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nixos/gnome3: override schemas using env variable

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For some reason, the GNOME 3.26 update broke the overrides. It turns
out the overrides now need to come before the overridden schemas in the
XDG_DATA_DIRS variable. This is not possible in general due to applications
prefixing the variable (e.g. in wrapGAppsHook).

To fix this, a new environment variable NIX_GSETTINGS_OVERRIDES_DIR
was introduced. It has greater priority than XDG_DATA_DIRS but lower
than GSETTINGS_SCHEMA_DIR. A separate variable was chosen in order not
to block the built-in one for users.
This commit is contained in:
Jan Tojnar 2017-11-15 03:38:20 +01:00
parent 4920d4fff2
commit 1566de20c7
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GPG key ID: 7FAB2A15F7A607A4
1 changed files with 1 additions and 1 deletions
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2
nixos/modules/services/x11/desktop-managers/gnome3.nix
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@ -153,7 +153,7 @@ in {
export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${mimeAppsList}/share
# Override gsettings-desktop-schema
export XDG_DATA_DIRS=${nixos-gsettings-desktop-schemas}/share/gsettings-schemas/nixos-gsettings-overrides''${XDG_DATA_DIRS:+:}$XDG_DATA_DIRS
export NIX_GSETTINGS_OVERRIDES_DIR=${nixos-gsettings-desktop-schemas}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas
# Let nautilus find extensions
export NAUTILUS_EXTENSION_DIR=${config.system.path}/lib/nautilus/extensions-3.0/