feat: warn when using rm with wildcard (*)

nature/greenhouse/init.lua

@@ -361,6 +361,8 @@ function Greenhouse:initUi()
 	self = nil
 	bait.release('signal.sigint', sigint)
 	bait.release('signal.resize', resize)
+
+	ansikit.clear()
 end
 
 return Greenhouse

nature/init.lua

@@ -19,7 +19,9 @@ table.insert(package.searchers, function(module)
 end)
 
 require 'nature.hilbish'
+
 require 'nature.processors'
+require 'nature.processors.wildcardWarn'
 
 require 'nature.commands'
 require 'nature.completions'

nature/processors/init.lua

@@ -40,11 +40,13 @@ function hilbish.processors.execute(command, opts)
 	for _, processor in ipairs(hilbish.processors.list) do
 		if not contains(opts.skip, processor.name) then
 			local processed = processor.func(command)
-			if processed.history ~= nil then history = processed.history end
-			if processed.command then command = processed.command end
-			if not processed.continue then
-				continue = false
-				break
+			if processed then
+				if processed.history ~= nil then history = processed.history end
+				if processed.command then command = processed.command end
+				if not processed.continue then
+					continue = false
+					break
+				end
 			end
 		end
 	end
@@ -54,4 +56,4 @@ function hilbish.processors.execute(command, opts)
 		continue = continue,
 		history = history
 	}
-end
+end

nature/processors/wildcardWarn.lua

@@ -0,0 +1,65 @@
+local hilbish = require 'hilbish'
+local Greenhouse = require 'nature.greenhouse'
+local Page = require 'nature.greenhouse.page'
+
+print 'wildcard warn loaded'
+
+local function contains(search, needle)
+	for _, p in ipairs(search) do
+		if p:match(needle) then
+			return p
+		end
+	end
+
+	return nil
+end
+
+local stdoutSink = {}
+function stdoutSink:write(t)
+    io.write(t)
+end
+
+function stdoutSink:writeln(t)
+    print(t)
+end
+
+hilbish.processors.add {
+    name = 'wildcardWarn',
+    func = function(commandLine)
+        local args = string.split(commandLine, ' ')
+        if args[1] == 'rm' then -- command check
+            local match1 = contains(args, '%*')
+            local match2 = contains(args, '/%*')
+            if match1 or match2 then
+                local matches = fs.glob(match1 or match2)
+                if #matches == 0 then
+                    return {continue = true}
+                end
+
+                ::askWithInfo::
+                print 'Detected wildcard with potentially dangerous command.'
+                print 'Are you sure you want to run this command?'
+
+                ::ask::
+                local ans = hilbish.read '(Y/N, L to list files matched with wildcard) '
+                ans = ans:lower()
+                if ans == 'l' then
+                    local gh = Greenhouse(stdoutSink)
+                    local page = Page('Wildcard File List', '')
+                    page.lines = matches
+
+                    gh:addPage(page)
+                    gh:initUi()
+                    goto askWithInfo
+                elseif ans == 'y' then
+                    return {continue = true}
+                elseif ans == 'n' then
+                    return {continue = false}
+                else
+                    print 'Invalid answer..'
+                    goto ask
+                end
+            end
+        end
+    end
+}