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install: implement -C / --compare (#1811)

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* install: implement `-C` / `--compare`

GNU coreutils [1] checks the following: whether
- either file is nonexistent,
- there's a sticky bit or set[ug]id bit in play,
- either file isn't a regular file,
- the sizes of both files mismatch,
- the destination file's owner differs from intended, or
- the contents of both files mismatch.

[1] https://git.savannah.gnu.org/cgit/coreutils.git/tree/src/install.c?h=v8.32#n174

* Add test: non-regular files

* Forgot a #[test]

* Give up on non-regular file test

* `cargo fmt` install.rs
This commit is contained in:
Antonio Gurgel 2021-03-27 01:18:47 -07:00 • committed by GitHub
parent 3ae714e88c
commit 35675fdfe7
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5 changed files with 197 additions and 5 deletions
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Cargo.lock generated
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@ -187,6 +187,7 @@ dependencies = [
"glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.85 (registry+https://github.com/rust-lang/crates.io-index)",
"nix 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 1.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
"sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -517,6 +518,11 @@ name = "fake-simd"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "file_diff"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "filetime"
version = "0.2.14"
@ -730,6 +736,17 @@ dependencies = [
"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "nix"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"cc 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)",
"cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.85 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "nodrop"
version = "0.1.14"
@ -1658,6 +1675,7 @@ name = "uu_install"
version = "0.0.4"
dependencies = [
"clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)",
"file_diff 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"filetime 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.85 (registry+https://github.com/rust-lang/crates.io-index)",
"time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2501,6 +2519,7 @@ dependencies = [
"checksum either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
"checksum env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
"checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
"checksum file_diff 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "31a7a908b8f32538a2143e59a6e4e2508988832d5d4d6f7c156b3cbc762643a5"
"checksum filetime 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "1d34cfa13a63ae058bfa601fe9e313bbdb3746427c1459185464ce0fcf62e1e8"
"checksum fnv 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
"checksum fs_extra 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2022715d62ab30faffd124d40b76f4134a550a87792276512b18d63272333394"
@ -2532,6 +2551,7 @@ dependencies = [
"checksum memchr 2.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
"checksum memoffset 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
"checksum nix 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4dbdc256eaac2e3bd236d93ad999d3479ef775c863dbda3068c4006a92eec51b"
"checksum nix 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
"checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
"checksum num-integer 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)" = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
"checksum num-traits 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"