Generate Zip64 End Of Central Directory record if the output archive is >4G or has >64K entries.

RELNOTES:

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MOS_MIGRATED_REVID=131069270

1 files changed, 61 insertions, 0 deletions

diff --git a/src/tools/singlejar/zip64_test.sh b/src/tools/singlejar/zip64_test.sh
new file mode 100755
index 0000000000..3986ed0f92
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+++ b/src/tools/singlejar/zip64_test.sh
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+#!/bin/bash
+#
+# Copyright 2015 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+# Arguments:
+#   unittest.bash script
+#   singlejar path
+#   jar tool path
+
+(($# >= 3)) || \
+  { echo "Usage: $0 <unittest.bash dir> <singlejar> <jartool>" >&2; exit 1; }
+
+# Load test environment
+source $1/unittest.bash \
+  || { echo "unittest.bash not found!" >&2; exit 1; }
+
+set -e
+declare -r singlejar="$2"
+declare -r jartool="$3"
+
+
+# Test that an archive with >64K entries can be created.
+function test_65Kentries() {
+  local -r top="$TEST_TMPDIR/65Kentries"
+  date
+  mkdir -p "$top"
+  dd if=/dev/zero of="$top/file" bs=256 count=1
+  for dir in {1..256}; do
+    # Create 256 tiny files in $dirpath
+    local dirpath="$top/dir$dir"
+    mkdir -p "$dirpath"
+    split -b 1 "$top/file" "$dirpath/x."
+  done
+  # Now we have 256 directories with 256 files in each. Zipping them together
+  # yields an archive with >64K entries.
+  local -r inzip="$TEST_TMPDIR/in65K.zip"
+  local -r outzip="$TEST_TMPDIR/out65K.zip"
+  rm -f "$inzip" "$outzip"
+  "$jartool" -cf "$inzip" "$top"
+
+  "$singlejar" --output "$outzip" --sources "$inzip"
+  # Verify jar can read it.
+  local -ir n_entries=$("$jartool" -tf "$outzip" | wc -l)
+  ((${n_entries:-0} > 65536)) || \
+    { echo Expected 65536 entries, got "$n_entries" >&2; exit 1; }
+}
+
+run_suite "singlejar Zip64 handling"