app/instance: wrap internal implementation

This reduces the scope of the fst package, which was growing questionably large.

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

1 files changed, 0 insertions, 57 deletions

diff --git a/fst/app.go b/fst/app.go
deleted file mode 100644
index 51ff0d7a..00000000
--- a/fst/app.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Package fst exports shared fortify types.
-package fst
-
-import (
-	"syscall"
-	"time"
-)
-
-type App interface {
-	// ID returns a copy of [fst.ID] held by App.
-	ID() ID
-
-	// Seal determines the outcome of config as a [SealedApp].
-	// The value of config might be overwritten and must not be used again.
-	Seal(config *Config) (SealedApp, error)
-
-	String() string
-}
-
-type SealedApp interface {
-	// Run commits sealed system setup and starts the app process.
-	Run(rs *RunState) error
-}
-
-// RunState stores the outcome of a call to [SealedApp.Run].
-type RunState struct {
-	// Time is the exact point in time where the process was created.
-	// Location must be set to UTC.
-	//
-	// Time is nil if no process was ever created.
-	Time *time.Time
-	// RevertErr is stored by the deferred revert call.
-	RevertErr error
-	// WaitErr is the generic error value created by the standard library.
-	WaitErr error
-
-	syscall.WaitStatus
-}
-
-// SetStart stores the current time in [RunState] once.
-func (rs *RunState) SetStart() {
-	if rs.Time != nil {
-		panic("attempted to store time twice")
-	}
-	now := time.Now().UTC()
-	rs.Time = &now
-}
-
-// Paths contains environment-dependent paths used by fortify.
-type Paths struct {
-	// path to shared directory (usually `/tmp/fortify.%d`)
-	SharePath string `json:"share_path"`
-	// XDG_RUNTIME_DIR value (usually `/run/user/%d`)
-	RuntimePath string `json:"runtime_path"`
-	// application runtime directory (usually `/run/user/%d/fortify`)
-	RunDirPath string `json:"run_dir_path"`
-}