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@deevus
Forked from maxim/gh-dl-release
Last active June 2, 2024 20:22
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Download assets from private Github releases
#!/usr/bin/env bash
#
# gh-dl-release! It works!
#
# This script downloads an asset from latest or specific Github release of a
# private repo. Feel free to extract more of the variables into command line
# parameters.
#
# PREREQUISITES
#
# curl, wget, jq
#
# If your version/tag doesn't match, the script will exit with error.
usage() { echo "Usage: $0 -t <github token> -r <repo> -v <version> -f <file> -o <output path> -q" 1>&2; exit 1; }
while getopts "qt:v:r:f:o:" o; do
case "${o}" in
t)
TOKEN=${OPTARG}
;;
v)
VERSION=${OPTARG}
;;
r)
REPO=${OPTARG}
;;
f)
FILE=${OPTARG}
;;
o)
OUTPUT=${OPTARG}
;;
q)
QUIET=1
;;
*)
usage
;;
esac
done
shift $((OPTIND-1))
if [ -z "$OUTPUT" ]; then
OUTPUT=$FILE
fi
if [ -z "$TOKEN" ] || [ -z "$VERSION" ] || [ -z "$REPO" ] || [ -z "$FILE" ] || [ -z "$OUTPUT" ]; then
usage
fi
GITHUB="https://api.github.com";
alias errcho='>&2 echo'
gh_curl() {
curl -H "Authorization: token $TOKEN" \
-H "Accept: application/vnd.github.v3.raw" \
-s \
$@
}
version_exists() {
jq ". | map(select(.tag_name == \"$VERSION\")) | length"
}
maybe_echo() {
if [ -z "$QUIET" ]; then
echo "$@"
fi
}
echo_error() {
>&2 maybe_echo "ERROR: $@"
}
echo_info() {
maybe_echo "INFO: $@"
}
echo_success() {
maybe_echo SUCCESS: $@
}
if [ "$VERSION" = "latest" ]; then
# Github should return the latest release first.
parser=".[0].assets | map(select(.name == \"$FILE\"))[0].id"
else
parser=". | map(select(.tag_name == \"$VERSION\"))[0].assets | map(select(.name == \"$FILE\"))[0].id"
fi
RESPONSE=$(gh_curl $GITHUB/repos/$REPO/releases)
if [ "$(echo $RESPONSE | version_exists)" = "0" ]; then
echo_error "version '$VERSION' not found"
exit 1
else
echo_info "Found version '$VERSION'"
fi
ASSET_ID=$(echo $RESPONSE | jq "$parser")
if [ "$ASSET_ID" = "null" ]; then
echo_error "Could not find asset '$FILE'"
exit 1
else
echo_info "Found asset '$FILE'"
fi
wget -q --auth-no-challenge --header='Accept:application/octet-stream' \
https://$TOKEN:@api.github.com/repos/$REPO/releases/assets/$ASSET_ID \
-O $OUTPUT
echo_success "Asset '$OUTPUT' saved successfully"
@alexivkin
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why not use curl for the last line and avoid wget dependency?
curl -sL --header "Authorization: token $TOKEN" --header 'Accept: application/octet-stream' https://api.github....
seems to work fine

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