examples: refer to nightly rustfmt in Windows-compatible way
Thanks to Jun Wu for the tip. I found that the new form also gave
better error messages when the nightly rustfmt wasn't installed (it
told me which command to run instead of just saying "error: not a
file: <some path>").
Differential Revision: https://phab.mercurial-scm.org/D7911
--- a/contrib/examples/fix.hgrc Thu Dec 26 19:05:55 2019 +0100
+++ b/contrib/examples/fix.hgrc Thu Jan 16 08:41:38 2020 -0800
@@ -2,7 +2,7 @@
clang-format:command = clang-format --style file
clang-format:pattern = set:(**.c or **.cc or **.h) and not "include:contrib/clang-format-ignorelist"
-rustfmt:command = $(rustup which --toolchain nightly rustfmt)
+rustfmt:command = rustfmt +nightly
rustfmt:pattern = set:**.rs
black:command = black --config=black.toml -