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gnu: glib: Graft patch to detect changes to the installed applications. 

Fixes <https://bugs.gnu.org/35594>.
Reported by sirgazil <sirgazil@zoho.com> and others.

* gnu/packages/patches/glib-appinfo-watch.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/glib.scm (glib)[replacement]: New field.
(glib-with-gio-patch): New variable.
(glib-with-documentation): Use 'package/inherit'.
This commit is contained in:
Ludovic Courtès 2020-11-12 16:35:24 +01:00
parent a30e7a72fc
commit ae10ec441a
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GPG Key ID: 090B11993D9AEBB5
3 changed files with 105 additions and 2 deletions
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1
gnu/local.mk
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@ -1050,6 +1050,7 @@ dist_patch_DATA = \
%D%/packages/patches/ghostscript-no-header-id.patch \
%D%/packages/patches/ghostscript-no-header-uuid.patch \
%D%/packages/patches/ghostscript-no-header-creationdate.patch \
%D%/packages/patches/glib-appinfo-watch.patch \
%D%/packages/patches/glib-tests-timer.patch \
%D%/packages/patches/glibc-CVE-2018-11236.patch \
%D%/packages/patches/glibc-CVE-2018-11237.patch \

14
gnu/packages/glib.scm
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@ -181,6 +181,7 @@ shared NFS home directories.")
(package
(name "glib")
(version "2.62.6")
(replacement glib-with-gio-patch)
(source (origin
(method url-fetch)
(uri (string-append "mirror://gnome/sources/"
@ -387,11 +388,20 @@ dynamic loading, and an object system.")
(home-page "https://developer.gnome.org/glib/")
(license license:lgpl2.1+)))
(define glib-with-gio-patch
;; GLib with a fix for <https://bugs.gnu.org/35594>.
;; TODO: Fold into 'glib' above in the next rebuild cycle.
(package
(inherit glib)
(source (origin
(inherit (package-source glib))
(patches (cons (search-patch "glib-appinfo-watch.patch")
(origin-patches (package-source glib))))))))
(define-public glib-with-documentation
;; glib's doc must be built in a separate package since it requires gtk-doc,
;; which in turn depends on glib.
(package
(inherit glib)
(package/inherit glib
(properties (alist-delete 'hidden? (package-properties glib)))
(outputs (cons "doc" (package-outputs glib))) ; 20 MiB of GTK-Doc reference
(native-inputs

92
gnu/packages/patches/glib-appinfo-watch.patch Normal file
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@ -0,0 +1,92 @@
This patch lets GLib's GDesktopAppInfo API watch and notice changes
to the Guix user and system profiles. That way, the list of available
applications shown by the desktop environment is immediately updated
when the user runs "guix install", "guix remove", or "guix system
reconfigure" (see <https://issues.guix.gnu.org/35594>).
It does so by monitoring /var/guix/profiles (for changes to the system
profile) and /var/guix/profiles/per-user/USER (for changes to the user
profile) and crawling their share/applications sub-directory when
changes happen.
diff --git a/gio/gdesktopappinfo.c b/gio/gdesktopappinfo.c
index f1e2fdd..095c110 100644
--- a/gio/gdesktopappinfo.c
+++ b/gio/gdesktopappinfo.c
@@ -148,6 +148,7 @@ typedef struct
gchar *alternatively_watching;
gboolean is_config;
gboolean is_setup;
+ gchar *guix_profile_watch_dir;
GFileMonitor *monitor;
GHashTable *app_names;
GHashTable *mime_tweaks;
@@ -180,6 +181,7 @@ desktop_file_dir_unref (DesktopFileDir *dir)
{
desktop_file_dir_reset (dir);
g_free (dir->path);
+ g_free (dir->guix_profile_watch_dir);
g_free (dir);
}
}
@@ -204,6 +206,13 @@ desktop_file_dir_get_alternative_dir (DesktopFileDir *dir)
{
gchar *parent;
+ /* If DIR is a profile, watch the specified directory--e.g.,
+ * /var/guix/profiles/per-user/$USER/ for the user profile. Do not watch
+ * ~/.guix-profile or /run/current-system/profile because GFileMonitor does
+ * not pass IN_DONT_FOLLOW and thus cannot notice any change. */
+ if (dir->guix_profile_watch_dir != NULL)
+ return g_strdup (dir->guix_profile_watch_dir);
+
/* If the directory itself exists then we need no alternative. */
if (g_access (dir->path, R_OK | X_OK) == 0)
return NULL;
@@ -249,11 +258,11 @@ desktop_file_dir_changed (GFileMonitor *monitor,
*
* If this is a notification for a parent directory (because the
* desktop directory didn't exist) then we shouldn't fire the signal
- * unless something actually changed.
+ * unless something actually changed or it's in /var/guix/profiles.
*/
g_mutex_lock (&desktop_file_dir_lock);
- if (dir->alternatively_watching)
+ if (dir->alternatively_watching && dir->guix_profile_watch_dir == NULL)
{
gchar *alternative_dir;
@@ -1555,6 +1564,32 @@ desktop_file_dirs_lock (void)
for (i = 0; dirs[i]; i++)
g_ptr_array_add (desktop_file_dirs, desktop_file_dir_new (dirs[i]));
+ {
+ /* Monitor the system and user profile under /var/guix/profiles and
+ * treat modifications to them as if they were modifications to their
+ * /share sub-directory. */
+ const gchar *user;
+ DesktopFileDir *system_profile_dir, *user_profile_dir;
+
+ system_profile_dir =
+ desktop_file_dir_new ("/var/guix/profiles/system/profile/share");
+ system_profile_dir->guix_profile_watch_dir = g_strdup ("/var/guix/profiles");
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (system_profile_dir));
+
+ user = g_get_user_name ();
+ if (user != NULL)
+ {
+ gchar *profile_dir, *user_data_dir;
+
+ profile_dir = g_build_filename ("/var/guix/profiles/per-user", user, NULL);
+ user_data_dir = g_build_filename (profile_dir, "guix-profile", "share", NULL);
+ user_profile_dir = desktop_file_dir_new (user_data_dir);
+ user_profile_dir->guix_profile_watch_dir = profile_dir;
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (user_profile_dir));
+ g_free (user_data_dir);
+ }
+ }
+
/* The list of directories will never change after this, unless
* g_get_user_config_dir() changes due to %G_TEST_OPTION_ISOLATE_DIRS. */
desktop_file_dirs_config_dir = user_config_dir;