WIP: add totally reproducible git cl upload hooks.

scripts/slave/recipes/z.sh

Index: scripts/slave/recipes/z.sh
diff --git a/scripts/slave/recipes/z.sh b/scripts/slave/recipes/z.sh
new file mode 100755
index 0000000000000000000000000000000000000000..7f4d550d247b7ee1fa12b69c7d0ecde362b47803
--- /dev/null
+++ b/scripts/slave/recipes/z.sh
@@ -0,0 +1,12 @@
+set -e
+
+PATCHSET=120001
+cd ../
+./recipes.py run --properties '{"mastername": "master.tryserver.infra", "slavename": "slaveXXX", "buildername": "Try Recipe Trusty 64", "buildnumber": "0", "issue": "1714923002", "rietveld": "https://codereview.chromium.org", "patchset": "'$PATCHSET'"}' infra/git_cl
+
+git cl try -m tryserver.infra \
+	-b "Try Recipe Trusty 64" \
+	-b "Try Recipe Mac" \
+	-b "Try Recipe Win 64" \
+	-p try_recipe=infra/git_cl \
+	-p try_props=$(echo '{"issue": "1714923002", "rietveld": "https://codereview.chromium.org", "patchset": "'$PATCHSET'"}' | python -c "import zlib, sys, base64; print base64.b64encode(zlib.compress(sys.stdin.read()))")