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// Copyright (c) 2019-2023, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
//go:build !singularity_engine
package bin
import (
"fmt"
"os/exec"
)
// findOnPath falls back to exec.LookPath when not built as part of Singularity.
func findOnPath(name string) (path string, err error) {
return exec.LookPath(name)
}
// findFromConfigOrPath falls back to exec.LookPath when not built as part of Singularity.
func findFromConfigOrPath(name string) (path string, err error) {
return exec.LookPath(path)
}
// findFromConfigOnly returns an error when not built as part of Singularity.
func findFromConfigOnly(name string) (path string, err error) {
return "", fmt.Errorf("findFromConfigOnly is not implemented")
}
// findConmon falls back to exec.LookPath when not built as part of Singularity.
func findConmon(name string) (path string, err error) {
return findOnPath(name)
}
// findSquashfuse looks for squashfuse_ll / squashfuse on PATH.
func findSquashfuse(name string) (path string, err error) {
// squashfuse_ll if found on PATH
llPath, err := findOnPath("squashfuse_ll")
if err == nil {
return llPath, nil
}
// squashfuse if found on PATH
return findOnPath(name)
}
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