container/initsymlink: unwrap mount errors
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The mount function now wraps its own errors in a much more descriptive type with proper message formatting. Wrapping them no longer makes any sense.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
2025-08-29 01:46:54 +09:00
parent b8669338da
commit eb3385d490
9 changed files with 20 additions and 34 deletions

View File

@@ -15,7 +15,7 @@ func TestBindMount(t *testing.T) {
}, [][]kexpect{{
{"verbosef", expectArgs{"resolved %q flags %#x", []any{"/sysroot/nix", uintptr(1)}}, nil, nil},
{"mount", expectArgs{"/host/nix", "/sysroot/nix", "", uintptr(0x9000), ""}, nil, errUnique},
}}, wrapErrSuffix(errUnique, `cannot mount "/host/nix" on "/sysroot/nix":`)},
}}, errUnique},
{"success ne", func(k syscallDispatcher) error {
return newProcPaths(k, hostPath).bindMount("/host/nix", "/sysroot/.host-nix", syscall.MS_RDONLY, false)
@@ -139,7 +139,7 @@ func TestRemount(t *testing.T) {
{"close", expectArgs{0xdeadbeef}, nil, nil},
{"openNew", expectArgs{"/host/proc/self/mountinfo"}, newConstFile(sampleMountinfoNix), nil},
{"mount", expectArgs{"none", "/sysroot/nix", "", uintptr(0x209027), ""}, nil, errUnique},
}}, wrapErrSuffix(errUnique, `cannot remount "/sysroot/nix":`)},
}}, errUnique},
{"mount propagate", func(k syscallDispatcher) error {
return newProcPaths(k, hostPath).remount("/sysroot/nix", syscall.MS_REC|syscall.MS_RDONLY|syscall.MS_NODEV)
@@ -151,7 +151,7 @@ func TestRemount(t *testing.T) {
{"openNew", expectArgs{"/host/proc/self/mountinfo"}, newConstFile(sampleMountinfoNix), nil},
{"mount", expectArgs{"none", "/sysroot/nix", "", uintptr(0x209027), ""}, nil, nil},
{"mount", expectArgs{"none", "/sysroot/nix/.ro-store", "", uintptr(0x209027), ""}, nil, errUnique},
}}, wrapErrSuffix(errUnique, `cannot propagate flags to "/sysroot/nix/.ro-store":`)},
}}, errUnique},
{"success toplevel", func(k syscallDispatcher) error {
return newProcPaths(k, hostPath).remount("/sysroot/bin", syscall.MS_REC|syscall.MS_RDONLY|syscall.MS_NODEV)