freeze it up

hosts/othalan/pkgs.nix

@@ -8,5 +8,6 @@
       cachix
       graphviz
       typst
+      charm-freeze
     ]);
 }

pkgs/oizys-nim/src/oizys.nim

@@ -33,16 +33,16 @@ overlay:
     echo nixosConfigAttrs().join(" ")
 
   proc update(yes: bool = false) =
-    ## *TBD* update and run nixos-rebuild
+    ## *TBI* update and run nixos-rebuild
     fatal "not implemented"
 
   proc build(minimal: bool = false) =
     ## nix build
     nixBuild(minimal, rest)
 
-  proc cache(name: string = "daylin") =
+  proc cache(minimal: bool = false, name: string = "daylin") =
-    ## *TBD* build and push to cachix
+    ## build and push to cachix
-    fatal "not implemented"
+    nixBuildWithCache(minimal, name, rest)
 
   proc osCmd() =
     ## nixos-rebuild
@@ -52,12 +52,11 @@ overlay:
       error (
         &"unknown nixos-rebuild subcmd: {subcmd}\nexpected one of: \n" &
         nixosSubcmds.mapIt("  " & it).join("\n")
-      )
+      ); quit QuitFailure
-      quit QuitFailure
     nixosRebuild(subcmd, rest[1..^1])
 
   proc ci(`ref`: string = "main") =
-    ## *TBD* trigger GHA update flow
+    ## trigger GHA update flow
     if rest.len == 0:
       fatal "expected workflow file name"; quit QuitFailure
     createDispatch(rest[0], `ref`)
@@ -67,7 +66,7 @@ proc checkExes() =
     quit("oizys requires nix", QuitFailure)
 
 proc `//`(t1: Table[string, string], t2: Table[string, string]): Table[string, string] =
-  # nix style table merge
+  # nix style shallow table merge
   for k, v in t1.pairs(): result[k] = v
   for k, v in t2.pairs(): result[k] = v
 

pkgs/oizys-nim/src/oizys/exec.nim

@@ -6,7 +6,7 @@ import std/[
 import ./spin
 
 
-func addArgs*(cmd: var string, args: seq[string]) =
+func addArgs*(cmd: var string, args: openArray[string]) =
   cmd &= " " & args.join(" ")
 
 func addArg*(cmd: var string, arg: string) =

pkgs/oizys-nim/src/oizys/logging.nim

@@ -59,7 +59,7 @@ proc newFancyConsoleLogger*(
   errorBb: string = "bold red",
   fatalBb: string = "bold red"
 ): FancyConsoleLogger =
-  ## Creates a new `ColoredConsoleLogger<#ConsoleLogger>`_.
+  ## Creates a new `FancyConsoleLogger<#ConsoleLogger>`_.
   new result
   let fmtStrs: array[Level, string] = [
       genFmtStr(fmtPrefix,fmtSep, fmtSuffix, "", lvlAll),

pkgs/oizys-nim/src/oizys/nix.nim

@@ -203,10 +203,12 @@ proc nixBuildHostDry*(minimal: bool, rest: seq[string]) =
       quit "exiting...", QuitSuccess
     cmd.addArgs drvs
     cmd.addArg "--no-link"
+
     if isCi():
       writeDervationsToStepSummary drvs
   else:
     cmd.addArgs nixosConfigAttrs()
+
   cmd.addArg "--dry-run"
   cmd.addArgs rest
   let (_, err) =
@@ -214,4 +216,35 @@ proc nixBuildHostDry*(minimal: bool, rest: seq[string]) =
   let output = parseDryRunOutput err
   display output
 
+# TODO: Add to bbansi
+template `bbfmt`(pattern: static string): untyped =
+  bb(fmt(pattern))
+
+proc nixBuildWithCache*(minimal: bool, name: string, rest:seq[string]) =
+  if findExe("cachix") == "":
+    fatal "is cachix installed?"; quit QuitFailure
+  info bbfmt"building and pushing to cache: [b]{name}"
+  var cmd = "cachix"
+  cmd.addArgs ["watch-exec","--"]
+  cmd.addArg "nix build"
+  if minimal:
+    debug "populating args with derivations not built/cached"
+    let drvs = systemPathDrvsToBuild()
+    if drvs.len == 0:
+      info "nothing to build"
+      quit "exiting...", QuitSuccess
+    cmd.addArgs drvs
+    cmd.addArg "--no-link"
+  else:
+    cmd.addArgs nixosConfigAttrs()
+  cmd.addArgs rest
+  debug cmd
+  quit QuitSuccess
+  let err = runCmd(cmd)
+  quit err
+
+
+
+
+