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authorJulien Dessaux2024-03-07 00:54:35 +0100
committerJulien Dessaux2024-03-07 01:02:23 +0100
commit560becfd32dd7355547938f3c6229060dd395aab (patch)
tree42329f4e47c64349ae8a0205f867632ac52bcdc6 /pkg/packages.go
parentfeat(stdlib): began adding systemd services support (diff)
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chore(repo): renamed gonf subfolder to something more traditional in go land
Diffstat (limited to 'pkg/packages.go')
-rw-r--r--pkg/packages.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/pkg/packages.go b/pkg/packages.go
new file mode 100644
index 0000000..114a227
--- /dev/null
+++ b/pkg/packages.go
@@ -0,0 +1,81 @@
+package gonf
+
+import "log/slog"
+
+// ----- Globals ---------------------------------------------------------------
+var packages []*PackagePromise
+
+// packages management functions
+var packages_install_function func([]string) (Status, []string)
+var packages_list_function func()
+var packages_update_function *CommandPromise
+
+// ----- Init ------------------------------------------------------------------
+func init() {
+ packages = make([]*PackagePromise, 0)
+}
+
+// ----- Public ----------------------------------------------------------------
+func SetPackagesConfiguration(install func([]string) (Status, []string), list func(), update *CommandPromise) {
+ packages_install_function = install
+ packages_list_function = list
+ packages_update_function = update
+}
+
+func Package(names ...string) *PackagePromise {
+ return &PackagePromise{
+ chain: nil,
+ err: nil,
+ names: names,
+ status: PROMISED,
+ }
+}
+
+type PackagePromise struct {
+ chain []Promise
+ err error
+ names []string
+ status Status
+}
+
+func (p *PackagePromise) IfRepaired(ps ...Promise) Promise {
+ p.chain = ps
+ return p
+}
+
+func (p *PackagePromise) Promise() Promise {
+ packages = append(packages, p)
+ return p
+}
+
+func (p *PackagePromise) Resolve() {
+ status, affected := packages_install_function(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()
+ }
+ }
+}
+
+// ----- Internal --------------------------------------------------------------
+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
+}