From c0beedbb48895b367444bcf62ee2d884856d718b Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Tue, 22 Nov 2022 10:12:30 -0500
Subject: [PATCH] tests/inst: Drop nix dependency

It has various semver bumps and we were literally just using
it to duplicate what's already in `libc`.
---
 tests/inst/Cargo.toml     | 2 +-
 tests/inst/src/sysroot.rs | 2 +-
 tests/inst/src/treegen.rs | 7 +++----
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/tests/inst/Cargo.toml b/tests/inst/Cargo.toml
index 40b1dd36..c6211adb 100644
--- a/tests/inst/Cargo.toml
+++ b/tests/inst/Cargo.toml
@@ -29,12 +29,12 @@ futures = "0.3.4"
 http = "0.2.0"
 tokio = { version = "1.4.0", features = ["full"] }
 futures-util = "0.3.1"
+libc = "0.2.100"
 base64 = "0.12.0"
 procspawn = "0.8"
 rand = "0.8"
 strum = "0.18.0"
 strum_macros = "0.18.0"
-nix = "0.23.0"
 # See discussion in https://github.com/coreos/rpm-ostree/pull/2569#issuecomment-780569188
 rpmostree-client = { git = "https://github.com/coreos/rpm-ostree", tag = "v2021.3" }
 
diff --git a/tests/inst/src/sysroot.rs b/tests/inst/src/sysroot.rs
index 818b4eb1..3a2547db 100644
--- a/tests/inst/src/sysroot.rs
+++ b/tests/inst/src/sysroot.rs
@@ -52,6 +52,6 @@ pub(crate) fn itest_tmpfiles() -> Result<()> {
         return Ok(());
     }
     let metadata = Path::new("/run/ostree").metadata()?;
-    assert_eq!(metadata.permissions().mode() & !nix::libc::S_IFMT, 0o755);
+    assert_eq!(metadata.permissions().mode() & !libc::S_IFMT, 0o755);
     Ok(())
 }
diff --git a/tests/inst/src/treegen.rs b/tests/inst/src/treegen.rs
index ab0c5bdb..8d65f02b 100644
--- a/tests/inst/src/treegen.rs
+++ b/tests/inst/src/treegen.rs
@@ -75,7 +75,6 @@ pub(crate) fn mutate_one_executable_to(
 
 /// Find ELF files in the srcdir, write new copies to dest (only percentage)
 pub(crate) fn mutate_executables_to(src: &Dir, dest: &Dir, percentage: u32) -> Result<u32> {
-    use nix::sys::stat::Mode as NixMode;
     assert!(percentage > 0 && percentage <= 100);
     let mut mutated = 0;
     for entry in src.entries()? {
@@ -84,13 +83,13 @@ pub(crate) fn mutate_executables_to(src: &Dir, dest: &Dir, percentage: u32) -> R
             continue;
         }
         let meta = entry.metadata()?;
-        let mode = NixMode::from_bits_truncate(meta.mode());
+        let mode = meta.mode();
         // Must be executable
-        if !mode.intersects(NixMode::S_IXUSR | NixMode::S_IXGRP | NixMode::S_IXOTH) {
+        if mode & (libc::S_IXUSR | libc::S_IXGRP | libc::S_IXOTH) == 0 {
             continue;
         }
         // Not suid
-        if mode.intersects(NixMode::S_ISUID | NixMode::S_ISGID) {
+        if mode & (libc::S_ISUID | libc::S_ISGID) == 0 {
             continue;
         }
         // Greater than 1k in size