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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.bigtop
class BuildUtils {
def evaluateBOM = { map, eval ->
if (eval.contains("\$(")) {
// Crazy case of using make's subst
if (eval.contains("\$(subst")) {
// Extracting name of the var from something like
// $(subst -,.,$(BIGTOP_VERSION))
def pattern = ~ /.*\$\(subst -,.,\$\((\w+[-]?\w+?)\)\)/
def m = eval =~ pattern
def token = ""
if (m.matches()) {
token = m[0][1]
}
eval = map.get(token).replaceAll("-", ".")
return eval
}
// Extracting all variable names that might or not be separated by dash
def pattern = ~/\$\((\w+[-]?\w+?)\)/
def m = eval =~ pattern
def counter = 0
// Moving forward while matches are found
while (m.find()) {
eval = eval.replaceAll(/\$\(/, "").replaceAll(/\)/,"")
(1..m.groupCount()).each { i ->
def token = m[counter++][i]
assert map.get(token) != null
eval = eval.replaceAll(token, map.get(token))
}
}
}
eval
}
}
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