tests: replace `tac` reimplementation by `sort -r`
`sort -r` is better code "formatter" than `tac` since it's
stable. It's also portable so we don't need to reimplement it in
Python.
Differential Revision: https://phab.mercurial-scm.org/D5239
$ . "$TESTDIR/histedit-helpers.sh"
Enable extension used by this test
$ cat >>$HGRCPATH <<EOF
> [extensions]
> histedit=
> EOF
==========================================
Test history-editing-backup config option|
==========================================
Repo setup:
$ hg init foo
$ cd foo
$ echo first>file
$ hg ci -qAm one
$ echo second>>file
$ hg ci -m two
$ echo third>>file
$ hg ci -m three
$ echo forth>>file
$ hg ci -m four
$ hg log -G --style compact
@ 3[tip] 7d5187087c79 1970-01-01 00:00 +0000 test
| four
|
o 2 80d23dfa866d 1970-01-01 00:00 +0000 test
| three
|
o 1 6153eb23e623 1970-01-01 00:00 +0000 test
| two
|
o 0 36b4bdd91f5b 1970-01-01 00:00 +0000 test
one
Test when `history-editing-backup` config option is enabled:
$ hg histedit -r '36b4bdd91f5b' --commands - << EOF
> pick 36b4bdd91f5b 0 one
> pick 6153eb23e623 1 two
> roll 80d23dfa866d 2 three
> edit 7d5187087c79 3 four
> EOF
merging file
Editing (7d5187087c79), you may commit or record as needed now.
(hg histedit --continue to resume)
[1]
$ hg histedit --abort
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/foo/.hg/strip-backup/1d8f701c7b35-cf7be322-backup.hg
saved backup bundle to $TESTTMP/foo/.hg/strip-backup/5c0056670bce-b54b65d0-backup.hg
Test when `history-editing-backup` config option is not enabled
Enable config option:
$ cat >>$HGRCPATH <<EOF
> [ui]
> history-editing-backup=False
> EOF
$ hg histedit -r '36b4bdd91f5b' --commands - << EOF
> pick 36b4bdd91f5b 0 one
> pick 6153eb23e623 1 two
> roll 80d23dfa866d 2 three
> edit 7d5187087c79 3 four
> EOF
merging file
Editing (7d5187087c79), you may commit or record as needed now.
(hg histedit --continue to resume)
[1]
$ hg histedit --abort
1 files updated, 0 files merged, 0 files removed, 0 files unresolved