func (proj *Project) upgradeCheck(r *repo.Repo, vers *repo.Version,
force bool) (bool, error) {
rdesc, err := r.GetRepoDesc()
if err != nil {
return false, err
}
branch, newVers, _ := rdesc.Match(r)
if newVers == nil {
util.StatusMessage(util.VERBOSITY_DEFAULT,
"No matching version to upgrade to "+
"found for %s. Please check your project requirements.",
r.Name())
return false, util.NewNewtError(fmt.Sprintf("Cannot find a "+
"version of repository %s that matches project requirements.",
r.Name()))
}
// If the change between the old repository and the new repository would cause
// and upgrade. Then prompt for an upgrade response, unless the force option
// is present.
if vers.CompareVersions(newVers, vers) != 0 ||
vers.Stability() != newVers.Stability() {
if !force {
str := ""
if newVers.Stability() != repo.VERSION_STABILITY_NONE {
str += "(" + branch + ")"
}
fmt.Printf("Would you like to upgrade repository %s from %s to %s %s? [Yn] ",
r.Name(), vers.String(), newVers.String(), str)
line, more, err := bufio.NewReader(os.Stdin).ReadLine()
if more || err != nil {
return false, util.NewNewtError(fmt.Sprintf(
"Couldn't read upgrade response: %s\n", err.Error()))
}
// Anything but no means yes.
answer := strings.ToUpper(strings.Trim(string(line), " "))
if answer == "N" || answer == "NO" {
fmt.Printf("User says don't upgrade, skipping upgrade of %s\n",
r.Name())
return true, nil
}
}
} else {
util.StatusMessage(util.VERBOSITY_VERBOSE,
"Repository %s doesn't need to be upgraded, latest "+
"version installed.\n", r.Name())
return true, nil
}
return false, nil
}
func (proj *Project) checkVersionRequirements(r *repo.Repo, upgrade bool, force bool) (bool, error) {
rdesc, err := r.GetRepoDesc()
if err != nil {
return false, err
}
rname := r.Name()
vers := proj.projState.GetInstalledVersion(rname)
if vers != nil {
ok := rdesc.SatisfiesVersion(vers, r.VersionRequirements())
if !ok && !upgrade {
util.StatusMessage(util.VERBOSITY_QUIET, "WARNING: Installed "+
"version %s of repository %s does not match desired "+
"version %s in project file. You can fix this by either upgrading"+
" your repository, or modifying the project.yml file.\n",
vers, rname, r.VersionRequirementsString())
return true, err
} else {
if !upgrade {
util.StatusMessage(util.VERBOSITY_VERBOSE, "%s correct version already installed\n", r.Name())
return true, nil
} else {
skip, err := proj.upgradeCheck(r, vers, force)
return skip, err
}
}
} else {
// Fallthrough and perform the installation.
// Check to make sure that this repository contains a version
// that can satisfy.
_, _, ok := rdesc.Match(r)
if !ok {
fmt.Printf("WARNING: No matching repository version found for repository "+
"%s specified in project.\n", r.Name())
return true, err
}
}
return false, nil
}