From d9d5fc1666f2de03ba44d9a5ea9d2a26e545db76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Mon, 13 Dec 2021 19:59:06 +0100
Subject: Add mimetype for Devicetree source code

Make sure at least the first two characters are ASCII, to guard against
any binary files. The maximum offset is fairly large, as many files
start with a large license stanza.
---
 data/freedesktop.org.xml.in          | 22 ++++++++++++++++++++++
 tests/mime-detection/devicetree.dtsi |  3 +++
 tests/mime-detection/devicetree1.dts |  4 ++++
 tests/mime-detection/devicetree2.dts |  1 +
 tests/mime-detection/list            |  5 +++++
 5 files changed, 35 insertions(+)
 create mode 100644 tests/mime-detection/devicetree.dtsi
 create mode 100644 tests/mime-detection/devicetree1.dts
 create mode 100644 tests/mime-detection/devicetree2.dts

diff --git a/data/freedesktop.org.xml.in b/data/freedesktop.org.xml.in
index 2c09cdb0..68476bb3 100644
--- a/data/freedesktop.org.xml.in
+++ b/data/freedesktop.org.xml.in
@@ -7898,6 +7898,28 @@ command to generate the output files.
     <glob pattern="*.kt"/>
   </mime-type>
 
+  <mime-type type="text/x-devicetree-source">
+    <comment>Devicetree source code</comment>
+    <acronym>DTS</acronym>
+    <expanded-acronym>Device Tree Source</expanded-acronym>
+    <sub-class-of type="text/plain"/>
+    <glob pattern="*.dts"/>
+    <glob pattern="*.dtsi"/>
+    <magic>
+      <match type="string" mask="0x8080" value="\000\000" offset="0">
+        <match type="string" value="/dts-v1/" offset="0:4080"/>
+      </match>
+    </magic>
+    <magic priority="40">
+      <match type="string" mask="0x8080" value="\000\000" offset="0">
+        <match type="string" value="/ {" offset="0:4090"/>
+        <match type="string" value="include " offset="0:4080">
+          <match type="string" value=".dts" offset="10:4090"/>
+        </match>
+      </match>
+    </magic>
+  </mime-type>
+
   <mime-type type="image/avif">
     <comment>AVIF image</comment>
     <acronym>AVIF</acronym>
diff --git a/tests/mime-detection/devicetree.dtsi b/tests/mime-detection/devicetree.dtsi
new file mode 100644
index 00000000..68d518c6
--- /dev/null
+++ b/tests/mime-detection/devicetree.dtsi
@@ -0,0 +1,3 @@
+/ {
+    node { };
+};
diff --git a/tests/mime-detection/devicetree1.dts b/tests/mime-detection/devicetree1.dts
new file mode 100644
index 00000000..48772d1f
--- /dev/null
+++ b/tests/mime-detection/devicetree1.dts
@@ -0,0 +1,4 @@
+/* @ 2021 */
+/dts-v1/;
+/ {
+};
diff --git a/tests/mime-detection/devicetree2.dts b/tests/mime-detection/devicetree2.dts
new file mode 100644
index 00000000..805e6674
--- /dev/null
+++ b/tests/mime-detection/devicetree2.dts
@@ -0,0 +1 @@
+#include <foo/bar.dtsi>
diff --git a/tests/mime-detection/list b/tests/mime-detection/list
index ac907977..cb20f435 100644
--- a/tests/mime-detection/list
+++ b/tests/mime-detection/list
@@ -899,6 +899,11 @@ test.gd application/x-gdscript ox
 # Kotlin source code
 test.kt text/x-kotlin ox
 
+# Device Tree Source
+devicetree1.dts text/x-devicetree-source xoo
+devicetree2.dts text/x-devicetree-source xoo
+devicetree.dtsi text/x-devicetree-source
+
 # AV1 Image File Format (AVIF)
 # https://aomediacodec.github.io/av1-avif/
 test.avif image/avif
-- 
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