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#!/bin/bash
set -u
# if there is no directory for this $CI_COMMIT_REF_NAME/$CI_JOB_NAME
# create such directory and
# copy recursively all the files from the newest dir which has $CI_JOB_NAME, if it exists
# cache lives in /ci-cache/${CI_PROJECT_NAME}/${2}/${CI_COMMIT_REF_NAME}/${CI_JOB_NAME}
function prepopulate {
if [[ ! -d $1 ]]; then
mkdir -p "/ci-cache/$CI_PROJECT_NAME/$2/$CI_COMMIT_REF_NAME";
FRESH_CACHE=$(find "/ci-cache/$CI_PROJECT_NAME/$2" -mindepth 2 -maxdepth 2 \
-type d -name "$CI_JOB_NAME" -exec stat --printf="%Y\t%n\n" {} \; |sort -n -r |head -1 |cut -f2);
if [[ -d $FRESH_CACHE ]]; then
echo "____Using" "$FRESH_CACHE" "to prepopulate the cache____";
time cp -r "$FRESH_CACHE" "$1";
else
echo "_____No such $2 dir, proceeding from scratch_____";
fi
else
echo "____No need to prepopulate $2 cache____";
fi
}
prepopulate "$CARGO_TARGET_DIR" targets
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