Add front-end implementation for conda-standalone uninstall subcommand

CONSTRUCT.md

@@ -869,6 +869,14 @@ Allowed keys are:
       license text. Only relevant if include_text is True. Any str accepted by open()'s 'errors'
       argument is valid. See https://docs.python.org/3/library/functions.html#open.
 
+### `uninstall_with_conda_exe`
+
+_required:_ no<br/>
+_type:_ boolean<br/>
+
+Use the standalone binary to perform the uninstallation.
+Requires conda-standalone 24.11.0 or newer.
+
 
 ## Available selectors
 - `aarch64`

constructor/construct.py

@@ -643,6 +643,11 @@
     - `text_errors` (optional str, default=`None`): How to handle decoding errors when reading the
       license text. Only relevant if include_text is True. Any str accepted by open()'s 'errors'
       argument is valid. See https://docs.python.org/3/library/functions.html#open.
+'''),
+
+    ('uninstall_with_conda_exe', False, bool, '''
+Use the standalone binary to perform the uninstallation.
+Requires conda-standalone 24.11.0 or newer.
 '''),
 ]
 

constructor/main.py

@@ -102,6 +102,14 @@ def main_build(dir_path, output_dir='.', platform=cc_platform,
         # TODO: Investigate errors on Windows and re-enable
         sys.exit("Error: micromamba is not supported on Windows installers.")
 
+    if (
+        info.get("uninstall_with_conda_exe")
+        and not (
+            exe_type == StandaloneExe.CONDA and exe_version and exe_version >= Version("24.11.0")
+        )
+    ):
+        sys.exit("Error: uninstalling with conda.exe requires conda-standalone 24.11.0 or newer.")
+
     logger.debug('conda packages download: %s', info['_download_dir'])
 
     for key in ('welcome_image_text', 'header_image_text'):
@@ -184,7 +192,7 @@ def main_build(dir_path, output_dir='.', platform=cc_platform,
             "Will assume it is compatible with shortcuts."
         )
     elif sys.platform != "win32" and (
-        exe_type != StandaloneExe.CONDA or exe_version < Version("23.11.0")
+        exe_type != StandaloneExe.CONDA or (exe_version and exe_version < Version("23.11.0"))
     ):
         logger.warning("conda-standalone 23.11.0 or above is required for shortcuts on Unix.")
         info['_enable_shortcuts'] = "incompatible"

