meson & nix: install wlroots headers (#2287)

meson.build

@@ -96,5 +96,5 @@ import('pkgconfig').generate(
   url: 'https://github.com/hyprwm/Hyprland',
   description: 'Hyprland header files',
   install_dir: pkg_install_dir,
-  subdirs: ['', 'hyprland/protocols'],
+  subdirs: ['', 'hyprland/protocols', 'hyprland/wlroots'],
 )

nix/default.nix

@@ -113,6 +113,10 @@ in
         }'
       '';
 
+      postInstall = ''
+        ln -s ${wlroots}/include/wlr $dev/include/hyprland/wlroots
+      '';
+
       passthru.providedSessions = ["hyprland"];
 
       meta = with lib; {

nix/update-inputs.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env -S nix shell nixpkgs#gawk nixpkgs#git nixpkgs#moreutils nixpkgs#jq nixpkgs#ripgrep -c bash
+#!/usr/bin/env -S nix shell nixpkgs#gawk nixpkgs#git nixpkgs#gnused nixpkgs#moreutils nixpkgs#jq nixpkgs#ripgrep -c bash
 
 set -ex
 
@@ -16,6 +16,9 @@ if [ "$SUB_REV" != "$CRT_REV" ]; then
 
   # remove "dirty" mark from lockfile
   jq <flake.lock 'del(.nodes.wlroots.original.rev)' | sponge flake.lock
+
+  # fix revision in wlroots.wrap
+  sed -Ei "s/[a-z0-9]{40}/$CRT_REV/g" subprojects/wlroots.wrap
 else
   echo "wlroots is up to date!"
 fi

subprojects/packagefiles/wlroots-meson-build.patch

@@ -0,0 +1,45 @@
+diff --git a/include/meson.build b/include/meson.build
+index e669800..687786b 100644
+--- a/include/meson.build
++++ b/include/meson.build
+@@ -1,4 +1,5 @@
+-subdir('wlr')
++run_command('ln', '-s', join_paths(meson.project_source_root(), 'include', 'wlr'), join_paths(meson.project_source_root(), 'include', 'wlroots'), check: true)
++subdir('wlroots')
+ 
+ exclude_files = ['meson.build', 'config.h.in', 'version.h.in']
+ if not features.get('drm-backend')
+@@ -24,8 +25,8 @@ if not features.get('session')
+ 	exclude_files += 'backend/session.h'
+ endif
+ 
+-install_subdir('wlr',
+-	install_dir: get_option('includedir'),
++install_subdir('wlroots',
++	install_dir: join_paths(get_option('includedir'), 'hyprland'),
+ 	exclude_files: exclude_files,
+ )
+ 
+diff --git a/include/wlr/meson.build b/include/wlr/meson.build
+index f7ca413..0a86d54 100644
+--- a/include/wlr/meson.build
++++ b/include/wlr/meson.build
+@@ -22,4 +22,4 @@ ver_h = configure_file(
+ 	configuration: version_data,
+ )
+ 
+-install_headers(conf_h, ver_h, subdir: 'wlr')
++install_headers(conf_h, ver_h, subdir: join_paths('hyprland', 'wlroots'))
+diff --git a/meson.build b/meson.build
+index 29b103a..0b6e5a4 100644
+--- a/meson.build
++++ b/meson.build
+@@ -15,7 +15,7 @@ project(
+ # necessary for bugfix releases. Increasing soversion is required because
+ # wlroots never guarantees ABI stability -- only API stability is guaranteed
+ # between minor releases.
+-soversion = 12
++soversion = 12032
+ 
+ little_endian = target_machine.endian() == 'little'
+ big_endian = target_machine.endian() == 'big'

subprojects/wlroots.wrap

@@ -0,0 +1,7 @@
+[wrap-git]
+directory = wlroots
+url = https://gitlab.freedesktop.org/wlroots/wlroots.git
+revision = 6830bfc17fd94709e2cdd4da0af989f102a26e59
+depth = 1
+
+diff_files = wlroots-meson-build.patch