From 518606f95a1ff81b12b905b46dc4640fe3fa22aa Mon Sep 17 00:00:00 2001
From: Jan Kleinert <jan.kleinert@dlr.de>
Date: Tue, 11 May 2021 08:57:41 +0200
Subject: [PATCH] add working_directory option

---
 .github/workflows/test.yml | 10 ++++++++++
 README.md                  |  3 +++
 action.yml                 |  3 +++
 entrypoint.sh              | 19 +++++++++++++++++--
 4 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fac66e2..96dfa74 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,6 +20,16 @@ jobs:
       uses: ./
       with:
         src: tests/src
+  test-with-working-directory:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repo
+      uses: actions/checkout@v2
+    - name: Run unit tests
+      uses: ./
+      with:
+        working_directory: tests
+        src: src
   test-with-ext-arg:
     runs-on: ubuntu-latest
     steps:
diff --git a/README.md b/README.md
index aecb9d2..e8890e6 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,8 @@ To use your test data along with Octave packages, you can see [this example conf
 
 ## Arguments
 
+All file and directory paths are interpreted as relative to the working directory, which defaults to the Github Workspace. Optionally, the working-directory can be changed with the argument `working_directory`, see below.
+
 | Input | Description | Usage |
 | - | - | - |
 | `tests` | files or directories containing the MOxUnit test cases | *Optional*, defaults to the root directory of the repo. All subdirectories are added recursively. |
@@ -95,3 +97,4 @@ To use your test data along with Octave packages, you can see [this example conf
 | `cover_html_dir` | store coverage HTML output in directory | *Optional* |
 | `cover_junit_xml_file` | store test results in junit XML file | *Optional* |
 | `cover_json_file` | store coverage report in json file for  processing by coveralls.io | *Optional* |
+| `working_directory` | relative path to a working directory under the github workspace, defaults to `.`. | *Optional* |
\ No newline at end of file
diff --git a/action.yml b/action.yml
index 131036d..967f9f7 100644
--- a/action.yml
+++ b/action.yml
@@ -26,6 +26,8 @@ inputs:
     description: 'list of Octave packages to load (image, io, optim, parallel, statistics, struct)'   
   ext:
     description: 'other directories e.g. external dependencies'
+  working_directory:
+    description: 'relative path to an optional working directory under the github workspace'
     
 runs:
   using: 'docker'
@@ -43,6 +45,7 @@ runs:
     - ${{ inputs.data }}
     - ${{ inputs.pkg }}
     - ${{ inputs.ext }}
+    - ${{ inputs.working_directory }}
 
 branding:
   icon: check-circle
diff --git a/entrypoint.sh b/entrypoint.sh
index 0ece071..c2e1f50 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -13,6 +13,21 @@ COVER_JSON_FILE=$9
 DATA=$10
 PKG=$11
 EXT=$12
+WDIR=$13
+
+####################
+# Switch directory #
+####################
+
+
+if [ -z $WDIR ] ; then
+  WDIR="."
+fi
+cd $WDIR
+
+###########################
+# Prepare Octave commands #
+###########################
 
 # Create an Octave expression to set up the environment
 SETUP=""
@@ -70,9 +85,9 @@ else
   SETUP="$SETUP $PKG_LIST pkg list;"
 fi
 
-###########################
+##################
 # Run unit tests #
-###########################
+##################
 
 # prepare test case argument
 if [ -z $TESTS ] ; then