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Download assets from private Github releases
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#!/bin/bash -e | |
# | |
# 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 | |
# | |
# USAGE | |
# | |
# Set all the variables inside the script, make sure you chmod +x it, then | |
# to download specific version to my_app.tar.gz: | |
# | |
# $ ./gh-dl-release.sh lauszus blhost 1.1.0 blhost-linux-armv7l | |
# | |
# to download latest version: | |
# | |
# $ ./gh-dl-release.sh lauszus blhost latest blhost-linux-armv7l | |
# | |
# To download all asserts for a release: | |
# | |
# $ ./gh-dl-release.sh lauszus blhost 1.1.0 | |
# $ ./gh-dl-release.sh lauszus blhost latest | |
# | |
# If your version/tag doesn't match, the script will exit with an error. | |
# | |
# Original version: https://gist.github.com/maxim/6e15aa45ba010ab030c4 | |
# Modified by Kristian Sloth Lauszus | |
TOKEN="$GITHUB_OAUTH_TOKEN" # https://github.com/settings/tokens | |
OWNER="$1" | |
REPO="$2" | |
VERSION="$3" # tag name or the word "latest" | |
FILE="$4" # the name of your release asset file, e.g. build.tar.gz - this is optional | |
function gh_curl() { | |
API_GITHUB="https://api.github.com" | |
curl ${TOKEN:+-H "Authorization: token $TOKEN"} \ | |
-H "Accept: application/vnd.github.v3.raw" \ | |
-s $API_GITHUB$@ | |
} | |
function gh_get_file() { | |
file="$1" | |
version="$2" | |
asset_id=`gh_curl /repos/$OWNER/$REPO/releases/tags/$version | jq ".assets | map(select(.name == \"$file\"))[0].id"` | |
if [ "$asset_id" = "null" ]; then | |
>&2 echo -e "\033[31mERROR: \"$file\" not found at \"$version\"\033[0m" | |
return 1 | |
fi | |
wget -q --show-progress --auth-no-challenge --header='Accept:application/octet-stream' \ | |
https://${TOKEN:+$TOKEN:@}api.github.com/repos/$OWNER/$REPO/releases/assets/$asset_id \ | |
-O $file | |
return $? | |
} | |
if [ -z "$TOKEN" ]; then | |
>&2 echo -e "\033[33mWARNING: \$TOKEN is empty\033[0m" | |
fi | |
if [ "$VERSION" = "latest" ]; then | |
VERSION=`gh_curl /repos/$OWNER/$REPO/releases/latest | jq --raw-output ".tag_name"` | |
echo "Latest version is \"$VERSION\"" | |
fi | |
mkdir -p $REPO-$VERSION | |
pushd $REPO-$VERSION > /dev/null | |
# Start by getting the checksums if they are available. | |
if ! gh_get_file SHA256SUMS $VERSION; then | |
>&2 echo -e "\033[33mWARNING: Checksums will NOT be computed\033[0m" | |
fi | |
if ! [ -z "$FILE" ]; then | |
if ! gh_get_file $FILE $VERSION; then | |
exit 1 | |
fi | |
# Verify the sha256 sum for this file only. | |
grep "$FILE" SHA256SUMS | sha256sum --check | |
else | |
release_id=`gh_curl /repos/$OWNER/$REPO/releases/tags/$VERSION | jq ".id"` | |
assets=`gh_curl /repos/$OWNER/$REPO/releases/$release_id/assets | jq --raw-output '.[].name'` | |
for asset in $assets; do | |
if ! [ "$asset" = "SHA256SUMS" ]; then | |
if ! gh_get_file $asset $VERSION; then | |
exit 1 | |
fi | |
fi | |
done | |
# Verify the sha256 sum for all files. | |
sha256sum --check SHA256SUMS | |
fi | |
popd > /dev/null |
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