chore: use zipper to list jar file content

Java tools are tricky to find in a sh_test with bazel 8.

Author: simonresch

deploy/BUILD.bazel

@@ -144,21 +144,18 @@ sh_test(
         srcs = [artifact + "_artifact_test.sh"],
         args = [
             "$(rootpath :%s)" % artifact,
-            "$(JAVABASE)",
+            "$(location @bazel_tools//tools/zip:zipper)",
         ],
         data = [
             ":" + artifact,
-            "@bazel_tools//tools/jdk:current_java_runtime",
+            "@bazel_tools//tools/zip:zipper",
         ],
         tags = [
             # Coverage instrumentation necessarily adds files to the jar that we
             # wouldn't want to release and thus causes this test to fail.
             "no-coverage",
         ],
         target_compatible_with = SKIP_ON_WINDOWS,
-        toolchains = [
-            "@bazel_tools//tools/jdk:current_java_runtime",
-        ],
     )
     for artifact in [
         "jazzer-api",

deploy/jazzer-api_artifact_test.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 #
 # Copyright 2024 Code Intelligence GmbH
 #
@@ -16,12 +16,13 @@
 #
 
 [ -f "$1" ] || exit 1
-JAR="$2/bin/jar"
-[ -e "$JAR" ] || exit 1
+ZIPPER="$2"
+[[ -x "$ZIPPER" ]] || exit 1
+
 # List all files in the jar and exclude an allowed list of files.
 # Since grep fails if there is no match, ! ... | grep ... fails if there is a
 # match.
-! "$JAR" tf "$1" | \
+! "$ZIPPER" v "$1" | awk '{print $3}' | \
   grep -v \
     -e '^com/$' \
     -e '^com/code_intelligence/$' \

deploy/jazzer-junit_artifact_test.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 #
 # Copyright 2024 Code Intelligence GmbH
 #
@@ -16,12 +16,13 @@
 #
 
 [ -f "$1" ] || exit 1
-JAR="$2/bin/jar"
-[ -e "$JAR" ] || exit 1
+ZIPPER="$2"
+[[ -x "$ZIPPER" ]] || exit 1
+
 # List all files in the jar and exclude an allowed list of files.
 # Since grep fails if there is no match, ! ... | grep ... fails if there is a
 # match.
-! "$JAR" tf "$1" | \
+! "$ZIPPER" v "$1" | awk '{print $3}' | \
   grep -v \
     -e '^com/$' \
     -e '^com/code_intelligence/$' \

deploy/jazzer_artifact_test.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 #
 # Copyright 2024 Code Intelligence GmbH
 #
@@ -16,12 +16,13 @@
 #
 
 [ -f "$1" ] || exit 1
-JAR="$2/bin/jar"
-[ -e "$JAR" ] || exit 1
+ZIPPER="$2"
+[[ -x "$ZIPPER" ]] || exit 1
+
 # List all files in the jar and exclude an allowed list of files.
 # Since grep fails if there is no match, ! ... | grep ... fails if there is a
 # match.
-! "$JAR" tf "$1" | \
+! "$ZIPPER" v "$1" | awk '{print $3}' | \
   grep -v \
     -e '^com/$' \
     -e '^com/code_intelligence/$' \

src/main/java/com/code_intelligence/jazzer/runtime/BUILD.bazel

@@ -65,21 +65,18 @@ sh_test(
     srcs = ["verify_shading.sh"],
     args = [
         "$(rootpath jazzer_bootstrap.jar)",
-        "$(JAVABASE)",
+        "$(location @bazel_tools//tools/zip:zipper)",
     ],
     data = [
         "jazzer_bootstrap.jar",
-        "@bazel_tools//tools/jdk:current_java_runtime",
+        "@bazel_tools//tools/zip:zipper",
     ],
     tags = [
         # Coverage instrumentation necessarily adds files to the jar that we
         # wouldn't want to release and thus causes this test to fail.
         "no-coverage",
     ],
     target_compatible_with = SKIP_ON_WINDOWS,
-    toolchains = [
-        "@bazel_tools//tools/jdk:current_java_runtime",
-    ],
 )
 
 # At runtime, the AgentInstaller appends jazzer_bootstrap.jar to the bootstrap

src/main/java/com/code_intelligence/jazzer/runtime/verify_shading.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 #
 # Copyright 2024 Code Intelligence GmbH
 #
@@ -16,12 +16,13 @@
 #
 
 [ -f "$1" ] || exit 1
-JAR="$2/bin/jar"
-[ -e "$JAR" ] || exit 1
+ZIPPER="$2"
+[[ -x "$ZIPPER" ]] || exit 1
+
 # List all files in the jar and exclude an allowed list of files.
 # Since grep fails if there is no match, ! ... | grep ... fails if there is a
 # match.
-! "$JAR" tf "$1" | \
+! "$ZIPPER" v "$1" | awk '{print $3}' | \
   grep -v \
     -e '^com/$' \
     -e '^com/code_intelligence/$' \