turn into a cell package

help/cellstructure.md

@@ -25,4 +25,40 @@ the "cell upgrade" command is a command to upgrade the cell version in a shop.
 cell update - update all packages in the shop, and builds their code for local use
 cell install <package> - install a package
 cell remove <package> - remove a package
-cell build - build the package in the current directory into a cell executable
+cell build - build the package in the current directory into a cell executable
+cell version - the version of cell being used
+
+## building
+cell builds itself from source on your compuer!
+
+all source for every single part of a cell program are located in the cell shop.
+
+the cell shop looks like this:
+.cell
+  packages
+    gitea.pockle.world/john/cell <--- this is the root cell
+    gitea.pockle.world/john/prosperon
+      cell.toml <--- the manifest of the package
+      mod1.cm
+      mod2.cm
+      actor1.ce
+      addon.c <--- a C file for compiling into the cell executable
+      etc
+    gitea.pockle.world/john/accio
+    /Users/john/work/prosperon
+    ...
+  link.toml - temporary links for this cell shop
+  lock.toml - manifest of installed packages
+  cache
+    <downloaded packages>
+  build - content addressed hash
+    fajfola214o12
+    90823tjoag
+    ...
+
+## getting a module or actor
+When a module <name/mod> is requested, from a within package <a> ..
+
+1) cell looks within package <a> for a folder <name> and loads <name/mod>, if present
+2) cell looks for a package <name> with a top level <mod>
+3) cell looks in the core for <name/mod>

shop.cm

@@ -10,6 +10,13 @@ var utf8 = use('utf8')
 var blob = use('blob')
 var build_utils = use('build')
 
+function content_hash(content)
+{
+  return text(crypto.blake2(utf8.encode(content)), 'h')
+}
+
+log.console(content_hash("hello"))
+
 // a package string is what is used to import a module, like prosperon/sprite
 // in prosperon/sprite, sprite is the module, and prosperon is the package (usually, an alias)
 // a canonical package name relates prosperon to its source, like gitea.pockle.world/john/prosperon