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Support conditional package installation with --if <test>

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This commit is contained in:
Sam Stephenson 2013-02-08 16:47:52 -06:00
parent 3a426d13b7
commit 243e6fbecf
6 changed files with 23 additions and 26 deletions
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24
bin/ruby-build
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@ -93,15 +93,15 @@ file_is_not_empty() {
}
install_package() {
install_package_using "tarball" 1 $*
install_package_using "tarball" 1 "$@"
}
install_git() {
install_package_using "git" 2 $*
install_package_using "git" 2 "$@"
}
install_svn() {
install_package_using "svn" 2 $*
install_package_using "svn" 2 "$@"
}
install_package_using() {
@ -110,10 +110,22 @@ install_package_using() {
local package_name="$3"
shift 3
local fetch_args=( "$package_name" "${@:1:$package_type_nargs}" )
local make_args=( "$package_name" )
local arg last_arg
for arg in "${@:$(( $package_type_nargs + 1 ))}"; do
if [ "$last_arg" = "--if" ]; then
"$arg" || return 0
elif [ "$arg" != "--if" ]; then
make_args["${#make_args[@]}"]="$arg"
fi
last_arg="$arg"
done
pushd "$BUILD_PATH" >&4
"fetch_${package_type}" "$package_name" $*
shift $(($package_type_nargs))
make_package "$package_name" $*
"fetch_${package_type}" "${fetch_args[@]}"
make_package "${make_args[@]}"
popd >&4
{ echo "Installed ${package_name} to ${PREFIX_PATH}"