Mercurial > hg > mercurial-crew-with-dirclash

changeset 5061:a49f2a4d5ff7

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archive: abort on empty repository. Fixes #624.
author Brendan Cully <brendan@kublai.com>
date Tue, 10 Jul 2007 10:06:24 -0700
parents 8d9bdcbb2b18
children 0f594cc36aed 3d35c8cb5eb4
files mercurial/commands.py tests/test-archive tests/test-archive.out
diffstat 3 files changed, 12 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -133,7 +133,10 @@ def archive(ui, repo, dest, **opts):
     The default is the basename of the archive, with suffixes removed.
     '''
 
-    node = repo.changectx(opts['rev']).node()
+    ctx = repo.changectx(opts['rev'])
+    if not ctx:
+        raise util.Abort(_('repository has no revisions'))
+    node = ctx.node()
     dest = cmdutil.make_filename(repo, dest, node)
     if os.path.realpath(dest) == repo.root:
         raise util.Abort(_('repository root cannot be destination'))
--- a/tests/test-archive
+++ b/tests/test-archive
@@ -67,3 +67,9 @@ hg archive -r 0 -t tar rev-%r.tar
 if [ -f rev-0.tar ]; then
     echo 'rev-0.tar created'
 fi
+
+echo '% empty repo'
+hg init ../empty
+cd ../empty
+hg archive ../test-empty
+exit 0
--- a/tests/test-archive.out
+++ b/tests/test-archive.out
@@ -39,3 +39,5 @@ test-TIP/bar
 test-TIP/baz/bletch
 test-TIP/foo
 rev-0.tar created
+% empty repo
+abort: repository has no revisions