2 files changed, 58 insertions, 0 deletions
diff --git a/security/nss/automation/taskcluster/docker-clang-format/Dockerfile b/security/nss/automation/taskcluster/docker-clang-format/Dockerfile
new file mode 100644
index 000000000..c9f8b8b0e
--- /dev/null
+++ b/security/nss/automation/taskcluster/docker-clang-format/Dockerfile
@@ -0,0 +1,38 @@
+# Minimal image with clang-format 3.9.
+FROM ubuntu:18.04
+LABEL maintainer="Martin Thomson <martin.thomson@gmail.com>"
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    clang-format-3.9 \
+    locales \
+    mercurial \
+ && rm -rf /var/lib/apt/lists/* \
+ && apt-get autoremove -y && apt-get clean -y
+
+RUN update-alternatives --install /usr/bin/clang-format \
+    clang-format $(which clang-format-3.9) 10
+
+ENV SHELL /bin/bash
+ENV USER worker
+ENV LOGNAME $USER
+ENV HOME /home/$USER
+ENV LANG en_US.UTF-8
+ENV LC_ALL $LANG
+ENV HOST localhost
+ENV DOMSUF localdomain
+
+RUN locale-gen $LANG \
+ && DEBIAN_FRONTEND=noninteractive dpkg-reconfigure locales
+
+RUN useradd -d $HOME -s $SHELL -m $USER
+WORKDIR $HOME
+
+ADD bin $HOME/bin
+RUN chmod +x $HOME/bin/*
+
+USER $USER
+
+# Set a default command for debugging.
+CMD ["/bin/bash", "--login"]
diff --git a/security/nss/automation/taskcluster/docker-clang-format/bin/checkout.sh b/security/nss/automation/taskcluster/docker-clang-format/bin/checkout.sh
new file mode 100644
index 000000000..9167f6bda
--- /dev/null
+++ b/security/nss/automation/taskcluster/docker-clang-format/bin/checkout.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -v -e -x
+
+if [ $(id -u) = 0 ]; then
+    # Drop privileges by re-running this script.
+    exec su worker $0
+fi
+
+# Default values for testing.
+REVISION=${NSS_HEAD_REVISION:-default}
+REPOSITORY=${NSS_HEAD_REPOSITORY:-https://hg.mozilla.org/projects/nss}
+
+# Clone NSS.
+for i in 0 2 5; do
+    sleep $i
+    hg clone -r $REVISION $REPOSITORY nss && exit 0
+    rm -rf nss
+done
+exit 1