constructor/nsis/StandaloneUninstallerOptions.nsh

@@ -0,0 +1,108 @@
+var UninstCustomOptions
+var UninstCustomOptions.RemoveConfigFiles_User
+var UninstCustomOptions.RemoveConfigFiles_System
+var UninstCustomOptions.RemoveUserData
+var UninstCustomOptions.RemoveCaches
+
+# These are the checkbox states, to be used by the uninstaller
+var UninstRemoveConfigFiles_User_State
+var UninstRemoveConfigFiles_System_State
+var UninstRemoveUserData_State
+var UninstRemoveCaches_State
+
+Function un.UninstCustomOptions_InitDefaults
+    StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+    StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+    StrCpy $UninstRemoveUserData_State ${BST_UNCHECKED}
+    StrCpy $UninstRemoveCaches_State ${BST_UNCHECKED}
+FunctionEnd
+
+Function un.UninstCustomOptions_Show
+    ${If} $UninstRemoveCaches_State == ""
+        Abort
+    ${EndIf}
+    # Create dialog
+    nsDialogs::Create 1018
+    Pop $UninstCustomOptions
+    ${If} $UninstCustomOptions == error
+        Abort
+    ${EndIf}
+
+    !insertmacro MUI_HEADER_TEXT \
+        "Advanced uninstallation options" \
+            "Remove configuration, data, and cache files"
+
+    # We will use $5 as the y axis accumulator, starting at 0
+    # We sum the the number of 'u' units added by 'NSD_Create*' functions
+    IntOp $5 0 + 0
+
+    # Option to remove configuration files
+    ${NSD_CreateCheckbox} 0 "$5u" 100% 11u "Remove user configuration files."
+    IntOp $5 $5 + 11
+    Pop $UninstCustomOptions.RemoveConfigFiles_User
+    ${NSD_SetState} $UninstCustomOptions.RemoveConfigFiles_User $UninstRemoveConfigFiles_User_State
+    ${NSD_OnClick} $UninstCustomOptions.RemoveConfigFiles_User un.UninstRemoveConfigFiles_User_Onclick
+    ${NSD_CreateLabel} 5% "$5u" 90% 10u \
+        "This removes configuration files such as .condarc files in the Users directory."
+    IntOp $5 $5 + 10
+
+    ${If} ${UAC_IsAdmin}
+        ${NSD_CreateCheckbox} 0 "$5u" 100% 11u "Remove system-wide configuration files."
+        IntOp $5 $5 + 11
+        Pop $UninstCustomOptions.RemoveConfigFiles_System
+        ${NSD_SetState} $UninstCustomOptions.RemoveConfigFiles_System $UninstRemoveConfigFiles_System_State
+        ${NSD_OnClick} $UninstCustomOptions.RemoveConfigFiles_System un.UninstRemoveConfigFiles_System_Onclick
+        ${NSD_CreateLabel} 5% "$5u" 90% 10u \
+            "This removes configuration files such as .condarc files in the ProgramData directory."
+        IntOp $5 $5 + 10
+    ${EndIf}
+
+    # Option to remove user data files
+    ${NSD_CreateCheckbox} 0 "$5u" 100% 11u "Remove user data."
+    IntOp $5 $5 + 11
+    Pop $UninstCustomOptions.RemoveUserData
+    ${NSD_SetState} $UninstCustomOptions.RemoveUserData $UninstRemoveUserData_State
+    ${NSD_OnClick} $UninstCustomOptions.RemoveUserData un.UninstRemoveUserData_Onclick
+    ${NSD_CreateLabel} 5% "$5u" 90% 10u \
+        "This removes user data files such as the .conda directory inside the Users folder."
+    IntOp $5 $5 + 10
+
+    # Option to remove caches
+    ${NSD_CreateCheckbox} 0 "$5u" 100% 11u "Remove caches."
+    IntOp $5 $5 + 11
+    Pop $UninstCustomOptions.RemoveCaches
+    ${NSD_SetState} $UninstCustomOptions.RemoveCaches $UninstRemoveCaches_State
+    ${NSD_OnClick} $UninstCustomOptions.RemoveCaches un.UninstRemoveCaches_Onclick
+    ${NSD_CreateLabel} 5% "$5u" 90% 10u \
+        "This removes cache directories such as package caches and notices."
+    IntOp $5 $5 + 20
+
+    IntOp $5 $5 + 5
+    ${NSD_CreateLabel} 0 "$5u" 100% 10u \
+        "These options are not recommended if multiple conda installations exist on the same system."
+    IntOp $5 $5 + 10
+    Pop $R0
+    SetCtlColors $R0 ff0000 transparent
+
+    nsDialogs::Show
+FunctionEnd
+
+Function un.UninstRemoveConfigFiles_User_OnClick
+    Pop $0
+    ${NSD_GetState} $0 $UninstRemoveConfigFiles_User_State
+FunctionEnd
+
+Function un.UninstRemoveConfigFiles_System_OnClick
+    Pop $0
+    ${NSD_GetState} $0 $UninstRemoveConfigFiles_System_State
+FunctionEnd
+
+Function un.UninstRemoveUserData_OnClick
+    Pop $0
+    ${NSD_GetState} $0 $UninstRemoveUserData_State
+FunctionEnd
+
+Function un.UninstRemoveCaches_OnClick
+    Pop $0
+    ${NSD_GetState} $0 $UninstRemoveCaches_State
+FunctionEnd

constructor/nsis/main.nsi.tmpl

@@ -67,6 +67,10 @@ var /global StdOutHandleSet
 
 !include "Utils.nsh"
 
+{%- if uninstall_with_conda_exe %}
+!include "StandaloneUninstallerOptions.nsh"
+{%- endif %}
+
 !define NAME {{ installer_name }}
 !define VERSION {{ installer_version }}
 !define COMPANY {{ company }}
@@ -110,6 +114,11 @@ var /global ARGV_NoScripts
 var /global ARGV_NoShortcuts
 var /global ARGV_CheckPathLength
 var /global ARGV_QuietMode
+{%- if uninstall_with_conda_exe %}
+var /global ARGV_Uninst_RemoveConfigFiles
+var /global ARGV_Uninst_RemoveUserData
+var /global ARGV_Uninst_RemoveCaches
+{%- endif %}
 
 var /global IsDomainUser
 var /global CheckPathLength
@@ -195,14 +204,17 @@ Page Custom mui_AnaCustomOptions_Show
 {%- if custom_conclusion %}
 # Custom conclusion file(s)
 {{ CUSTOM_CONCLUSION_FILE }}
-#else
+{%- else %}
 !insertmacro MUI_PAGE_FINISH
 {%- endif %}
 
