Duckstation/src/scmversion/gen_scmversion.sh
2023-10-07 13:41:47 +10:00

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#!/bin/sh
VERSION_FILE="scmversion.cpp"
CURDIR=$(pwd)
if [ "$(uname -s)" = "Darwin" ]; then
cd "$(dirname $(python3 -c 'import os,sys;print(os.path.realpath(sys.argv[1]))' "$0"))"
else
cd $(dirname $(readlink -f $0))
fi
HASH=$(git rev-parse HEAD)
BRANCH=$(git rev-parse --abbrev-ref HEAD | tr -d '\r\n')
TAG=$(git describe --dirty | tr -d '\r\n')
DATE=$(git log -1 --date=iso8601-strict --format=%cd)
cd $CURDIR
SIGNATURE_LINE="// ${HASH} ${BRANCH} ${TAG} ${DATE}"
if [ -f $VERSION_FILE ]; then
EXISTING_LINE=$(head -n1 $VERSION_FILE | tr -d '\n')
if [ "$EXISTING_LINE" = "$SIGNATURE_LINE" ]; then
echo "Signature matches, skipping writing ${VERSION_FILE}"
exit 0
fi
fi
echo "Writing ${VERSION_FILE}..."
cat > $VERSION_FILE << EOF
${SIGNATURE_LINE}
const char* g_scm_hash_str = "${HASH}";
const char* g_scm_branch_str = "${BRANCH}";
const char* g_scm_tag_str = "${TAG}";
const char* g_scm_date_str = "${DATE}";
EOF