Add application/zstd IANA type

https://bugs.freedesktop.org/show_bug.cgi?id=107282

Upstream page: https://facebook.github.io/zstd/

Magic number documented at:
https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#zstandard-frames

3 files changed, 10 insertions, 0 deletions

diff --git a/freedesktop.org.xml.in b/freedesktop.org.xml.in
index e45ea209..cd9e2975 100644
--- a/freedesktop.org.xml.in
+++ b/freedesktop.org.xml.in
@@ -3908,6 +3908,14 @@ command to generate the output files.
     <glob pattern="*.tar.xz"/>
     <glob pattern="*.txz"/>
   </mime-type>
+  <mime-type type="application/zstd">
+    <_comment>Zstandard archive</_comment>
+    <generic-icon name="package-x-generic"/>
+    <magic priority="60">
+      <match type="little32" value="0xFD2FB528" offset="0"/>
+    </magic>
+    <glob pattern="*.zst"/>
+  </mime-type>
   <mime-type type="application/x-xzpdf">
     <_comment>PDF document (XZ-compressed)</_comment>
     <sub-class-of type="application/x-xz"/>
diff --git a/tests/list b/tests/list
index e512991a..dcdde531 100644
--- a/tests/list
+++ b/tests/list
@@ -414,6 +414,8 @@ archive.lrz application/x-lrzip
 test.lz4 application/x-lz4
 # Created using Ark 16.07.70 + libarchive 3.2.0
 test.tar.lz4 application/x-lz4-compressed-tar ox
+# Created by zstd v1.3.5
+test.zst application/zstd
 # Copied from http://download.microsoft.com/download/7/e/5/7e58b1ce-d9e6-40e1-9d75-140fe5dd3de6/fuji.themepack
 fuji.themepack application/x-windows-themepack ox
 # Extracted from http://mozilla.doslash.org/stuff/helloworld.zip
diff --git a/tests/test.zst b/tests/test.zst
new file mode 100644
index 00000000..49f0b05d
--- /dev/null
+++ b/tests/test.zst