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# This is an example PKGBUILD file. Use this as a start to creating your own,
# and remove these comments. For more information, see 'man PKGBUILD'.
# NOTE: Please fill out the license field for your package! If it is unknown,
# then please put 'unknown'.
# Maintainer: David Strawn <isomarcte a__t gmail d__o__t c__o__m>
pkgname='metals'
pkgver='0.5.2'
pkgrel=1
epoch=
pkgdesc='Language Server For Scala'
url='https://scalameta.org/metals/'
arch=(any)
license=('Apache')
groups=()
depends=('java-environment=8' 'findutils' 'python')
makedepends=('sbt' 'sed' 'grep' 'coreutils')
checkdepends=()
optdepends=('bloop')
provides=()
conflicts=()
replaces=()
backup=()
options=()
install=
changelog=
source=("https://github.com/scalameta/$pkgname/archive/v$pkgver.tar.gz" 'metals-client.sh' 'metals-emacs.sh' 'metals-vim.sh' 'metals-vscode.sh' 'metals-sublime.sh' 'version-fix.patch')
noextract=()
md5sums=('f9d0117ba797306b46ab9eda19da74a3'
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'96ff5b1033f281bdce3d21e1e1586508')
sha1sums=('f1b2f0da46161f0fe21afaa22599e69981e6c056'
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validpgpkeys=()
prepare() {
cd "$pkgname-$pkgver"
# The build currently does not set the correct version unless
# built from git with the environment variable CI set. See
# https://github.com/scalameta/metals/issues/662
patch -p1 -i ../version-fix.patch
}
build() {
export COURSIER_CACHE="./.cache/coursier/v1"
export CI="TRUE" # Needed so the build will not think it is a SNAPSHOT
local -r _ORG_PATH="$PATH"
local -r _SBT_DIR="./.sbt"
local -r _SBT_IVY="./.ivy2"
local -r _OPENJDK_JRE_8_PATH='/usr/lib/jvm/java-8-openjdk/jre/bin/'
cd "$pkgname-$pkgver"
# If openjdk-8 is install, attempt to use that to build. The build
# requires a java 8 environment. It is possible that even if
# openjdk8 is missing another java8 environment is setup, thus in
# the event that we can't find the openjdk8 jre, we'll just use
# whatever is set hoping that it is a version 8 jre.
if [ -d "$_OPENJDK_JRE_8_PATH" ]
then
export PATH="$_OPENJDK_JRE_8_PATH:$PATH"
else
echo 'Unable to find OpenJDK8 JRE. Attempting with the default JRE, but if it is not a version 8 JRE this will probably fail.'
fi
# When run with some AUR helpers, in particular `yay`, for a
# reason I do not understand `sbt` will regularly attempt to
# resolve the Scala compiler in a local-preloaded-ivy cache
# _only_, and not attempt to download it. However if you just run
# it again, it then tries to download it. This does not happen
# when run locally, for me at least, with makepkg or in a
# systemd-nspawn with extra-x86_64-build.
sbt -sbt-dir "$_SBT_DIR" -ivy "$_SBT_IVY" clean compile || sbt -sbt-dir "$_SBT_DIR" -ivy "$_SBT_IVY" clean compile
# Reset PATH
export PATH="$_ORG_PATH"
}
check() {
export COURSIER_CACHE="./.cache/coursier/v1"
export CI="TRUE" # Needed so the build will not think it is a SNAPSHOT
local -r _SBT_DIR="./.sbt"
local -r _SBT_IVY="./.ivy2"
cd "$pkgname-$pkgver"
## Tests on most recent release currently fail
# sbt test
}
package() {
export COURSIER_CACHE='./.cache/coursier/v1'
export CI="TRUE" # Needed so the build will not think it is a SNAPSHOT
## Constants ##
local -r _SBT_DIR='./.sbt'
local -r _SBT_IVY='./.ivy2'
local -r _TARGET_DIR='/usr/share/java/metals'
local -r _DEST_DIR="$pkgdir$_TARGET_DIR"
local -r _BIN_DEST_DIR="$_DEST_DIR/bin"
local -r _LIB_DEST_DIR="$_DEST_DIR/lib"
local -r _JAR_DEST_DIR="$_DEST_DIR/jars"
local -r _USR_BIN="$pkgdir/usr/bin"
local -r _TEMP_FILE="$(mktemp)"
local -r _LAUNCHER_SCRIPTS=('metals-client.sh' 'metals-emacs.sh' 'metals-vim.sh' 'metals-vscode.sh' 'metals-sublime.sh')
local -r _OPENJDK_JRE_8_PATH='/usr/lib/jvm/java-8-openjdk/jre/bin/'
local -r _ORG_PATH="$PATH"
# If openjdk-8 is install, attempt to use that to build. The build
# requires a java 8 environment. It is possible that even if
# openjdk8 is missing another java8 environment is setup, thus in
# the event that we can't find the openjdk8 jre, we'll just use
# whatever is set hoping that it is a version 8 jre.
if [ -d "$_OPENJDK_JRE_8_PATH" ]
then
export PATH="$_OPENJDK_JRE_8_PATH:$PATH"
else
echo 'Unable to find OpenJDK8 JRE. Attempting with the default JRE, but if it is not a version 8 JRE this will probably fail.'
fi
## Change Into Correct Directory ##
pushd "$pkgname-$pkgver"
## Create lib And bin Directories ##
install -d "$_LIB_DEST_DIR"
install -d "$_BIN_DEST_DIR"
## Install Class Files And Jars ##
### Determine Dependencies ###
# If you're reading this and you know of a better way to get all
# the dependencies from SBT directly, please let me know.
sbt -sbt-dir "$_SBT_DIR" -ivy "$_SBT_IVY" compile 'show metals/dependencyClasspath' 2>/dev/null | grep Attributed | sed 's/^[^\*]\+\* Attributed(\([^)]\+\).*/\1/g' > "$_TEMP_FILE"
while read dep
do
local _SANATIZED_DEP="${dep##*${pkgname}-$pkgver/}"
# Sort out directories from modules from third-party jars.
if [ -d "$_SANATIZED_DEP" ]
then
pushd "$_SANATIZED_DEP"
cp -r ./* "$_LIB_DEST_DIR/"
popd
else
if [ ! -e "$_JAR_DEST_DIR" ]
then
install -d "$_JAR_DEST_DIR"
fi
local _JAR_PATH="${dep##*/maven2}"
install -D "$_SANATIZED_DEP" "$_JAR_DEST_DIR$_JAR_PATH"
fi
done<"$_TEMP_FILE"
## Install Metals Class Files ##
install -d "$_DEST_DIR/metals"
pushd 'metals/target/scala-2.12/classes'
cp -r ./* "$_DEST_DIR/metals/"
popd
## Install And Symlink Launcher Scripts ##
for launcher in "${_LAUNCHER_SCRIPTS[@]}"
do
local _LINK_NAME="${launcher##*/}"
_LINK_NAME="${launcher%%.*}"
if [ ! -e "$_USR_BIN" ]
then
install -d "$_USR_BIN"
fi
install -m 755 "../$launcher" "$_BIN_DEST_DIR"
ln -s "$_TARGET_DIR/bin/$launcher" "$_USR_BIN/$_LINK_NAME"
done
## Ensure Correct Permissions ##
chown root:root -R "$_DEST_DIR"
chmod u=rwX -R "$_DEST_DIR"
chmod u=rwX -R "$_BIN_DEST_DIR"
chmod og=rX -R "$_DEST_DIR"
## Cleanup ##
rm "$_TEMP_FILE"
popd
# Reset PATH
export PATH="$_ORG_PATH"
}
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