test: use a more direct approach to test racy mutation
The previous test was relying on implementation details and harder to maintain.
The new version is closer to the initial intend : "What happens the file get overwritten from under the current process"
This change is motivated by further changes around the transaction and dirstate
logic that would break the fragile equilibrium that existed before this patch.
Making this change early make it easier to review on its own and remove noise
in future larger changes.
[package]
name = "hg-core"
version = "0.1.0"
authors = ["Georges Racinet <gracinet@anybox.fr>"]
description = "Mercurial pure Rust core library, with no assumption on Python bindings (FFI)"
edition = "2021"
[lib]
name = "hg"
[dependencies]
bitflags = "1.3.2"
bytes-cast = "0.3.0"
byteorder = "1.4.3"
derive_more = "0.99.17"
hashbrown = { version = "0.13.1", features = ["rayon"] }
home = "0.5.4"
im-rc = "15.1.0"
itertools = "0.10.5"
lazy_static = "1.4.0"
libc = "0.2.137"
logging_timer = "1.1.0"
ouroboros = "0.15.5"
rand = "0.8.5"
rand_pcg = "0.3.1"
rand_distr = "0.4.3"
rayon = "1.5.3"
regex = "1.7.0"
sha-1 = "0.10.0"
twox-hash = "1.6.3"
same-file = "1.0.6"
tempfile = "3.3.0"
thread_local = "1.1.4"
crossbeam-channel = "0.5.6"
log = "0.4.17"
memmap2 = { version = "0.5.8", features = ["stable_deref_trait"] }
zstd = "0.11.2"
format-bytes = "0.3.0"
# once_cell 1.15 uses edition 2021, while the heptapod CI
# uses an old version of Cargo that doesn't support it.
once_cell = "1.16.0"
# We don't use the `miniz-oxide` backend to not change rhg benchmarks and until
# we have a clearer view of which backend is the fastest.
[dependencies.flate2]
version = "1.0.24"
features = ["zlib"]
default-features = false
[dev-dependencies]
clap = { version = "4.0.24", features = ["derive"] }
pretty_assertions = "1.1.0"