From 99f77dfe0a5723c5d2a29f7abe7747d8e7337a56 Mon Sep 17 00:00:00 2001
From: David Soulayrol <david@soulayrol.name>
Date: Mon, 28 Aug 2023 21:49:09 +0200
Subject: [PATCH] Fixed #1 (Source file is transformed).

---
 lib/index.js                    |  5 ++++-
 test/fixtures/source/src/foo.ms |  1 +
 test/index.js                   | 21 +++++++++++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/source/src/foo.ms

diff --git a/lib/index.js b/lib/index.js
index 89bba81..30013e4 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -167,7 +167,10 @@ function plugin (options) {
       return new Promise((resolve, reject) => {
         let dir = path.dirname(file),
             destination = path.basename(file, path.extname(file)) + '.' + pluginOptions.device,
-            data = files[file],
+            data = {
+              contents: Buffer.from(files[file].contents),
+              mode: files[file].mode
+            }
             input = data.contents
 
         if (dir !== '.')
diff --git a/test/fixtures/source/src/foo.ms b/test/fixtures/source/src/foo.ms
new file mode 100644
index 0000000..1910281
--- /dev/null
+++ b/test/fixtures/source/src/foo.ms
@@ -0,0 +1 @@
+foo
\ No newline at end of file
diff --git a/test/index.js b/test/index.js
index 67b1b3d..491aabd 100644
--- a/test/index.js
+++ b/test/index.js
@@ -130,4 +130,25 @@ describe('metalsmith-groff', function () {
                          'Preprocessors are missing: ' + Object.values(preprocessors))
     })
   })
+
+  it('should keep the source file if requested to do so', function (done) {
+    const metalsmith = Metalsmith('test/fixtures/source'),
+          logger = debug('metalsmith-groff:test:source')
+
+    metalsmith
+      .use(groff({
+        exe: 'test/groff_mock',
+        source: true
+      }))
+      .use((files, metalsmith) => {
+        assert.equal(Object.keys(files).length, 2, 'Expected two files on output!')
+        assert.equal(files['foo.ms'].contents.toString('utf8'), 'foo',
+                     'Source file was modified!')
+      })
+      .process((err) => {
+        if (err)
+          throw err
+        done()
+      })
+  })
 })