amend: support "history-editing-backup" config option
Now, amend is in the list of those history editing commands
which support `history-editing-backup` config option.
If you don't want to store any backup then just use this config.
[ui]
hisotry-editing-backup = False
Current status of list of history editing commands which support
this config:
1. histedit
2. rebase
3. amend
Differential Revision: https://phab.mercurial-scm.org/D3968
#require test-repo
$ cd $TESTDIR/../contrib/fuzz
#if clang-libfuzzer
$ make -s clean all
#endif
#if no-clang-libfuzzer clang-6.0
$ make -s clean all CC=clang-6.0 CXX=clang++-6.0
#endif
#if no-clang-libfuzzer no-clang-6.0
$ exit 80
#endif
Just run the fuzzers for five seconds each to verify it works at all.
$ ./bdiff -max_total_time 5
$ ./mpatch -max_total_time 5
$ ./xdiff -max_total_time 5