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Allison Karlitskaya authored
If the $HOME environment variable is set, prefer that to the entry in /etc/passwd. This brings us in line with almost every other utility and library on UNIX-like systems while avoiding some of the more complicated possibilities that have been suggested. This incompatible change has been petitioned for quite some time by many, and in particular from the Debian world, which carries a patch that adds a new G_HOME environment variable with the same meaning as this patch now assigns to HOME. The primary motivation for the change was to increase the testability of GLib-based programs from 'make check' types of frameworks: it is now possible to set HOME to a temp directory to avoid the testsuite modifying the user's real home directory. The change also brings us increased compliance with the XDG Base Directory Specification. The specification specifically states that the default values should be computed based on the HOME environment variable, whereas we were basing them on the value from /etc/passwd. The change was agreed to by all in attendence at the November 29 Gtk+ developer meeting. https://bugzilla.gnome.org/show_bug.cgi?id=142568
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