 
 !insertmacro MUI_UNPAGE_WELCOME
 !define MUI_PAGE_CUSTOMFUNCTION_LEAVE un.OnDirectoryLeave
 !insertmacro MUI_UNPAGE_CONFIRM
+{%- if uninstall_with_conda_exe %}
+UninstPage Custom un.UninstCustomOptions_Show
+{%- endif %}
 !insertmacro MUI_UNPAGE_INSTFILES
 !insertmacro MUI_UNPAGE_FINISH
 
@@ -716,7 +728,7 @@ Function .onInit
     Pop $0
 FunctionEnd
 
-Function un.onInit
+!macro un.ParseCommandLineArgs
     ClearErrors
     ${GetParameters} $ARGV
     ${GetOptions} $ARGV "/?" $ARGV_Help
@@ -736,6 +748,11 @@ Function un.onInit
                 /? (show this help message)$\n\
                 /S (run in CLI/headless mode)$\n\
                 /Q (quiet mode, do not print output to console)$\n\
+{%- if uninstall_with_conda_exe %}
+                /RemoveCaches=[0|1] [default: 0]$\n\
+                /RemoveConfigFiles=[none|users|system|all] [default: none]$\n\
+                /RemoveUserData=[0|1] [default: 0]$\n\
+{%- endif %}
                 /_?=[installation directory] (must be last parameter)$\n\
             $\n\
             EXAMPLES$\n\
@@ -747,8 +764,7 @@ Function un.onInit
             Closing in 10s..."
         # Give it some time so users can read it the pop-up console
         # The pop-up console happens because the uninstaller copies itself to
-        # a temporary location because actually running, so we can't get the parent
-        # console handle
+        # a temporary location, so we can't get the parent console handle
         Sleep 10000
         Abort
     ${EndIf}
@@ -758,6 +774,59 @@ Function un.onInit
     ${IfNot} ${Errors}
         StrCpy $QuietMode "1"
     ${EndIf}
+{%- if uninstall_with_conda_exe %}
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveConfigFiles=" $ARGV_Uninst_RemoveConfigFiles
+    ${IfNot} ${Errors}
+        ${IfNot} ${UAC_IsAdmin}
+            ${If} $ARGV_Uninst_RemoveConfigFiles == "all"
+            ${OrIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+                MessageBox MB_ICONSTOP "Removing system .condarc files requires an elevated prompt."
+                Abort
+            ${EndIf}
+        ${EndIf}
+        ${If} $ARGV_Uninst_RemoveConfigFiles == "user"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "all"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${Else}
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveUserData=" $ARGV_Uninst_RemoveUserData
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveUserData = "1"
+            StrCpy $UninstRemoveUserData_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveUserData = "0"
+            StrCpy $UninstRemoveUserData_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveCaches=" $ARGV_Uninst_RemoveCaches
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveCaches = "1"
+            StrCpy $UninstRemoveCaches_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveCaches = "0"
+            StrCpy $UninstRemoveCaches_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+{%- endif %}
+!macroend
+
+Function un.onInit
+
+{%- if uninstall_with_conda_exe %}
+    Call un.UninstCustomOptions_InitDefaults
+{%- endif %}
 
     Push $0
     Push $1
@@ -1384,10 +1453,11 @@ SectionEnd
 
 Section "Uninstall"
     ${LogSet} on
+    ${If} ${Silent}
+        !insertmacro un.ParseCommandLineArgs
+    ${EndIf}
 
-    # Remove menu items, path entries
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_ROOT_PREFIX", "$INSTDIR")".r0'
-    {{ UNINSTALL_MENUS }}
 
     # ensure that MSVC runtime DLLs are on PATH during uninstallation
     ReadEnvStr $0 PATH
@@ -1437,15 +1507,7 @@ Section "Uninstall"
         System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "0").r0'
     ${EndIf}
 
-    !insertmacro AbortRetryNSExecWaitLibNsisCmd "pre_uninstall"
-    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmpath"
-    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmreg"
-
-    ${Print} "Removing files and folders..."
-    nsExec::Exec 'cmd.exe /D /C RMDIR /Q /S "$INSTDIR"'
-
-    # In case the last command fails, run the slow method to remove leftover
-    RMDir /r /REBOOTOK "$INSTDIR"
+    {{ UNINSTALL_COMMANDS }}
 
     ${If} $INSTALLER_NAME_FULL != ""
         DeleteRegKey SHCTX "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\$INSTALLER_NAME_FULL"