diff options
Diffstat (limited to 'libpod/util.go')
| -rw-r--r-- | libpod/util.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libpod/util.go b/libpod/util.go index 164800af4..84fd490bf 100644 --- a/libpod/util.go +++ b/libpod/util.go @@ -3,6 +3,7 @@ package libpod import ( "fmt" "os" + "os/exec" "path/filepath" "sort" "strconv" @@ -10,6 +11,7 @@ import ( "time" "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/utils" "github.com/fsnotify/fsnotify" spec "github.com/opencontainers/runtime-spec/specs-go" "github.com/pkg/errors" @@ -20,6 +22,8 @@ const ( // DefaultTransport is a prefix that we apply to an image name // to check docker hub first for the image DefaultTransport = "docker://" + + unknownPackage = "Unknown" ) // FuncTimer helps measure the execution time of a function @@ -152,3 +156,36 @@ func JSONDeepCopy(from, to interface{}) error { } return json.Unmarshal(tmp, to) } + +func dpkgVersion(path string) string { + output := unknownPackage + cmd := exec.Command("/usr/bin/dpkg", "-S", path) + if outp, err := cmd.Output(); err == nil { + output = string(outp) + } + return strings.Trim(output, "\n") +} + +func rpmVersion(path string) string { + output := unknownPackage + cmd := exec.Command("/usr/bin/rpm", "-q", "-f", path) + if outp, err := cmd.Output(); err == nil { + output = string(outp) + } + return strings.Trim(output, "\n") +} + +func packageVersion(program string) string { + if out := rpmVersion(program); out != unknownPackage { + return out + } + return dpkgVersion(program) +} + +func programVersion(mountProgram string) (string, error) { + output, err := utils.ExecCmd(mountProgram, "--version") + if err != nil { + return "", err + } + return strings.TrimSuffix(output, "\n"), nil +} |