Improve install_eb_dep.sh

- Use correct paths (stray $HOME instead of $PREFIX)
- Use bash parameter expansion instead of `echo | sed`
- Correct quoting
- Cleanup archive and folder
- Reset -e

Author: Flamefire

easybuild/scripts/install_eb_dep.sh

@@ -1,77 +1,81 @@
 #!/bin/bash
 
-set -e
-
 if [ $# -ne 2 ]; then
     echo "Usage: $0 <name>-<version> <prefix>"
     exit 1
 fi
-PKG=$1
-PREFIX=$2
 
-PKG_NAME=`echo $PKG | sed 's/-[^-]*$//g'`
-PKG_VERSION=`echo $PKG | sed 's/.*-//g'`
+set -eu
+
+PKG="$1"
+PREFIX="$2"
+
+PKG_NAME="${PKG%-*}"
+PKG_VERSION="${PKG##*-}"
 
 CONFIG_OPTIONS=
 PRECONFIG_CMD=
 
-if [ x$PKG_NAME == 'xmodules' ] && [ x$PKG_VERSION == 'x3.2.10' ]; then
+if [ "$PKG_NAME" == 'modules' ] && [ "$PKG_VERSION" == '3.2.10' ]; then
     PKG_URL="http://prdownloads.sourceforge.net/modules/${PKG}.tar.gz"
     BACKUP_PKG_URL="https://easybuilders.github.io/easybuild/files/${PKG}.tar.gz"
-    export PATH=$PREFIX/Modules/$PKG_VERSION/bin:$PATH
-    export MOD_INIT=$HOME/Modules/$PKG_VERSION/init/bash
+    export PATH="$PREFIX/Modules/$PKG_VERSION/bin:$PATH"
+    export MOD_INIT="$PREFIX/Modules/$PKG_VERSION/init/bash"
 
-elif [ x$PKG_NAME == 'xmodules' ]; then
+elif [ "$PKG_NAME" == 'modules' ]; then
     PKG_URL="http://prdownloads.sourceforge.net/modules/${PKG}.tar.gz"
-    export PATH=$PREFIX/bin:$PATH
-    export MOD_INIT=$HOME/init/bash
+    export PATH="$PREFIX/bin:$PATH"
+    export MOD_INIT="$PREFIX/init/bash"
 
-elif [ x$PKG_NAME == 'xlua' ]; then
+elif [ "$PKG_NAME" == 'lua' ]; then
     PKG_URL="http://downloads.sourceforge.net/project/lmod/${PKG}.tar.gz"
     BACKUP_PKG_URL="https://easybuilders.github.io/easybuild/files/${PKG}.tar.gz"
     PRECONFIG_CMD="make clean"
     CONFIG_OPTIONS='--with-static=yes'
-    export PATH=$PWD/$PKG:$PREFIX/bin:$PATH
+    export PATH="$PWD/$PKG:$PREFIX/bin:$PATH"
 
-elif [ x$PKG_NAME == 'xLmod' ]; then
+elif [ "$PKG_NAME" == 'Lmod' ]; then
     PKG_URL="https://github.com/TACC/Lmod/archive/${PKG_VERSION}.tar.gz"
-    export PATH=$PREFIX/lmod/$PKG_VERSION/libexec:$PATH
-    export MOD_INIT=$HOME/lmod/$PKG_VERSION/init/bash
+    export PATH="$PREFIX/lmod/$PKG_VERSION/libexec:$PATH"
+    export MOD_INIT="$PREFIX/lmod/$PKG_VERSION/init/bash"
 
-elif [ x$PKG_NAME == 'xmodules-tcl' ]; then
+elif [ "$PKG_NAME" == 'modules-tcl' ]; then
     # obtain tarball from upstream via http://modules.cvs.sourceforge.net/viewvc/modules/modules/?view=tar&revision=1.147
     PKG_URL="https://easybuilders.github.io/easybuild/files/modules-tcl-${PKG_VERSION}.tar.gz"
-    export MODULESHOME=$PREFIX/$PKG/tcl  # required by init/bash source script
-    export PATH=$MODULESHOME:$PATH
-    export MOD_INIT=$MODULESHOME/init/bash.in
+    export MODULESHOME="$PREFIX/$PKG/tcl"  # required by init/bash source script
+    export PATH="$MODULESHOME:$PATH"
+    export MOD_INIT="$MODULESHOME/init/bash.in"
 else
     echo "ERROR: Unknown package name '$PKG_NAME'"
     exit 2
 fi
 
 echo "Installing ${PKG} @ ${PREFIX}..."
-mkdir -p ${PREFIX}
-set +e
-wget ${PKG_URL} && tar xfz *${PKG_VERSION}.tar.gz
-if [ $? -ne 0 ] && [ ! -z $BACKUP_PKG_URL ]; then
-    rm -f *${PKG_VERSION}.tar.gz
-    wget ${BACKUP_PKG_URL} && tar xfz *${PKG_VERSION}.tar.gz
+mkdir -p "${PREFIX}"
+if ! wget "${PKG_URL}" && [ -n "$BACKUP_PKG_URL" ]; then
+    rm -f ./*"${PKG_VERSION}".tar.gz
+    wget "${BACKUP_PKG_URL}"
 fi
-set -e
+
+tar xfz ./*"${PKG_VERSION}".tar.gz
+rm ./*"${PKG_VERSION}".tar.gz
 
 # environment-modules needs a patch to work with Tcl8.6
-if [ x$PKG_NAME == 'xmodules' ] && [ x$PKG_VERSION == 'x3.2.10' ]; then
+if [ "$PKG_NAME" == 'modules' ] && [ "$PKG_VERSION" == '3.2.10' ]; then
     wget -O 'modules-tcl8.6.patch' 'https://easybuilders.github.io/easybuild/files/modules-3.2.10-tcl8.6.patch'
-    patch ${PKG}/cmdModule.c modules-tcl8.6.patch
+    patch "${PKG}/cmdModule.c" modules-tcl8.6.patch
 fi
 
-if [ x$PKG_NAME == 'xmodules-tcl' ]; then
-    mv modules $PREFIX/${PKG}
+if [ "$PKG_NAME" == 'modules-tcl' ]; then
+    mv modules "$PREFIX/${PKG}"
 else
-    cd ${PKG}
-    if [[ ! -z $PRECONFIG_CMD ]]; then
-        eval ${PRECONFIG_CMD}
+    cd "${PKG}"
+    if [[ -n "$PRECONFIG_CMD" ]]; then
+        eval "${PRECONFIG_CMD}"
     fi
-    ./configure $CONFIG_OPTIONS --prefix=$PREFIX && make && make install
+    ./configure $CONFIG_OPTIONS --prefix="$PREFIX" && make && make install
     cd - > /dev/null
+    rm -r "${PKG}"
 fi
+
+set +eu