Storage debug and scratch files in ~/.cache/virt-manager (bz 693028)

man/virt-clone.pod

@@ -144,8 +144,8 @@ cloning the original guest.
 =item -d, --debug
 
 Print debugging information to the terminal when running the install process.
-The debugging information is also stored in C<$HOME/.virtinst/virt-clone.log>
-even if this parameter is omitted.
+The debugging information is also stored in
+C<~/.cache/virt-manager/virt-clone.log> even if this parameter is omitted.
 
 =back
 

man/virt-install.pod

@@ -1346,8 +1346,8 @@ Only print fatal error messages.
 =item  -d, --debug
 
 Print debugging information to the terminal when running the install process.
-The debugging information is also stored in C<$HOME/.virtinst/virt-install.log>
-even if this parameter is omitted.
+The debugging information is also stored in
+C<~/.cache/virt-manager/virt-install.log> even if this parameter is omitted.
 
 =back
 

man/virt-manager.pod

@@ -37,7 +37,7 @@ Specify the hypervisor connection C<URI>
 =item --debug
 
 List debugging output to the console (normally this is only logged in
-~/.virt-manager/virt-manager.log). This function implies --no-fork.
+~/.cache/virt-manager/virt-manager.log). This function implies --no-fork.
 
 =item --no-fork
 

virtinst/cli.py

@@ -147,11 +147,7 @@ def setupLogging(appname, debug_stdout, do_quiet, cli_app=True):
     global quiet
     quiet = do_quiet
 
-    dirname = "~/.virtinst"
-    if appname == "virt-manager":
-        dirname = "~/.virt-manager"
-
-    vi_dir = os.path.expanduser(dirname)
+    vi_dir = util.get_cache_dir()
     if not os.access(vi_dir, os.W_OK):
         if os.path.exists(vi_dir):
             raise RuntimeError("No write access to directory %s" % vi_dir)

virtinst/util.py

@@ -479,7 +479,7 @@ def make_scratchdir(conn, hvtype):
     if (not scratch or
         not os.path.exists(scratch) or
         not os.access(scratch, os.W_OK)):
-        scratch = os.path.expanduser("~/.virtinst/boot")
+        scratch = os.path.join(get_cache_dir(), "boot")
         if not os.path.exists(scratch):
             os.makedirs(scratch, 0751)
 
@@ -500,3 +500,19 @@ def pretty_bytes(val):
         return "%2.2f GB" % (val / (1024.0 * 1024.0 * 1024.0))
     else:
         return "%2.2f MB" % (val / (1024.0 * 1024.0))
+
+
+def get_cache_dir():
+    ret = ""
+    try:
+        # We don't want to depend on glib for virt-install
+        from gi.repository import GLib  # pylint: disable=E0611
+        ret = GLib.get_user_cache_dir()
+    except ImportError:
+        pass
+
+    if not ret:
+        ret = os.environ.get("XDG_CACHE_HOME")
+    if not ret:
+        ret = os.path.expanduser("~/.cache")
+    return os.path.join(ret, "virt-manager")