80 lines
2.4 KiB
Plaintext
80 lines
2.4 KiB
Plaintext
|
#!/bin/bash
|
||
|
#
|
||
|
# Usage: git-credential-ghtoken <operation>
|
||
|
#
|
||
|
# Allows `git` to authenticate with GitHub using `GH_USER` and `GH_TOKEN`
|
||
|
# environment variables.
|
||
|
#
|
||
|
# To install this:
|
||
|
#
|
||
|
# git config --global credential.https://github.com.helper \
|
||
|
# "$(pwd)/scripts/git-credential-ghtoken"
|
||
|
#
|
||
|
# Or copy it into your path and run:
|
||
|
#
|
||
|
# git config --global credential.https://github.com.helper ghtoken
|
||
|
#
|
||
|
#
|
||
|
# Copyright (c) 2018 Faraday, Inc.
|
||
|
#
|
||
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
# of this software and associated documentation files (the "Software"), to deal
|
||
|
# in the Software without restriction, including without limitation the rights
|
||
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
# copies of the Software, and to permit persons to whom the Software is
|
||
|
# furnished to do so, subject to the following conditions:
|
||
|
#
|
||
|
# The above copyright notice and this permission notice shall be included in all
|
||
|
# copies or substantial portions of the Software.
|
||
|
#
|
||
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
# SOFTWARE.
|
||
|
|
||
|
# Standard paranoia.
|
||
|
set -euo pipefail
|
||
|
|
||
|
# Parse our command-line arguments.
|
||
|
operation="$1"
|
||
|
|
||
|
# Ignore all operations besides `get`.
|
||
|
if [ "$operation" != get ]; then
|
||
|
exit 0
|
||
|
fi
|
||
|
|
||
|
# Quit now if we don't have the necessary environment variables.
|
||
|
if [ ! -v GH_USER ] || [ ! -v GH_TOKEN ]; then
|
||
|
exit 0
|
||
|
fi
|
||
|
|
||
|
# Parse the input we receive from `git`.
|
||
|
while read line; do
|
||
|
var="$(echo "$line" | sed 's/=.*$//')"
|
||
|
val="$(echo "$line" | sed 's/^.*=//')"
|
||
|
case "$var" in
|
||
|
# Only send credentials over HTTPS.
|
||
|
protocol)
|
||
|
if [ "$val" != https ]; then
|
||
|
exit 0
|
||
|
fi
|
||
|
;;
|
||
|
# Only send credentials to GitHub (just extra paranoia; change as
|
||
|
# needed).
|
||
|
host)
|
||
|
if [ "$val" != github.com ]; then
|
||
|
exit 0
|
||
|
fi
|
||
|
;;
|
||
|
esac
|
||
|
done
|
||
|
|
||
|
# Output our credentials.
|
||
|
cat <<EOD
|
||
|
username=$GH_USER
|
||
|
password=$GH_TOKEN
|
||
|
EOD
|