blob: 3335f6a490559ffc9321033528fce450be6459a1 (
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#!/bin/sh
set -e
find_root() {
local topd
if [ -z "${CLOUD_INIT_TOP_D}" ]; then
topd=$(cd "$(dirname "${0}")" && cd .. && pwd)
else
topd=$(cd "${CLOUD_INIT_TOP_D}" && pwd)
fi
[ $? -eq 0 -a -f "${topd}/setup.py" ] || return
ROOT_DIR="$topd"
}
fail() { echo "$0:" "$@" 1>&2; exit 1; }
if ! find_root; then
fail "Unable to locate 'setup.py' file that should " \
"exist in the cloud-init root directory."
fi
REQUIRES="$ROOT_DIR/Requires"
if [ ! -e "$REQUIRES" ]; then
fail "Unable to find 'Requires' file located at '$REQUIRES'"
fi
# Filter out comments and empty lines
DEPS=$(sed -n -e 's,#.*,,' -e '/./p' "$REQUIRES") &&
[ -n "$DEPS" ] ||
fail "failed to read deps from '${REQUIRES}'"
echo "$DEPS" | sort -d -f
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