Fixed OSError "No such file or directory: None" and make IOError consistent.
The None error occurs when the current working directory is no longer
available, e.g. because it was removed in another shell.
adding foo
adding bar
adding baz/bletch
test-archive-TIP/.hg_archival.txt
test-archive-TIP/bar
test-archive-TIP/baz/bletch
test-archive-TIP/foo
test-archive-TIP/.hg_archival.txt
test-archive-TIP/bar
test-archive-TIP/baz/bletch
test-archive-TIP/foo
Archive: archive.zip
testing: test-archive-TIP/.hg_archival.txt OK
testing: test-archive-TIP/bar OK
testing: test-archive-TIP/baz/bletch OK
testing: test-archive-TIP/foo OK
No errors detected in compressed data of archive.zip.
test/.hg_archival.txt
test/bar
test/baz/bletch
test/foo
test/.hg_archival.txt
test/bar
test/foo
test-TIP/.hg_archival.txt
test-TIP/bar
test-TIP/baz/bletch
test-TIP/foo
abort: archive prefix contains illegal components
Archive: test.zip
testing: test/.hg_archival.txt OK
testing: test/bar OK
testing: test/baz/bletch OK
testing: test/foo OK
No errors detected in compressed data of test.zip.
test-TIP/.hg_archival.txt
test-TIP/bar
test-TIP/baz/bletch
test-TIP/foo