Bug 41286: Update the deploy update scripts to optinally take an override hash

#!/bin/bash

set -e

echo "Deploying version $tbb_version"

echo "update_responses_commit: $update_responses_commit"

if test "\$#" -gt 1; then

  echo >&2 "Wrong number of arguments"

  exit 2

fi

commit=$update_responses_commit

test "\$#" -eq 1 && commit="\$1"

test "\$#" -eq 0 && echo "Deploying version $tbb_version"

echo "update_responses_commit: \$commit"

cd "$update_dir"

git fetch

changed_files="\$(git diff --name-only HEAD $update_responses_commit)"

changed_files="\$(git diff --name-only HEAD \$commit)"

if echo "\$changed_files" | grep -qv "$tbb_version_type"

then

  echo >&2 "Error: checking out new update_response_commit will changes"

  echo >&2 "See tor-browser-build#41168 for more details."

  exit 1

fi

git checkout "$update_responses_commit"

git checkout "\$commit"

static-update-component aus1.torproject.org

EOF