grep: convert an exception to bytes for a warning message
Caught by pytype:
File "/mnt/c/Users/Matt/hg/mercurial/commands.py", line 3457, in grep: Function _bytestr.__init__ was called with the wrong arguments [wrong-arg-types]
Expected: (self, ints: Iterable[int])
Actually passed: (self, ints: re.error)
The following methods aren't implemented on re.error:
__iter__
Differential Revision: https://phab.mercurial-scm.org/D10173
#require symlink
https://bz.mercurial-scm.org/1438
$ hg init
$ ln -s foo link
$ hg add link
$ hg ci -mbad link
$ hg rm link
$ hg ci -mok
$ hg diff -g -r 0:1 > bad.patch
$ hg up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg import --no-commit bad.patch
applying bad.patch
$ hg status
R link
? bad.patch