[PATCH 06 of 11] hgk: preserve working directory

[Markus F.X.J. Oberhumer]

# HG changeset patch
# User Markus F.X.J. Oberhumer <markus at oberhumer.com>
# Date 1182775580 -7200
# Node ID 627752dddfa1b3d83363f9153b463034c3041ea5
# Parent  b8ae71e5e6bb46709df839d7e5f73d03902cea18
hgk: preserve working directory.

diff --git a/hgext/hgk.py b/hgext/hgk.py
--- a/hgext/hgk.py
+++ b/hgext/hgk.py
@@ -268,11 +268,15 @@ def revlist(ui, repo, *revs, **opts):
 
 def view(ui, repo, *etc, **opts):
     "start interactive history viewer"
-    os.chdir(repo.root)
-    optstr = ' '.join(['--%s %s' % (k, v) for k, v in opts.iteritems() if v])
-    cmd = ui.config("hgk", "path", "hgk") + " %s %s" % (optstr, " ".join(etc))
-    ui.debug("running %s\n" % cmd)
-    util.system(cmd)
+    cwd = os.getcwd()
+    try:
+        os.chdir(repo.root)
+        optstr = ' '.join(['--%s %s' % (k, v) for k, v in opts.iteritems() if v])
+        cmd = ui.config("hgk", "path", "hgk") + " %s %s" % (optstr, " ".join(etc))
+        ui.debug("running %s\n" % cmd)
+        util.system(cmd)
+    finally:
+        os.chdir(cwd)
 
 cmdtable = {
     "^view": (view,