[file-roller/wip/jtojnar/engrampa-backports: 18/21] command-7z: Fix EPUB feature support

[Jan Tojnar <jtojnar src gnome org>]

commit 379c7f4b7a3cb4dd8426fcbeec13329537e4175b
Author: rbuj <robert buj gmail com>
Date:   Mon Oct 5 15:58:40 2020 +0200

    command-7z: Fix EPUB feature support
    
    EPUB support was added in 
https://gitlab.gnome.org/GNOME/file-roller/commit/cfc9fa7c507d54f69164a4e1778a3b1fc3bda8de but write support 
was not declared.
    Taken from https://github.com/mate-desktop/engrampa/commit/84fb5cfe96263f79e50b68a5a6996e40c514cf74

 src/fr-command-7z.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/fr-command-7z.c b/src/fr-command-7z.c
index 1029d9a3..b9fdfbbf 100644
--- a/src/fr-command-7z.c
+++ b/src/fr-command-7z.c
@@ -704,7 +704,8 @@ fr_command_7z_get_capabilities (FrArchive  *archive,
                else
                        capabilities |= FR_ARCHIVE_CAN_READ;
 
-               if (_g_mime_type_matches (mime_type, "application/x-cbz")
+               if (_g_mime_type_matches (mime_type, "application/epub+zip")
+                   || _g_mime_type_matches (mime_type, "application/x-cbz")
                    || _g_mime_type_matches (mime_type, "application/x-ms-dos-executable")
                    || _g_mime_type_matches (mime_type, "application/zip"))
                {