Merge pull request #2449 from daxgames/alias_fix

Alias fix

CHANGELOG.md

@@ -1,9 +1,10 @@
 # Change Log
 
-## [Unreleased]
+## [1.3.17](https://github.com/cmderdev/cmder/tree/v1.3.17) (2020-12-23)
 
 ### Fixes
 
+- [bug] Running `alias ..=cd ..` removes other aliases #2394
 - Switch to @chrisant996 [Clink](https://github.com/chrisant996/clink/) v1.1.10 to fix Clink newer Windows 10 releases.
 - Fix `\Git\cmd\git.exe found. was unexpected at this time.`
 - Documentation fixes.

vendor/bin/alias.cmd

@@ -81,6 +81,9 @@ set alias_name=!alias_name:~1!
 :: trailing quotes added while validating
 set alias_value=!alias_value:~0,-1!
 
+:: '.' escaped
+set alias_name_esc=!alias_name:.=\.!
+
 ::remove spaces
 set _temp=%alias_name: =%
 
@@ -91,15 +94,19 @@ if not ["%_temp%"] == ["%alias_name%"] (
 )
 
 :: replace already defined alias
-%WINDIR%\System32\findstr /b /v /i "%alias_name%=" "%ALIASES%" >> "%ALIASES%.tmp"
+%WINDIR%\System32\findstr /v /i "^%alias_name_esc%=" "%ALIASES%" >> "%ALIASES%.tmp"
 echo %alias_name%=%alias_value% >> "%ALIASES%.tmp" && type "%ALIASES%.tmp" > "%ALIASES%" & @del /f /q "%ALIASES%.tmp"
 doskey /macrofile="%ALIASES%"
 endlocal
 exit /b
 
 :p_del
 set del_alias=%~1
-%WINDIR%\System32\findstr /b /v /i "%del_alias%=" "%ALIASES%" >> "%ALIASES%.tmp"
+
+:: '.' escaped
+set del_alias_esc=!del_alias:.=\.!
+
+%WINDIR%\System32\findstr /v /i "^%del_alias_esc%=" "%ALIASES%" >> "%ALIASES%.tmp"
 type "%ALIASES%".tmp > "%ALIASES%" & @del /f /q "%ALIASES%.tmp"
 doskey %del_alias%=
 doskey /macrofile="%ALIASES%"