From 402f89036523a77b735c3c6249a6af5842769054 Mon Sep 17 00:00:00 2001
From: Christian Richter <crichter@suse.com>
Date: Fri, 3 Sep 2021 15:04:32 +0200
Subject: [PATCH] Sanitize input

Signed-off-by: Christian Richter <crichter@suse.com>
---
 ghrunner/README.md     | 20 +++++++++++---------
 ghrunner/entrypoint.sh | 10 +++++++++-
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/ghrunner/README.md b/ghrunner/README.md
index e77580b..a26447a 100644
--- a/ghrunner/README.md
+++ b/ghrunner/README.md
@@ -8,13 +8,15 @@ Supported arches are:
   - amd64
 
 ## Environment variables
+```terminal
+| Variable   | Values                                 | default        |
+|------------+----------------------------------------+----------------|
+| `TOKEN`    | token for runner from github           | <unset>        |
+| `ARCH`     | arm, arm64, x64                        | x64            |
+| `OS`       | linux,osx                              | linux          |
+| `ORG`      | name of the github org                 | <unset>        |
+| `REPO`     | name of the github repo                | <unset>        |
+| `VERSION`  | version of the github runner to user   | 2.280.3        |
+| `CHECKSUM` | checksum for the github runner version | valid checksum |
+```
 
-| Variable                                        | Values                                 | default                                                          |
-|-------------------------------------------------+----------------------------------------+------------------------------------------------------------------|
-| `TOKEN`                                         | token for runner from github           | <unset>                                                          |
-| `ARCH`                                          | arm, arm64, x64                        | x64                                                              |
-| `OS`                                            | linux,osx                              | linux                                                            |
-| `ORG`                                           | name of the github org                 | <unset>                                                          |
-| `REPO`                                          | name of the github repo                | <unset>                                                          |
-| `VERSION`  version of the github runner to user | 2.280.3                                |                                                                  |
-| `CHECKSUM`                                      | checksum for the github runner version | 69dc323312e3c5547ba1e1cc46c127e2ca8ee7d7037e17ee6965ef6dac3c142b |
diff --git a/ghrunner/entrypoint.sh b/ghrunner/entrypoint.sh
index 581667b..52361e8 100755
--- a/ghrunner/entrypoint.sh
+++ b/ghrunner/entrypoint.sh
@@ -6,8 +6,16 @@ ORG=${ORG:-dragonchaser}
 REPO=${REPO:-dockerhub-autobuild}
 OS=${OS:-linux}
 
+if [ -z "${ORG}" ]; then
+    echo "missing ORG, bailing out!"
+fi
+
+if [ -z "${REPO}" ]; then
+    echo "missing REPO, bailing out!"
+fi
+
 if [ -z "${TOKEN}" ]; then
-    echo "MISSING TOKEN, BAILING OUT!"
+    echo "missing TOKEN, bailing out!"
     exit 1
 fi