Cleanup CodeQL DBs and output their location for later steps

Author: Edoardo Pirovano

Diff for: .github/workflows/pr-checks.yml

@@ -65,20 +65,38 @@ jobs:
       shell: bash
       run: ./build.sh
     - uses: ./../action/analyze
+      id: analysis
       env:
         TEST_MODE: true
     - run: |
-        cd "$RUNNER_TEMP/customDbLocation"
-        # List all directories as there will be precisely one directory per database
-        # but there may be other files in this directory such as query suites.
-        if [ "$(ls -d */ | wc -l)" != 6 ] || \
-           [[ ! -d cpp ]] || \
-           [[ ! -d csharp ]] || \
-           [[ ! -d go ]] || \
-           [[ ! -d java ]] || \
-           [[ ! -d javascript ]] || \
-           [[ ! -d python ]]; then
-          echo "Did not find expected number of databases. Database dir contains: $(ls)"
+        CPP_DB=${{ fromJson(steps.analysis.outputs.db-locations).cpp }}
+        if [[ ! -d $CPP_DB ]] || [[ ! $CPP_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for CPP, or created it in the wrong location."
+          exit 1
+        fi
+        CSHARP_DB=${{ fromJson(steps.analysis.outputs.db-locations).csharp }}
+        if [[ ! -d $CSHARP_DB ]] || [[ ! $CSHARP_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for C Sharp, or created it in the wrong location."
+          exit 1
+        fi
+        GO_DB=${{ fromJson(steps.analysis.outputs.db-locations).go }}
+        if [[ ! -d $GO_DB ]] || [[ ! $GO_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for Go, or created it in the wrong location."
+          exit 1
+        fi
+        JAVA_DB=${{ fromJson(steps.analysis.outputs.db-locations).java }}
+        if [[ ! -d $JAVA_DB ]] || [[ ! $JAVA_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for Java, or created it in the wrong location."
+          exit 1
+        fi
+        JAVASCRIPT_DB=${{ fromJson(steps.analysis.outputs.db-locations).javascript }}
+        if [[ ! -d $JAVASCRIPT_DB ]] || [[ ! $JAVASCRIPT_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for Javascript, or created it in the wrong location."
+          exit 1
+        fi
+        PYTHON_DB=${{ fromJson(steps.analysis.outputs.db-locations).python }}
+        if [[ ! -d $PYTHON_DB ]] || [[ ! $PYTHON_DB == ${{ runner.temp }}/customDbLocation/* ]]; then
+          echo "Did not create a database for Python, or created it in the wrong location."
           exit 1
         fi
 

Diff for: CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [UNRELEASED]
 
+- Output the location of CodeQL databases created in the analyze step. [#543](https://github.com/github/codeql-action/pull/543)
+
 ## 1.0.0 - 31 May 2021
 
 - Add this changelog file. [#507](https://github.com/github/codeql-action/pull/507)

Diff for: analyze/action.yml

@@ -13,6 +13,10 @@ inputs:
     description: Upload the SARIF file
     required: false
     default: "true"
+  cleanup-level:
+    description: "Level of cleanup to perform on CodeQL databases at the end of the analyze step. This should either be 'none' to skip cleanup, or be a valid argument for the --mode flag of the CodeQL CLI command 'codeql database cleanup' as documented at https://codeql.github.com/docs/codeql-cli/manual/database-cleanup"
+    required: false
+    default: "brutal"
   ram:
     description: Override the amount of memory in MB to be used by CodeQL. By default, almost all the memory of the machine is used.
     required: false
@@ -34,6 +38,9 @@ inputs:
     default: ${{ github.token }}
   matrix:
     default: ${{ toJson(matrix) }}
+outputs:
+  db-locations:
+    description: A map from language to absolute path for each database created by CodeQL.
 runs:
   using: 'node12'
   main: '../lib/analyze-action.js'