[OPENJDK-3646] clean up jdeps *.txt files unless S2I_DELETE_SOURCE is set

modules/jlink/artifacts/opt/jboss/container/java/jlink/generatejdkdeps.sh

@@ -2,8 +2,8 @@
 
 function generatejdkdeps() {
   echo "Generating JDK deps"
-  $JAVA_HOME/bin/java --list-modules > java-modules.txt
-  < java-modules.txt sed "s/\\@.*//" > modules.txt
-  grep -Fx -f stripped-deps.txt modules.txt | tr '\n' ',' | tr -d "[:space:]" > module-deps.txt
-  echo "jdk.zipfs" >> module-deps.txt
+  $JAVA_HOME/bin/java --list-modules > $S2I_JLINK_TEMP_PATH/java-modules.txt
+  < $S2I_JLINK_TEMP_PATH/java-modules.txt sed "s/\\@.*//" > $S2I_JLINK_TEMP_PATH/modules.txt
+  grep -Fx -f $S2I_JLINK_TEMP_PATH/stripped-deps.txt $S2I_JLINK_TEMP_PATH/modules.txt | tr '\n' ',' | tr -d "[:space:]" > $S2I_JLINK_TEMP_PATH/module-deps.txt
+  echo "jdk.zipfs" >> $S2I_JLINK_TEMP_PATH/module-deps.txt
 }

modules/jlink/artifacts/opt/jboss/container/java/jlink/mkdeps.sh

@@ -21,12 +21,12 @@ function generate_deps() {
         --module-path dependencies \
         "$JAVA_APP_JAR" \
         "$JAVA_LIB_DIR"/**/*.jar \
-        > deps.txt
+        > $S2I_JLINK_TEMP_PATH/deps.txt
   else 
     $JAVA_HOME/bin/jdeps --multi-release $JAVA_VERSION -R -s \
       --module-path dependencies \
       "$JAVA_APP_JAR" \
-      > deps.txt
-    cat deps.txt
+      > $S2I_JLINK_TEMP_PATH/deps.txt
+    cat $S2I_JLINK_TEMP_PATH/deps.txt
   fi
 }

modules/jlink/artifacts/opt/jboss/container/java/jlink/mkjreimage.sh

@@ -2,7 +2,7 @@
 # TODO: Still Needed?
 set -euo pipefail
 
-depsfile="module-deps.txt"
+depsfile="$S2I_JLINK_TEMP_PATH/module-deps.txt"
 
 function generate_jre_image() {
 	test -f $depsfile

modules/jlink/artifacts/opt/jboss/container/java/jlink/mkstrippeddeps.sh

@@ -2,16 +2,16 @@
 set -euo pipefail
 
 function mkstrippeddeps() {
-  if [ -f "deps.txt" ]; then 
+  if [ -f "$S2I_JLINK_TEMP_PATH/deps.txt" ]; then 
     echo "deps exists, filtering"
-    <deps.txt \
+    < $S2I_JLINK_TEMP_PATH/deps.txt \
       grep 'java\|jdk\.'  | # mostly removes target/, but also jdk8internals
       sed -E "s/Warning: .*//" | #remove extraneous warnings
       sed -E "s/.*-> //"  | # remove src of src -> dep
       sed -E "s/.*\.jar//" | # remove extraneous dependencies
       sed "s#/.*##"       | # delete anything after a slash. in practice target/..
       sort | uniq |
-      tee stripped-deps.txt
+      tee $S2I_JLINK_TEMP_PATH/stripped-deps.txt
     echo "Stripping dependencies complete"
   else
     echo "deps does not exist"

modules/jlink/module.yaml

@@ -14,6 +14,8 @@ envs:
   value: /opt/jboss/container/java/jlink
 - name: S2I_JLINK_OUTPUT_PATH
   value: /tmp/jre
+- name: S2I_JLINK_TEMP_PATH
+  value: /tmp/jlink
 
 modules:
   install: 

modules/jlink/tests/features/jlink.feature

@@ -18,3 +18,11 @@ Scenario: Check that /tmp/jre/bin/java and /tmp/jre/lib/modules exist post s2i b
        | S2I_ENABLE_JLINK    | true         |
       Then file /tmp/jre/bin/java should exist and be a file
        And file /tmp/jre/lib/modules should exist and be a file
+
+Scenario: Check that /tmp/jlink is deleted when S2I_DELETE_SOURCE is set
+    Given s2i build https://github.com/rh-openjdk/openjdk-container-test-applications from quarkus-quickstarts/getting-started-3.9.2-uberjar
+       | variable            | value        |
+       | S2I_ENABLE_JLINK    | true         |
+       | S2I_DELETE_SOURCE   | true         |
+      Then s2i build log should contain Cleaning up temporary file directory /tmp/jlink
+       And file /tmp/jlink should not exist

modules/s2i/bash/artifacts/usr/local/s2i/assemble

@@ -25,6 +25,11 @@ if [ "$S2I_ENABLE_JLINK" = "true" ]; then
     jlink_techpreview_warning
     jlink_preflight_check
 
+    if [ ! -d "${S2I_JLINK_TEMP_PATH}" ]; then
+        log_info "S2I_JLINK_TEMP_PATH does not exist, creating ${S2I_JLINK_TEMP_PATH}"
+        mkdir -pm 775 "${S2I_JLINK_TEMP_PATH}"
+    fi
+
     source "${JBOSS_CONTAINER_JAVA_JLINK_MODULE}/mkdeps.sh"
     echo "Invoking mkdeps"
     generate_deps || {
@@ -53,4 +58,11 @@ if [ "$S2I_ENABLE_JLINK" = "true" ]; then
         exit 1
     }
 
+    if [ "$S2I_DELETE_SOURCE" == "true" ]; then
+      if [ -n "$(find $S2I_JLINK_TEMP_PATH -maxdepth 0 -type d ! -empty 2> /dev/null)" ]; then
+        log_info "Cleaning up temporary file directory $S2I_JLINK_TEMP_PATH"
+        rm -rf $S2I_JLINK_TEMP_PATH
+      fi
+    fi
 fi
+