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package gonf
import "log/slog"
var packages []*PackagePromise
var packagesInstallFunction func([]string) (Status, []string)
func init() {
packages = make([]*PackagePromise, 0)
}
func SetPackagesConfiguration(install func([]string) (Status, []string), update *CommandPromise) {
packagesInstallFunction = install
}
func Package(names ...string) *PackagePromise {
return &PackagePromise{
chain: nil,
err: nil,
names: names,
status: DECLARED,
}
}
type PackagePromise struct {
chain []Promise
err error
names []string
status Status
}
func (p *PackagePromise) IfRepaired(ps ...Promise) Promise {
p.chain = append(p.chain, ps...)
return p
}
func (p *PackagePromise) Promise() *PackagePromise {
if p.status == DECLARED {
p.status = PROMISED
packages = append(packages, p)
}
return p
}
func (p *PackagePromise) Resolve() {
status, affected := packagesInstallFunction(p.names)
switch status {
case BROKEN:
slog.Error("package", "names", p.names, "status", status, "broke", affected)
case KEPT:
slog.Debug("package", "names", p.names, "status", status)
case REPAIRED:
slog.Info("package", "names", p.names, "status", status, "repaired", affected)
for _, pp := range p.chain {
pp.Resolve()
}
}
}
func (p PackagePromise) Status() Status {
return p.status
}
func resolvePackages() (status Status) {
status = KEPT
for _, c := range packages {
if c.status == PROMISED {
c.Resolve()
switch c.status {
case BROKEN:
return BROKEN
case REPAIRED:
status = REPAIRED
}
}
}
return
}
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