From d8f76f3b2594db4687c0203c4f2be8d3e4ef7740 Mon Sep 17 00:00:00 2001 From: Ophestra Umiker Date: Wed, 4 Sep 2024 01:20:12 +0900 Subject: rename to fortify and restructure More sandbox features will be added and this will no longer track ego's features and behaviour. Signed-off-by: Ophestra Umiker --- internal/util/simple.go | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 internal/util/simple.go (limited to 'internal/util/simple.go') diff --git a/internal/util/simple.go b/internal/util/simple.go new file mode 100644 index 00000000..08ce23f6 --- /dev/null +++ b/internal/util/simple.go @@ -0,0 +1,39 @@ +package util + +import ( + "io" + "os" + "os/exec" +) + +func Which(file string) (string, bool) { + p, err := exec.LookPath(file) + return p, err == nil +} + +func CopyFile(dst, src string) error { + srcD, err := os.Open(src) + if err != nil { + return err + } + defer func() { + if srcD.Close() != nil { + // unreachable + panic("src file closed prematurely") + } + }() + + dstD, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + if err != nil { + return err + } + defer func() { + if dstD.Close() != nil { + // unreachable + panic("dst file closed prematurely") + } + }() + + _, err = io.Copy(dstD, srcD) + return err +} -- cgit v1.3.1