alias: honor the [defaults] section, fix issue1642

hgext/alias.py

@@ -11,6 +11,7 b' mycmd = cmd --args'
 
 from mercurial.i18n import _
 from mercurial import commands, cmdutil, error
+import shlex
 
 cmdtable = {}
 
@@ -69,8 +70,11 b' def uisetup(ui):'
         if not target:
             ui.warn(_('*** [alias] %s: no definition\n') % cmd)
             continue
-        args = target.split(' ')
+        args = shlex.split(target)
         tcmd = args.pop(0)
         if args:
+            defaults = ui.config('defaults', cmd)
+            if defaults:
+                args = shlex.split(defaults) + args
             ui.setconfig('defaults', cmd, ' '.join(args))
         cmdtable[cmd] = lazycommand(ui, cmd, tcmd)

tests/test-alias

@@ -10,6 +10,13 b' cleanstatus = status -c'
 unknown = bargle
 ambiguous = s
 recursive = recursive
+mylog = log
+lognull = log -r null
+
+[defaults]
+mylog = -q
+lognull = -q
+log = -v
 EOF
 
 echo '% basic'
@@ -30,3 +37,7 b' hg ci -Amfoo'
 
 echo '% with opts'
 hg cleanst
+
+echo '% interaction with defaults'
+hg mylog
+hg lognull

tests/test-alias.out

@@ -8,3 +8,6 b''
 adding foo
 % with opts
 C foo
+% interaction with defaults
+0:e63c23eaa88a
+-1:000000000000