Handle different Grapes cache directory

test/grape.groovy

@@ -1,8 +1,46 @@
-@Grab(group='org.apache.commons', module='commons-lang3', version='3.7')
-import org.apache.commons.lang3.StringUtils
+@Grab(group='org.apache.commons', module='commons-lang3', version='3.13.0')
+import org.apache.commons.lang3.*
 
-if (new File('/home/groovy/.groovy/grapes').listFiles().size() == 0) {
- System.exit 1
-} else {
- System.exit 0
+File getGroovyRoot() {
+ String root = System.getProperty('groovy.root')
+ def groovyRoot
+ if (root == null) {
+ groovyRoot = new File(System.getProperty('user.home'), '.groovy')
+ } else {
+ groovyRoot = new File(root)
+ }
+ try {
+ groovyRoot = groovyRoot.getCanonicalFile()
+ } catch (IOException ignore) {
+ // skip canonicalization then, it may not exist yet
+ }
+ groovyRoot
+}
+
+File getGrapeDir() {
+ String root = System.getProperty('grape.root')
+ if (root == null) {
+ return getGroovyRoot()
+ }
+ File grapeRoot = new File(root)
+ try {
+ grapeRoot = grapeRoot.getCanonicalFile()
+ } catch (IOException ignore) {
+ // skip canonicalization then, it may not exist yet
+ }
+ grapeRoot
+}
+
+File getGrapeCacheDir() {
+ File cache = new File(getGrapeDir(), 'grapes')
+ if (!cache.exists()) {
+ cache.mkdirs()
+ } else if (!cache.isDirectory()) {
+ throw new RuntimeException("The grape cache dir $cache is not a directory")
+ }
+ cache
+}
+
+if (getGrapeCacheDir().listFiles().size() == 0) {
+ throw new RuntimeException('No Grapes files')
 }