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
--- a/tests/test-fix.t Wed Nov 07 12:15:36 2018 -0500
+++ b/tests/test-fix.t Wed Nov 07 10:29:38 2018 -0800
@@ -1,11 +1,6 @@
A script that implements uppercasing of specific lines in a file. This
approximates the behavior of code formatters well enough for our tests.
- $ TAC="$TESTTMP/tac.py"
- $ cat > $TAC <<EOF
- > import sys
- > print('\n'.join(sys.stdin.read().splitlines()[::-1]))
- > EOF
$ UPPERCASEPY="$TESTTMP/uppercase.py"
$ cat > $UPPERCASEPY <<EOF
> import sys
@@ -1122,7 +1117,7 @@
$ printf "first\nsecond\n" > bar.txt
$ hg add -q
$ hg fix -w --config fix.sometool:fileset=bar.txt \
- > --config fix.sometool:command="$PYTHON $TAC"
+ > --config fix.sometool:command="sort -r"
the fix.tool:fileset config name is deprecated; please rename it to fix.tool:pattern
$ cat foo.whole