Sanitizing the Git Version for Correct Snapshot Publishing (#5357)

* circleci update

* corner cases:

* test

* hack

* hack

* fix extra line

* don't need that

* this way is safer

* fix

build.gradle

@@ -39,9 +39,19 @@ apply plugin: 'com.palantir.external-publish'
 apply from: 'gradle/versions.gradle'
 
 group = 'com.palantir.atlasdb'
-version = gitVersion()
+version = sanitizeVersion()
 description = 'Transactional distributed database layer'
 
+def sanitizeVersion() {
+    def isClean = "git status --porcelain".execute().text.isEmpty()
+    def pluginReportedVersion = gitVersion()
+
+    if (isClean && pluginReportedVersion.endsWith(".dirty")) {
+        return pluginReportedVersion.dropRight(".dirty".length())
+    }
+    return pluginReportedVersion
+}
+
 task printLastVersion {
     doLast {
         def details = versionDetails()