python3Packages.mat2: only use bubblewrap on Linux

pkgs/development/python-modules/mat2/bubblewrap-path.patch

@@ -0,0 +1,35 @@
+diff --git a/libmat2/bubblewrap.py b/libmat2/bubblewrap.py
+index 970d5dd..5d3c0b7 100644
+--- a/libmat2/bubblewrap.py
++++ b/libmat2/bubblewrap.py
+@@ -22,11 +22,7 @@ CalledProcessError = subprocess.CalledProcessError
+ 
+ 
+ def _get_bwrap_path() -> str:
+-    which_path = shutil.which('bwrap')
+-    if which_path:
+-        return which_path
+-
+-    raise RuntimeError("Unable to find bwrap")  # pragma: no cover
++    return '@bwrap@'
+ 
+ 
+ def _get_bwrap_args(tempdir: str,
+@@ -37,16 +33,11 @@ def _get_bwrap_args(tempdir: str,
+ 
+     # XXX: use --ro-bind-try once all supported platforms
+     # have a bubblewrap recent enough to support it.
+-    ro_bind_dirs = ['/usr', '/lib', '/lib64', '/bin', '/sbin', '/etc/alternatives', cwd]
++    ro_bind_dirs = ['/nix/store', cwd]
+     for bind_dir in ro_bind_dirs:
+         if os.path.isdir(bind_dir):  # pragma: no cover
+             ro_bind_args.extend(['--ro-bind', bind_dir, bind_dir])
+ 
+-    ro_bind_files = ['/etc/ld.so.cache']
+-    for bind_file in ro_bind_files:
+-        if os.path.isfile(bind_file):  # pragma: no cover
+-            ro_bind_args.extend(['--ro-bind', bind_file, bind_file])
+-
+     args = ro_bind_args + \
+         ['--dev', '/dev',
+          '--proc', '/proc',

pkgs/development/python-modules/mat2/default.nix

@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , python
 , pythonOlder
@@ -37,7 +38,6 @@ buildPythonPackage rec {
     # hardcode paths to some binaries
     (substituteAll ({
       src = ./paths.patch;
-      bwrap = "${bubblewrap}/bin/bwrap";
       exiftool = "${exiftool}/bin/exiftool";
       ffmpeg = "${ffmpeg}/bin/ffmpeg";
     } // lib.optionalAttrs dolphinIntegration {
@@ -52,6 +52,11 @@ buildPythonPackage rec {
       src = ./fix_poppler.patch;
       poppler_path = "${poppler_gi}/lib/girepository-1.0";
     })
+  ] ++ lib.optionals (stdenv.hostPlatform.isLinux) [
+    (substituteAll {
+      src = ./bubblewrap-path.patch;
+      bwrap = "${bubblewrap}/bin/bwrap";
+    })
   ];
 
   postPatch = ''

pkgs/development/python-modules/mat2/paths.patch

@@ -12,41 +12,6 @@ index 41c8de4..11df258 100644
 +Icon=@mat2svg@
 +Exec=@kdialog@ --yesno  "$( @mat2@ -s %F )" --title "Clean Metadata?" && @mat2@ %U
 +Exec[de]=@kdialog@ --yesno  "$( @mat2@ -s %F )" --title "Metadaten löschen?" && @mat2@ %U
-diff --git a/libmat2/bubblewrap.py b/libmat2/bubblewrap.py
-index 970d5dd..5d3c0b7 100644
---- a/libmat2/bubblewrap.py
-+++ b/libmat2/bubblewrap.py
-@@ -22,11 +22,7 @@ CalledProcessError = subprocess.CalledProcessError
- 
- 
- def _get_bwrap_path() -> str:
--    which_path = shutil.which('bwrap')
--    if which_path:
--        return which_path
--
--    raise RuntimeError("Unable to find bwrap")  # pragma: no cover
-+    return '@bwrap@'
- 
- 
- def _get_bwrap_args(tempdir: str,
-@@ -37,16 +33,11 @@ def _get_bwrap_args(tempdir: str,
- 
-     # XXX: use --ro-bind-try once all supported platforms
-     # have a bubblewrap recent enough to support it.
--    ro_bind_dirs = ['/usr', '/lib', '/lib64', '/bin', '/sbin', '/etc/alternatives', cwd]
-+    ro_bind_dirs = ['/nix/store', cwd]
-     for bind_dir in ro_bind_dirs:
-         if os.path.isdir(bind_dir):  # pragma: no cover
-             ro_bind_args.extend(['--ro-bind', bind_dir, bind_dir])
- 
--    ro_bind_files = ['/etc/ld.so.cache']
--    for bind_file in ro_bind_files:
--        if os.path.isfile(bind_file):  # pragma: no cover
--            ro_bind_args.extend(['--ro-bind', bind_file, bind_file])
--
-     args = ro_bind_args + \
-         ['--dev', '/dev',
-          '--proc', '/proc',
 diff --git a/libmat2/exiftool.py b/libmat2/exiftool.py
 index eb65b2a..51a0fa1 100644
 --- a/libmat2/exiftool.py