hook: give exthooks tags for blocking time
The ui.system autogenerated tag isn't really useful - as they're named, let's
use the name the user gave us.
--- a/mercurial/hook.py Mon Mar 06 03:19:40 2017 -0800
+++ b/mercurial/hook.py Mon Mar 06 03:09:15 2017 -0800
@@ -142,7 +142,7 @@
cwd = repo.root
else:
cwd = pycompat.getcwd()
- r = ui.system(cmd, environ=env, cwd=cwd)
+ r = ui.system(cmd, environ=env, cwd=cwd, blockedtag='exthook-%s' % (name,))
duration = util.timer() - starttime
ui.log('exthook', 'exthook-%s: %s finished in %0.2f seconds\n',