sh DIR"
+ exit 1
+ ;;
+- "/usr/bin")
+- bindir=/usr/bin
+- configdir=/etc/?proj
+- libdir=/usr/lib/?proj
+- docdir=/usr/share/?proj/doc
+- datadir=/usr/share/?proj/data
+- nimbleDir="/opt/nimble/pkgs/?c.nimblePkgName-?c.version"
++ *)
++ bindir=$1/usr/bin
++ configdir=$1/etc/?proj
++ libdir=$1/usr/lib/?proj
++ docdir=$1/usr/share/?proj/doc
++ datadir=$1/usr/share/?proj/data
++ nimbleDir=$1"/opt/nimble/pkgs/?c.nimblePkgName-?c.version"
+ ;;
+ "/usr/local/bin")
+ bindir=/usr/local/bin
+@@ -68,6 +68,9 @@ if [ $# -eq 1 ] ; then
+ ;;
+ esac
+
++ mkdir -p $bindir
++ mkdir -p $datadir
++
+ mkdir -p $libdir
+ mkdir -p $docdir
+ mkdir -p $configdir

dev-lang/nim/nim-0.19.0.ebuild

@@ -0,0 +1,79 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit bash-completion-r1 multiprocessing
+
+DESCRIPTION="compiled, garbage-collected systems programming language"
+HOMEPAGE="https://nim-lang.org/"
+SRC_URI="https://nim-lang.org/download/${P}.tar.xz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86"
+IUSE="doc +readline test"
+
+RESTRICT=test # need to sort out depends and numerous failures
+
+RDEPEND="
+ readline? ( sys-libs/readline:0= )
+"
+DEPEND="
+ ${DEPEND}
+ test? ( net-libs/nodejs )
+"
+
+PATCHES=(
+ "${FILESDIR}"/${P}-paths.patch
+)
+
+_run() {
+ echo "$@"
+ "$@" || die "'$*' failed"
+}
+
+nim_use_enable() {
+ [[ -z $2 ]] && die "usage: nim_use_enable <USE flag> <compiler flag>"
+ use $1 && echo "-d:$2"
+}
+
+src_compile() {
+ _run ./build.sh
+
+ _run ./bin/nim --parallelBuild:$(makeopts_jobs) c koch
+ _run ./koch boot --parallelBuild:$(makeopts_jobs) -d:release $(nim_use_enable readline useGnuReadline)
+ # build nimble and friends
+ # --stable to avoid pulling HEAD nimble
+ PATH="./bin:$PATH" _run ./koch --stable tools
+
+ if use doc; then
+ PATH="./bin:$PATH" _run ./koch web
+ fi
+}
+
+src_test() {
+ PATH="./bin:$PATH" _run ./koch test
+}
+
+src_install() {
+ PATH="./bin:$PATH" _run ./koch install "${ED%/}"
+ rm -r "${ED%/}/usr/share/nim/doc" || die "failed to remove 'doc'"
+
+ exeinto /usr/bin
+
+ local bin_exe
+ for bin_exe in bin/*; do
+ # './koch install' installs only 'nim' binary
+ # but not the rest
+ [[ ${bin_exe} == bin/nim ]] && continue
+ doexe "${bin_exe}"
+ done
+
+ if use doc; then
+ insinto /usr/share/doc/${PF}
+ dodoc doc/*.html
+ fi
+
+ newbashcomp tools/nim.bash-completion ${PN}
+}