Classify git commits

Author: JohT

cypher/GitLog/Set_commit_classification_properties.cypher

@@ -0,0 +1,25 @@
+// Classify git commits and set properties like isMergeCommit, isAutomationCommit (=isBotCommit or isMavenCommit).
+
+MATCH (git_commit:Git:Commit)
+WITH git_commit,
+     COUNT { (git_commit)-[:HAS_PARENT]->(:Git:Commit) } AS parentCount
+WITH git_commit,
+     parentCount >= 2                                    AS isMergeCommit,
+     git_commit.author    CONTAINS '[bot]'               AS isBotAuthor,
+     git_commit.message STARTS WITH '[maven'             AS isMavenCommit
+WITH git_commit,
+     isMergeCommit,
+     isBotAuthor,
+     isMavenCommit,
+     (isBotAuthor OR isMavenCommit)                      AS isAutomatedCommit
+SET git_commit.isMergeCommit     = isMergeCommit,
+    git_commit.isBotAuthor       = isBotAuthor,
+    git_commit.isMavenCommit     = isMavenCommit,
+    git_commit.isAutomatedCommit = isAutomatedCommit,
+    git_commit.isManualCommit    = NOT isAutomatedCommit
+RETURN count(git_commit) AS classifiedCommits
+// For Debugging:
+//      ,isMergeCommit
+//      ,isBotAuthor
+//      ,isMavenCommit
+//      ,isAutomatedCommit

scripts/importGit.sh

@@ -141,7 +141,10 @@ commonPostGitImport() {
 postGitLogImport() {
   echo "importGit: Add numberOfGitCommits property to nodes with matching file names..."
   execute_cypher "${GIT_LOG_CYPHER_DIR}/Set_number_of_git_log_commits.cypher"
-
+  
+  echo "importGit: Classify git commits (e.g. isMergeCommit, isAutomatedCommit)..."
+  execute_cypher "${GIT_LOG_CYPHER_DIR}/Set_commit_classification_properties.cypher"
+  
   commonPostGitImport
 }
 
@@ -157,6 +160,9 @@ postGitPluginImport() {
   execute_cypher "${GIT_LOG_CYPHER_DIR}/Index_file_relative_path.cypher"
   execute_cypher "${GIT_LOG_CYPHER_DIR}/Index_absolute_file_name.cypher"
 
+  echo "importGit: Classify git commits (e.g. isMergeCommit, isAutomatedCommit)..."
+  execute_cypher "${GIT_LOG_CYPHER_DIR}/Set_commit_classification_properties.cypher"
+
   echo "importGit: Add numberOfGitCommits property to nodes with matching file names..."
   execute_cypher "${GIT_LOG_CYPHER_DIR}/Set_number_of_git_plugin_commits.cypher"
   echo "importGit: Add updateCommitCount property to file nodes and code nodes with matching file names..."