fix: do not abort when no version is available (#298)

* fix: do not abort when no version is available * chore: add test to prove correct behaviour Co-authored-by: Michael Kriese <michael.kriese@visualon.de>
containerbase · Feb 12, 2022 · 2760ecc · 2760ecc
1 parent 515f3b2
commit 2760ecc
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diff --git a/src/usr/local/buildpack/utils/version.sh b/src/usr/local/buildpack/utils/version.sh
@@ -26,7 +26,7 @@ function get_tool_version () {
 
   version_path=$(get_version_path)
 
-  cat "${version_path}/${tool}" 2>&-
+  cat "${version_path}/${tool}" 2>&- || true
 }
 
 # Gets the version env var for the given tool

diff --git a/test/bash/version.bats b/test/bash/version.bats
@@ -29,6 +29,10 @@ teardown() {
   run setup_directories
   assert_success
 
+  run get_tool_version foo
+  assert_success
+  assert_output ""
+
   run set_tool_version
   assert_failure