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bug#9779: No usable browser found on Lubuntu
From: |
Juri Linkov |
Subject: |
bug#9779: No usable browser found on Lubuntu |
Date: |
Tue, 18 Oct 2011 12:04:10 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (x86_64-pc-linux-gnu) |
> Some relevant environment variables when logged in as "Lubuntu":
>
> DESKTOP_SESSION=Lubuntu
> XDG_CURRENT_DESKTOP=LXDE
>
> Some relevant environment variables when logged in as "LXDE":
>
> DESKTOP_SESSION=LXDE
> XDG_CURRENT_DESKTOP=LXDE
>
> The value of "DESKTOP_SESSION" looks like an arbitrary name of the
> current session (the same string as displayed on the Login menu).
>
> It seems that "XDG_CURRENT_DESKTOP" is the most reliable variable
> to determine whether the current desktop is LXDE.
I discovered that /usr/bin/xdg-open contains the following function:
# Checks for known desktop environments
# set variable DE to the desktop environments name, lowercase
detectDE()
{
if [ x"$KDE_FULL_SESSION" = x"true" ]; then DE=kde;
elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ]; then DE=gnome;
elif `dbus-send --print-reply --dest=org.freedesktop.DBus
/org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner
string:org.gnome.SessionManager > /dev/null 2>&1` ; then DE=gnome;
elif xprop -root _DT_SAVE_MODE 2> /dev/null | grep ' = \"xfce4\"$'
>/dev/null 2>&1; then DE=xfce;
elif [ x"$DESKTOP_SESSION" = x"LXDE" ]; then DE=lxde;
else DE=""
fi
}
But actually checking for "DESKTOP_SESSION" fails when logged in as "Lubuntu".
So we have two options: implement the same checks (using "DESKTOP_SESSION")
or check for "XDG_CURRENT_DESKTOP" that is more reliable than "DESKTOP_SESSION".
Another problem is that when all checks fail in /usr/bin/xdg-open,
it falls back to `open_generic'. But `browse-url-can-use-xdg-open'
doesn't take into account the case of using `open_generic' in /usr/bin/xdg-open.
- bug#9779: No usable browser found on Lubuntu, Juri Linkov, 2011/10/17
- bug#9779: No usable browser found on Lubuntu, Stefan Monnier, 2011/10/17
- bug#9779: No usable browser found on Lubuntu, Jan Djärv, 2011/10/18
- bug#9779: No usable browser found on Lubuntu, Juri Linkov, 2011/10/19
- bug#9779: No usable browser found on Lubuntu, Jan Djärv, 2011/10/19
- bug#9779: No usable browser found on Lubuntu, Juri Linkov, 2011/10/19
- bug#9779: No usable browser found on Lubuntu, Stefan Monnier, 2011/10/18
bug#9779: No usable browser found on Lubuntu, Jan Djärv, 2011/10/18