Add --force=fast mode that does not report on dependency issues,

as suggested by @agladysh. Closes #144.

1 files changed, 31 insertions, 25 deletions

diff --git a/src/luarocks/remove.lua b/src/luarocks/remove.lua
index 96816419..5a6e4dc5 100644
--- a/src/luarocks/remove.lua
+++ b/src/luarocks/remove.lua
@@ -14,12 +14,14 @@ local manif = require("luarocks.manif")
 local fs = require("luarocks.fs")
 
 help_summary = "Uninstall a rock."
-help_arguments = "[--force] <name> [<version>]"
+help_arguments = "[--force[=fast]] <name> [<version>]"
 help = [[
 Argument is the name of a rock to be uninstalled.
 If a version is not given, try to remove all versions at once.
 Will only perform the removal if it does not break dependencies.
 To override this check and force the removal, use --force.
+To perform a forced removal without reporting dependency issues,
+use --force=fast.
 ]]
 
 --- Obtain a list of packages that depend on the given set of packages
@@ -75,39 +77,43 @@ function remove_search_results(results, name, deps_mode, force)
    local version = next(versions)
    local second = next(versions, version)
    
-   util.printout("Checking stability of dependencies on the absence of")
-   util.printout(name.." "..table.concat(util.keys(versions), ", ").."...")
-   util.printout()
-   
-   local dependents = check_dependents(name, versions, deps_mode)
+   local dependents = {}
+   if force ~= "fast" then
+      util.printout("Checking stability of dependencies on the absence of")
+      util.printout(name.." "..table.concat(util.keys(versions), ", ").."...")
+      util.printout()
+      dependents = check_dependents(name, versions, deps_mode)
+   end
    
-   if #dependents == 0 or force then
-      if #dependents > 0 then
+   if #dependents > 0 then
+      if force then
          util.printerr("The following packages may be broken by this forced removal:")
          for _, dependent in ipairs(dependents) do
             util.printerr(dependent.name.." "..dependent.version)
          end
          util.printerr()
-      end
-      local ok, err = delete_versions(name, versions)
-      if not ok then return nil, err end
-      ok, err = manif.make_manifest(cfg.rocks_dir, deps_mode)
-      if not ok then return nil, err end
-   else
-      if not second then
-         util.printerr("Will not remove "..name.." "..version..".")
-         util.printerr("Removing it would break dependencies for: ")
       else
-         util.printerr("Will not remove installed versions of "..name..".")
-         util.printerr("Removing them would break dependencies for: ")
-      end
-      for _, dependent in ipairs(dependents) do
-         util.printerr(dependent.name.." "..dependent.version)
+         if not second then
+            util.printerr("Will not remove "..name.." "..version..".")
+            util.printerr("Removing it would break dependencies for: ")
+         else
+            util.printerr("Will not remove installed versions of "..name..".")
+            util.printerr("Removing them would break dependencies for: ")
+         end
+         for _, dependent in ipairs(dependents) do
+            util.printerr(dependent.name.." "..dependent.version)
+         end
+         util.printerr()
+         util.printerr("Use --force to force removal (warning: this may break modules).")
+         return nil, "Failed removing."
       end
-      util.printerr()
-      util.printerr("Use --force to force removal (warning: this may break modules).")
-      return nil, "Failed removing."
    end
+   
+   local ok, err = delete_versions(name, versions)
+   if not ok then return nil, err end
+   ok, err = manif.make_manifest(cfg.rocks_dir, deps_mode)
+   if not ok then return nil, err end
+
    util.printout("Removal successful.")
    return true
 end