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@naveensrinivasan
Forked from maxim/gh-dl-release
Created May 1, 2017 15:36
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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
#
# 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 2.1.1 my_app.tar.gz
#
# to download latest version:
#
# gh-dl-release latest latest.tar.gz
#
# If your version/tag doesn't match, the script will exit with error.
TOKEN="<github_access_token>"
REPO="<user_or_org>/<repo_name>"
FILE="<name_of_asset_file>" # the name of your release asset file, e.g. build.tar.gz
VERSION=$1 # tag name or the word "latest"
GITHUB="https://api.github.com"
alias errcho='>&2 echo'
function gh_curl() {
curl -H "Authorization: token $TOKEN" \
-H "Accept: application/vnd.github.v3.raw" \
$@
}
if [ "$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;
asset_id=`gh_curl -s $GITHUB/repos/$REPO/releases | jq "$parser"`
if [ "$asset_id" = "null" ]; then
errcho "ERROR: version not found $VERSION"
exit 1
fi;
wget -q --auth-no-challenge --header='Accept:application/octet-stream' \
https://$TOKEN:@api.github.com/repos/$REPO/releases/assets/$asset_id \
-O $2
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