fix(modules/lf/ctpv): Improve ctpv config file generation

1 files changed, 51 insertions, 8 deletions

diff --git a/modules/by-name/lf/lf/ctpv/default.nix b/modules/by-name/lf/lf/ctpv/default.nix
index 9667bc48..29f4f8ba 100644
--- a/modules/by-name/lf/lf/ctpv/default.nix
+++ b/modules/by-name/lf/lf/ctpv/default.nix
@@ -19,7 +19,37 @@
     }
     + "/bin/${name}";
 
+  default_previews = [
+    "any"
+    "atool"
+    "audio"
+    "bat"
+    "cat"
+    "colordiff"
+    "delta"
+    "diff_so_fancy"
+    "elinks"
+    "font"
+    "glow"
+    "gpg"
+    "highlight"
+    "image"
+    "jq"
+    "libreoffice"
+    "ls"
+    "lynx"
+    "mdcat"
+    "pdf"
+    "source_highlight"
+    "svg"
+    "symlink"
+    "torrent"
+    "video"
+    "w3m"
+  ];
+
   mkPreview = name: {
+    escape ? true,
     mime_matches ? [],
     extension_matches ? [],
     priority ? 0,
@@ -34,17 +64,28 @@
       assert builtins.length split == 2; ''"${rhs}"/"${lhs}"'';
 
     extensions = lib.strings.concatStringsSep " " (builtins.map (val: ''."${val}"'') extension_matches);
-    mimes = lib.strings.concatStringsSep " " (builtins.map mkMimePath mime_matches);
+    mimes = lib.strings.concatStringsSep " " (
+      if escape
+      then
+        builtins.map mkMimePath mime_matches
+      else mime_matches
+    );
     function = functionCall {
       inherit name dependencies;
       replacementStrings = {HELPERS = ./helpers.sh;} // replacementStrings;
     };
-  in ''
-    preview ${name} ${extensions} ${mimes} {{
-      ${function}
-    }}
-    priority ${name} ${builtins.toString priority}
-  '';
+  in
+    lib.optionalString (builtins.elem name default_previews) "remove ${name}\n"
+    + ''
+      preview ${name} ${extensions} ${mimes} {{
+        ${function}
+
+        # Always exit with success, when the function didn't exit,
+        # to ensure that error messages come through
+        true
+      }}
+      priority ${name} ${builtins.toString priority}
+    '';
 
   mkRemove = name: ''
     remove ${name}
@@ -72,10 +113,12 @@ in
     "w3m" = null;
 
     any = {
+      escape = false;
+      mime_matches = ["*/*"];
       priority = -1;
       dependencies = [
         pkgs.exiftool
-        pkgs.vim # For xxd
+        pkgs.tinyxxd # For xxd
       ];
     };