slackbuilds/d/ruby-install/SlackBuild

#!/bin/bash

# variables
GITHUB_REPO=${GITHUB_REPO}
VERSION=${VERSION:-$(curl -s https://api.github.com/repos/${GITHUB_REPO}/releases/latest | jq -r .tag_name | sed 's|^null$|trunk|')} # or VERSION=trunk

TAG=gwh
TMP=/tmp/$TAG
OUTPUT=/tmp
CWD=$(pwd)
PRGNAM=$(basename $CWD)
PKG=$TMP/pkg-$PRGNAM

REPOSITORY=/home/installs/SlackBuilds/repositories/$PRGNAM

ARCH='noarch'
BUILD=1

PREFIX=/usr

mkdir -p $PKG

# mise en place
[ ! -e $REPOSITORY ] && git clone https://github.com/${GITHUB_REPO} $REPOSITORY
cd $REPOSITORY
git pull --all

# nettoyage pr<70>alable
rm -fr $PKG $TMP/$PRGNAM

cp -R $REPOSITORY $TMP/$PRGNAM
cd $TMP/$PRGNAM

[ "x$VERSION" == "xtrunk" ] && VERSION="git_$(git log -1 --format=%h_%ad --date=format:%Y.%m.%d)" || git checkout $VERSION

# compilation
make -j3 PREFIX=$PREFIX

# installation
make install PREFIX=$PREFIX DOC_DIR=$PREFIX/doc/$PRGNAM DESTDIR=$PKG
mv $PKG$PREFIX/share/man $PKG$PREFIX/man

# correction
cd $PKG
chown -R root:root *

[ -d $PKG/usr/man ] && find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)


# embaumement
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (Installs Ruby, JRuby, Rubinius, MagLev or MRuby)
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: https://github.com/${GITHUB_REPO}
$PRGNAM:
EOF

# empaquetage
cd $PKG
rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | sed 's/-//g')-$ARCH-$BUILD$TAG.txz