load extensions only after the ui object has been completely initialized
This fixes a traceback printed when hg tries to print another traceback
after an extension fails to be loaded. Add a test for that.
checking changesets
checking manifests
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checking files
1 files, 1 changesets, 1 total revisions
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
verify failed
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
1 files, 1 changesets, 1 total revisions
commit failed