// MakeTestSnapWithFiles makes a squashfs snap file with the given
// snap.yaml content and optional extras files specified as pairs of
// relative file path and its content.
func MakeTestSnapWithFiles(c *check.C, snapYamlContent string, files [][]string) (snapFilePath string) {
tmpdir := c.MkDir()
snapSource := filepath.Join(tmpdir, "snapsrc")
err := os.MkdirAll(filepath.Join(snapSource, "meta"), 0755)
if err != nil {
panic(err)
}
snapYamlFn := filepath.Join(snapSource, "meta", "snap.yaml")
err = ioutil.WriteFile(snapYamlFn, []byte(snapYamlContent), 0644)
if err != nil {
panic(err)
}
PopulateDir(snapSource, files)
err = osutil.ChDir(snapSource, func() error {
var err error
snapFilePath, err = BuildSquashfsSnap(snapSource, "")
return err
})
if err != nil {
panic(err)
}
return filepath.Join(snapSource, snapFilePath)
}
// Build builds the snap.
func (s *Snap) Build(buildDir string) error {
fullSnapPath, err := filepath.Abs(s.path)
if err != nil {
return err
}
return osutil.ChDir(buildDir, func() error {
return runCommand(
"mksquashfs",
".", fullSnapPath,
"-noappend",
"-comp", "xz",
"-no-xattrs",
)
})
}