[Gambas-bugtracker] Bug #3046: IDE crash when "Show modifications" clicked on an RO file

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http://gambaswiki.org/bugtracker/edit?object=BUG.3046&from=L21haW4-

bruce B reported a new bug.

Summary
-------

IDE crash when "Show modifications" clicked on an RO file

Type             : Bug
Priority         : Medium
Gambas version   : Master
Product          : Development Environment


Description
-----------

Refer Selection8.png attached:
1. The file is read only as it's a link to a file in /var/lib/tisland
2. It's the button in the editor toolbar, not the icon on the project tree

Refer Selection8.png attached for the outcome

(The Gambas version is more correctly "recent master" as I have held off updating since the 3rd May warning.)


System information
------------------

[System]
Gambas=3.20.3 16a6e08f1 (stable)
OperatingSystem=Linux
Distribution=Debian GNU/Linux 11 (bullseye)
Kernel=5.10.0-34-amd64
Architecture=x86_64
Cores=16
Memory=5852M
Language=en_AU.UTF-8
Platform=x11
Desktop=XFCE
DesktopResolution=96
DesktopScale=9
WidgetTheme=proxy
Font=Liberation Sans,12
DarkTheme=False
[Programs]
dpkg=Debian 'dpkg' package management program version 1.20.13 (amd64).
gcc=gcc (Debian 10.2.1-6) 10.2.1 20210110
git=git version 2.30.2
msgmerge=msgmerge (GNU gettext-tools) 0.21
rpmbuild=RPM version 4.16.1.2
trans=Translate Shell       0.9.6.12
[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.7.0
DBus=libdbus-1.so.3.19.17
GDK2=libgdk-x11-2.0.so.0.2400.33
GDK3=libgdk-3.so.0.2404.20
GStreamer=libgstreamer-1.0.so.0.1804.0
GTK+2=libgtk-x11-2.0.so.0.2400.33
GTK+3=libgtk-3.so.0.2404.20
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.102.0.0
QT5=libQt5Core.so.5.15.2
QT6=libQt6Core.so.6.4.2
RSvg=librsvg-2.so.2.47.0
SDL=libSDL2-2.0.so.0.2600.4
SQLite3=libsqlite3.so.0.8.6
[Environment]
DBUS_SESSION_BUS_ADDRESS=unix:path=/tmp/dbus-qghUC5TqX6,guid=283a791b27a87ea7688168cc681ef76f
DESKTOP_SESSION=xfce
DISPLAY=:0.0
EDITOR=geany
GB_GUI=gb.qt5
GDMSESSION=xfce
GDM_LANG=en_AU.UTF-8
GTK3_NOCSD_IGNORE=1
GTK_CSD=1
GTK_MODULES=canberra-gtk-module
HOME=<home>
LANG=en_AU.UTF-8
LANGUAGE=en_AU.UTF-8
LOGNAME=<user>
PAPERSIZE=a4
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
PWD=<home>
QT_ACCESSIBILITY=1
QT_LOGGING_RULES=*.debug=false
QT_PLATFORMTHEME=gtk2
QT_PLATFORM_PLUGIN=gtk2
QT_QPA_PLATFORMTHEME=gtk2
QT_SCALE_FACTOR=1
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/3783,unix/<hostname>:/tmp/.ICE-unix/3783,inet6/<hostname>:33115,inet/<hostname>:42461
SHELL=/bin/bash
SSH_AGENT_PID=3864
SSH_AUTH_SOCK=/tmp/ssh-6LwwVwcxMjQT/agent.3783
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg
XDG_CURRENT_DESKTOP=XFCE
XDG_DATA_DIRS=/usr/share/xfce4:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm/data/<user>
XDG_MENU_PREFIX=xfce-
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=xfce
XDG_SESSION_ID=2
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7


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