From 0334615e51feeeb40f9f9b7f5c391deef3445341 Mon Sep 17 00:00:00 2001
From: Mike Aizatsky <aizatsky@google.com>
Date: Wed, 19 Oct 2016 15:07:24 -0700
Subject: [PATCH] [infra] determining source code revisions

---
 infra/base-images/base-libfuzzer/Dockerfile |  4 +-
 infra/base-images/base-libfuzzer/compile    |  1 +
 infra/base-images/base-libfuzzer/revisions  | 45 +++++++++++++++++++++
 3 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100755 infra/base-images/base-libfuzzer/revisions

diff --git a/infra/base-images/base-libfuzzer/Dockerfile b/infra/base-images/base-libfuzzer/Dockerfile
index 18c3e2e3d..7b63e2d7e 100644
--- a/infra/base-images/base-libfuzzer/Dockerfile
+++ b/infra/base-images/base-libfuzzer/Dockerfile
@@ -16,7 +16,7 @@
 
 FROM ossfuzz/base-clang
 MAINTAINER mike.aizatsky@gmail.com
-RUN apt-get install -y libc6-dev libtool git subversion
+RUN apt-get install -y libc6-dev libtool git subversion jq
 
 RUN mkdir -p /work/libfuzzer
 
@@ -30,7 +30,7 @@ RUN mkdir /out
 VOLUME /out
 
 RUN mkdir /src/bin
-COPY compile run /src/bin/
+COPY compile revisions run /src/bin/
 ENV PATH=/src/bin:$PATH
 WORKDIR /src
 CMD ["compile"]
diff --git a/infra/base-images/base-libfuzzer/compile b/infra/base-images/base-libfuzzer/compile
index 6ace259ba..d05594550 100755
--- a/infra/base-images/base-libfuzzer/compile
+++ b/infra/base-images/base-libfuzzer/compile
@@ -15,6 +15,7 @@
 #
 ################################################################################
 
+revisions
 echo "---------------------------------------------------------------"
 
 
diff --git a/infra/base-images/base-libfuzzer/revisions b/infra/base-images/base-libfuzzer/revisions
new file mode 100755
index 000000000..db693aa75
--- /dev/null
+++ b/infra/base-images/base-libfuzzer/revisions
@@ -0,0 +1,45 @@
+#!/bin/bash -eux
+# Copyright 2016 Google Inc.
+#
+# 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.
+#
+################################################################################
+
+# Deterimine revisions of checked out source code
+
+echo "{}" > /out/revisions.json
+
+cat /out/revisions.json
+
+# $1 - json file, $2 - jq program
+function jq_inplace() {
+  F=$(tempfile) && cat $1 | jq "$2" > $F && mv $F $1
+}
+
+for DOT_GIT_DIR in $(find /src -name ".git" -type d); do
+  GIT_DIR=$(dirname $DOT_GIT_DIR)
+  cd $GIT_DIR
+  GIT_URL=$(git config --get remote.origin.url)
+  GIT_REV=$(git rev-parse HEAD)
+  jq_inplace /out/revisions.json ".\"$GIT_DIR\" = { type: \"git\", url: \"$GIT_URL\", rev: \"$GIT_REV\" }"
+done
+
+for DOT_SVN_DIR in $(find /src -name ".svn" -type d); do
+  SVN_DIR=$(dirname $DOT_SVN_DIR)
+  cd $SVN_DIR
+  SVN_URL=$(svn info | grep "^URL:" | sed  's/URL: //g')
+  SVN_REV=$(svn info -r HEAD | grep "^Revision:" | sed  's/Revision: //g')
+  jq_inplace /out/revisions.json ".\"$SVN_DIR\" = { type: \"svn\", url: \"$SVN_URL\", rev: \"$SVN_REV\" }"
+done
+
+cat /out/revisions.json