fhs: move from container

This package is not container-specific.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 51 insertions, 0 deletions

diff --git a/fhs/fhs.go b/fhs/fhs.go
new file mode 100644
index 00000000..6d098d0c
--- /dev/null
+++ b/fhs/fhs.go
@@ -0,0 +1,51 @@
+// Package fhs provides constant and checked pathname values for common FHS paths.
+package fhs
+
+const (
+	// Root points to the file system root.
+	Root = "/"
+	// Etc points to the directory for system-specific configuration.
+	Etc = "/etc/"
+	// Tmp points to the place for small temporary files.
+	Tmp = "/tmp/"
+
+	// Run points to a "tmpfs" file system for system packages to place runtime
+	// data, socket files, and similar.
+	Run = "/run/"
+	// RunUser points to a directory containing per-user runtime directories,
+	// each usually individually mounted "tmpfs" instances.
+	RunUser = Run + "user/"
+
+	// Usr points to vendor-supplied operating system resources.
+	Usr = "/usr/"
+	// UsrBin points to binaries and executables for user commands that shall
+	// appear in the $PATH search path.
+	UsrBin = Usr + "bin/"
+
+	// Var points to persistent, variable system data. Writable during normal
+	// system operation.
+	Var = "/var/"
+	// VarLib points to persistent system data.
+	VarLib = Var + "lib/"
+	// VarEmpty points to a nonstandard directory that is usually empty.
+	VarEmpty = Var + "empty/"
+
+	// Dev points to the root directory for device nodes.
+	Dev = "/dev/"
+	// DevShm is the place for POSIX shared memory segments, as created via
+	// shm_open(3).
+	DevShm = "/dev/shm/"
+	// Proc points to a virtual kernel file system exposing the process list and
+	// other functionality.
+	Proc = "/proc/"
+	// ProcSys points to a hierarchy below /proc/ that exposes a number of
+	// kernel tunables.
+	ProcSys = Proc + "sys/"
+	// ProcSelf resolves to the process's own /proc/pid directory.
+	ProcSelf = Proc + "self/"
+	// ProcSelfExe is a symbolic link to program pathname.
+	ProcSelfExe = ProcSelf + "exe"
+	// Sys points to a virtual kernel file system exposing discovered devices
+	// and other functionality.
+	Sys = "/sys/"
+)