scl_source

#!/bin/bash

help="usage: source scl_source <action> [<collection> ...]

Enable one or more collections in the current shell.

Options:
    -h, --help    display this help and exit"

if [ $1 = "-h" -o $1 = "--help" ]; then
  echo "$help"
  return 0
fi

scriptlet_name=$1
shift 1

scls=()
prefixes=()

for scl in "$@"; do
  prefix_file=/etc/scl/prefixes/${scl}
  prefix=`cat $prefix_file 2>/dev/null`
  if [ $? -ne 0 ]; then
    echo "Can't read $prefix_file, $scl is probably not installed."
    return 1
  fi
  enabled=`scl_enabled $scl`
  if [ $? -ne 0 ]; then
    scls+=($scl)
    prefixes+=($prefix)
  fi;
done

for i in ${!prefixes[@]}; do
  scriptlet_path="${prefixes[$i]}/${scls[$i]}/${scriptlet_name}"
  source "$scriptlet_path"
  if [ $? -ne 0 ]; then
    echo "Can't source $scriptlet_name, skipping."
  else
    export X_SCLS="${scls[$i]} $X_SCLS"
  fi;
done