Add support for ${reference_build}.jenkins-reference

This is a Jenkins field, where the user can provide a build number to use as a reference.
If provided, jenkins.sh compares its results with the reference ones.

Change-Id: I2ff746449d82dc8b47f29e40bc003d3c5faa8a83

2 files changed, 23 insertions, 2 deletions

diff --git a/jenkins.sh b/jenkins.sh
index 093b7ad8..f4ae9399 100755
--- a/jenkins.sh
+++ b/jenkins.sh
@@ -375,6 +375,25 @@ if test x"${sums}" != x -o x"${runtests}" != x"true"; then
 	xz ${logs_dir}/* || status=1
 	scp ${logs_dir}/* ${fileserver}:${basedir}/${dir}/ || status=1
 	rm -rf ${logs_dir} || status=1
+
+	# If the user supplied a reference build number, use it
+	if test x"${reference_build}" != x ; then
+	    ref_dir="*/*/${arch}.${target}-${job}${reference_build}"
+	    scp ${abe_dir}/scripts/compare_tests \
+		${abe_dir}/scripts/compare_dg_tests.pl \
+		${abe_dir}/scripts/unstable-tests.txt ${fileserver}:${basedir}/${dir}/ || status=1
+	    ssh ${fileserver} bash ${basedir}/${dir}/compare_tests -target ${target} \
+		${basedir}/${ref_dir} ${basedir}/${dir} || status=1
+	    ssh ${fileserver} rm ${basedir}/${dir}/compare_tests \
+		${basedir}/${dir}/compare_dg_tests.pl \
+		${basedir}/${dir}/unstable-tests.txt
+
+	    echo "### Compared REFERENCE:"
+	    ssh ${fileserver} cat ${basedir}/${ref_dir}/manifest.txt
+	    echo "### with THIS REVISION:"
+	    ssh ${fileserver} cat ${basedir}/${dir}/manifest.txt
+	fi
+
 #	scp ${abe_dir}/tcwgweb.sh ${fileserver}:/tmp/tcwgweb$$.sh
 #	ssh ${fileserver} /tmp/tcwgweb$$.sh --email --base ${basedir}/${dir}
 #	ssh ${fileserver} rm -f /tmp/tcwgweb$$.sh
@@ -397,4 +416,7 @@ if test x"${sums}" != x -o x"${runtests}" != x"true"; then
 
 fi
 
+wwwpath="`echo ${basedir}/${dir} | sed -e 's:/work::' -e 's:/space::'`"
+echo "Full build logs: http://abe.tcwglab.linaro.org${wwwpath}/"
+
 exit $status
diff --git a/scripts/compare_tests b/scripts/compare_tests
index 12c67c3a..a216798d 100755
--- a/scripts/compare_tests
+++ b/scripts/compare_tests
@@ -38,8 +38,7 @@ EOUSAGE
 
 export LC_ALL=C
 
-me="`which $0`"
-my_path="`dirname ${me}`"
+my_path="$(dirname $0)"
 
 tool=gxx