--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -780,12 +780,19 @@ def archive(ui, repo, dest, **opts):
'specific revision'))
dest = make_filename(repo, repo.changelog, dest, node)
- prefix = make_filename(repo, repo.changelog, opts['prefix'], node)
if os.path.realpath(dest) == repo.root:
raise util.Abort(_('repository root cannot be destination'))
dummy, matchfn, dummy = matchpats(repo, [], opts)
- archival.archive(repo, dest, node, opts.get('type') or 'files',
- not opts['no_decode'], matchfn, prefix)
+ kind = opts.get('type') or 'files'
+ prefix = opts['prefix']
+ if dest == '-':
+ if kind == 'files':
+ raise util.Abort(_('cannot archive plain files to stdout'))
+ dest = sys.stdout
+ if not prefix: prefix = os.path.basename(repo.root) + '-%h'
+ prefix = make_filename(repo, repo.changelog, prefix, node)
+ archival.archive(repo, dest, node, kind, not opts['no_decode'],
+ matchfn, prefix)
def backout(ui, repo, rev, **opts):
'''reverse effect of earlier changeset