add configurable prompt

vendor/clink.lua

@@ -21,6 +21,16 @@ local function verbatim(s)
     return s
 end
 
+-- Extracts only the folder name from the input Path
+-- Ex: Input C:\Windows\System32 returns System32
+---
+local function get_folder_name(path)
+  local reversePath = string.reverse(path)
+  local slashIndex = string.find(reversePath, "\\")
+  return string.sub(path, string.len(path) - slashIndex + 2)
+end
+
+
 ---
 -- Setting the prompt in clink means that commands which rewrite the prompt do
 -- not destroy our own prompt. It also means that started cmds (or batch files
@@ -44,17 +54,43 @@ local function set_prompt_filter()
     -- also check for square brackets
     if env == nil then env = old_prompt:match('.*%[([^%]]+)%].+:') end
 
-    -- build our own prompt
+    -- Much of the below was 'borrowed' from https://github.com/AmrEldib/cmder-powerline-prompt
-    -- orig: $E[1;32;40m$P$S{git}{hg}$S$_$E[1;30;40m{lamb}$S$E[0m
+    -- Symbol displayed for the home dir in the prompt.
-    -- color codes: "\x1b[1;37;40m"
+    if not prompt_homeSymbol then
-    local cmder_prompt = "\x1b[1;32;40m{cwd} {git}{hg}{svn} \n\x1b[1;39;40m{lamb} \x1b[0m"
+      prompt_homeSymbol = "~"
-    local lambda = "λ"
+    end
-    cmder_prompt = string.gsub(cmder_prompt, "{cwd}", verbatim(cwd))
+
+    -- Symbol displayed in the new line below the prompt.
+    if not prompt_lambSymbol then
+      prompt_lambSymbol = "λ"
+    end
+
+    if prompt_type == 'folder' then
+        cwd = get_folder_name(cwd)
+    end
+
+    if prompt_useHomeSymbol and string.find(cwd, clink.get_env("HOME")) then
+        cwd = string.gsub(cwd, clink.get_env("HOME"), prompt_homeSymbol)
+    end
+
+    uah = ''
+    if prompt_useUserAtHost then
+        uah = clink.get_env("USERNAME") .. "@" .. clink.get_env("COMPUTERNAME") .. ' '
+    end
+
+    cr = "\n"
+    if prompt_singleLine then
+      cr = ' '
+    end
 
     if env ~= nil then
-        lambda = "("..env..") "..lambda
+        prompt_lambSymbol = "("..env..") "..prompt_lambSymbol
     end
-    clink.prompt.value = string.gsub(cmder_prompt, "{lamb}", verbatim(lambda))
+
+    prompt = uah_color .. "{uah}" .. cwd_color .. "{cwd}{git}{hg}{svn}" .. lamb_color .. cr .. "{lamb} \x1b[0m"
+    uah_value = string.gsub(prompt, "{uah}", uah)
+    new_value = string.gsub(uah_value, "{cwd}", cwd)
+    clink.prompt.value = string.gsub(new_value, "{lamb}", prompt_lambSymbol)
 end
 
 local function percent_prompt_filter()

vendor/cmder_prompt_config.lua.default

@@ -0,0 +1,42 @@
+-- All of the below was 'borrowed' from https://github.com/AmrEldib/cmder-powerline-prompt
+
+--- REQUIRED. config_prompt_type is whether the displayed prompt is the full path or only the folder name
+ -- Use:
+ -- "full" for full path like C:\Windows\System32
+ -- "folder" for folder name only like System32
+ -- default is full
+prompt_type = "full"
+
+--- REQUIRED. config_prompt_useHomeSymbol is whether to show ~ instead of the full path to the user's home folder
+ -- Use true or false
+ -- default is false
+prompt_useHomeSymbol = false
+
+-- Symbols
+-- REQUIRED. Prompt displayed instead of user's home folder e.g. C:\Users\username
+ -- default is '~'
+prompt_homeSymbol = "~"
+
+-- REQUIRED. Symbol displayed in the new line below the prompt.
+ -- default is 'λ'
+prompt_lambSymbol = "λ"
+
+-- REQUIRED. Adds [user]@[host] to the beginning of the prompt like bash
+ -- default is false
+prompt_useUserAtHost = false
+
+-- REQUIRED. If true prompt is a single line instead of default two line prompt.
+ -- default is false
+prompt_singleLine = false
+
+-- Prompt Attributes
+--
+-- Colors
+-- Green:      "\x1b[1;33;40m"
+-- Yellow:     "\x1b[1;32;40m"
+-- Light Grey: "\x1b[1;30;40m"
+
+-- Prompt Element Colors
+uah_color = "\x1b[1;33;40m" -- Green = uah = [user]@[hostname]
+cwd_color = "\x1b[1;32;40m" -- Yellow cwd = Current Working Directory
+lamb_color = "\x1b[1;30;40m" -- Light Grey = Lambda Color

vendor/init.bat

@@ -154,6 +154,11 @@ if "%CMDER_CLINK%" == "1" (
       echo Additional *.lua files in "%CMDER_USER_CONFIG%" are loaded on startup.
     )
 
+    if not exist "%CMDER_USER_CONFIG%\cmder_prompt_config.lua" (
+      echo Creating Cmder prompt config file: "%CMDER_USER_CONFIG%\cmder_prompt_config.lua"
+      copy "%CMDER_ROOT%\vendor\cmder_prompt_config.lua.default" "%CMDER_USER_CONFIG%\cmder_prompt_config.lua"
+    )
+
     REM Cleanup lagacy Clink Settings file
     if exist "%CMDER_USER_CONFIG%\settings" if exist "%CMDER_USER_CONFIG%\clink_settings" (
       del "%CMDER_USER_CONFIG%\settings"
@@ -171,6 +176,11 @@ if "%CMDER_CLINK%" == "1" (
       echo Additional *.lua files in "%CMDER_ROOT%\config" are loaded on startup.
     )
     
+    if not exist "%CMDER_ROOT%\config\cmder_prompt_config.lua" (
+      echo Creating Cmder prompt config file: "%CMDER_ROOT%\config\cmder_prompt_config.lua"
+      copy "%CMDER_ROOT%\vendor\cmder_prompt_config.lua.default" "%CMDER_ROOT%\config\cmder_prompt_config.lua"
+    )
+
     REM Cleanup lagacy Clink Settings file
     if exist "%CMDER_ROOT%\config\settings" if exist "%CMDER_ROOT%\config\clink_settings" (
       del "%CMDER_ROOT%\config\settings"