[gnome-autoar/meson-use-old-string-format] meson: Use .format for string formating

[Felipe Borges <felipeborges src gnome org>]

commit 36a146419c253d98b2a200c1a7da86eb718029e7
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Aug 11 14:32:53 2021 +0200

    meson: Use .format for string formating
    
    Format strings got added in meson 0.58. This allows the meson
    dependency to be downgraded to 0.56.
    
    See https://mesonbuild.com/Syntax.html#string-formatting

 gnome-autoar/meson.build | 12 ++++++------
 meson.build              |  6 +++---
 2 files changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/gnome-autoar/meson.build b/gnome-autoar/meson.build
index 30533a1..e7fd478 100644
--- a/gnome-autoar/meson.build
+++ b/gnome-autoar/meson.build
@@ -3,7 +3,7 @@
 
 src_inc = include_directories('.')
 
-libname = f'@gnome_autoar_name@-@gnome_autoar_api_version@'
+libname= '@0@-@1@'.format(gnome_autoar_name, gnome_autoar_api_version)
 
 headers = files(
   'autoar-compressor.h',
@@ -31,8 +31,8 @@ enum_types = 'autoar-enum-types'
 enum_sources = gnome.mkenums(
   enum_types,
   sources: headers,
-  h_template: f'@enum_types@.h.template',
-  c_template: f'@enum_types@.c.template',
+  h_template: '@0@.h.template'.format(enum_types),
+  c_template: '@0@.c.template'.format(enum_types),
   install_header: true,
   install_dir: gnome_autoar_includedir / libname / gnome_autoar_name,
 )
@@ -86,7 +86,7 @@ if enable_introspection
     namespace: api_ns,
     nsversion: gnome_autoar_api_ns_version,
     identifier_prefix: gnome_autoar_api_prefix,
-    export_packages: f'@api_ns@-@gnome_autoar_api_ns_version@',
+    export_packages: '@0@-@1@'.format(api_ns, gnome_autoar_api_ns_version),
     install: true,
   )
 
@@ -104,7 +104,7 @@ if not enable_gtk
   subdir_done()
 endif
 
-libname_gtk = f'@gnome_autoar_name@-gtk-@gnome_autoar_api_version@'
+libname_gtk = '@0@-gtk-@1@'.format(gnome_autoar_name, gnome_autoar_api_version)
 
 headers = files(
   'autoar-gtk-chooser.h',
@@ -161,7 +161,7 @@ if enable_introspection
     namespace: api_ns,
     nsversion: gnome_autoar_api_ns_version,
     identifier_prefix: 'AutoarGtk',
-    export_packages: f'@api_ns@-@gnome_autoar_api_ns_version@',
+    export_packages: '@0@-@g1@'.format(api_ns, gnome_autoar_api_ns_version),
     install: true,
   )
 
diff --git a/meson.build b/meson.build
index 00a92d0..ccb8bdd 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@ project(
   version: '0.4.0',
   license: 'LGPL2.1+',
   default_options: 'buildtype=debugoptimized',
-  meson_version: '>= 0.58.0',
+  meson_version: '>= 0.56.0',
 )
 
 gnome_autoar_name = meson.project_name()
@@ -96,7 +96,7 @@ gtk_dep = dependency(
   'gtk+-3.0',
   version: gtk_req_version,
   required: get_option('gtk'),
-  not_found_message: f'GTK+ support requested but gtk+-3.0 @gtk_req_version@ could not be found',
+  not_found_message: 'GTK+ support requested but gtk+-3.0 @0@ could not be found'.format(gtk_req_version),
 )
 enable_gtk = gtk_dep.found()
 
@@ -106,7 +106,7 @@ enable_vapi = get_option('vapi')
 assert(not enable_vapi or enable_introspection, 'GObject introspection support must be enabled to build VALA 
bindings')
 
 gio_schemasdir = gio_dep.get_variable(
-  'schemasdir',
+  internal: 'schemasdir',
   pkgconfig_define: ['datadir', gnome_autoar_datadir],
   default_value: gnome_autoar_datadir / 'glib-2.0/schemas',
 )