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#!/bin/bash
# NOTE: THIS SCRIPT HAS COPIES IN THE FOLLOWING REPOS:
# - CI/DOCKERFILES.GIT AND
# - CI/JOB/CONFIGS.GIT
# REMEMBER TO SYNCHRONIZE ALL COPIES ON CHANGES.
set -eu
generate=false
usage ()
{
echo "Syntax: $0 [--generate true/false] <generated_file>" 1>&2
exit 1
}
while [ $# -gt 0 ]; do
case "$1" in
--generate) generate="$2"; shift ;;
--*) echo "ERROR: Wrong option: $1"; usage ;;
*) break ;;
esac
shift
done
if [ x"${1+set}" != x"set" ]; then
usage
fi
GENED_FILE="$1"
if $generate; then
MD5=$(md5sum "$GENED_FILE" | awk '{ print $1; }')
echo "# checksum: $MD5" >> "$GENED_FILE"
else
EXPECTED_MD5=$(tail -n1 "$GENED_FILE" | awk '{ print $3; }')
ACTUAL_MD5=$(head -n -1 "$GENED_FILE" | md5sum | awk '{ print $1; }')
if [ "$EXPECTED_MD5" != "$ACTUAL_MD5" ]; then
echo "ERROR: $GENED_FILE has been modified since it was auto-generated."
echo "Note: Current dir is $(pwd)"
exit 1
fi
fi
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