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MSYS2 "Open Here" registry settings
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\Directory\Background\shell\open_msys2]
@="Open MSYS2 here"
[HKEY_CLASSES_ROOT\Directory\Background\shell\open_msys2\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/sh -lc 'cd \"$(cygpath \"%V\")\"; exec bash'"
[HKEY_CLASSES_ROOT\Folder\shell\open_msys2]
@="Open MSYS2 here"
[HKEY_CLASSES_ROOT\Folder\shell\open_msys2\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/sh -lc 'cd \"$(cygpath \"%V\")\"; exec bash'"
@magthe

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magthe commented Sep 11, 2014

Use

c:\msys64\usr\bin\mintty.exe /bin/bash -lc 'cd "$(cygpath "%V")"; export CHERE_INVOKING=1; exec bash --login -i'

to get a login shell.

@intsilence

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intsilence commented May 17, 2015

That is exactly what I want. Thank you !

@ghost

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ghost commented May 19, 2015

I have created a bash_here.bat file and added c:\msys64\bash_here.bat "%V" in regedit.
Content of bash_here.bat:
:
@echo off
set MSYSTEM=MINGW64
set curpath="."
if NOT 'x%1' == 'x' set curpath=%1
start %~dp0usr\bin\mintty.exe -i /mingw64/share/git/git-for-windows.ico -t "MSYS2 Bash Here" -w normal /usr/bin/bash -lc 'cd "$(cygpath %curpath%)"; export CHERE_INVOKING=1; exec bash --login -i'

@ryanpfeeley

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ryanpfeeley commented May 28, 2015

Thanks everyone! Two notes for people like me who might lack familiarity with .reg files:

  1. These registry entries assume msys64 is installed directly on the C drive.
  2. To get a login shell, you can use the string exactly as magthe posted in his comment if you use the regedit.exe GUI editor to create or modify the entries. If you use a .reg file, you need to escape both the \ and the " characters as magthe did in the original post. Therefore the .reg file lines become:
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/bash -lc 'cd \"$(cygpath \"%V\")\"; export CHERE_INVOKING=1; exec bash --login -i'"
@lianera

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lianera commented Feb 27, 2016

Here is a solution for mingw64 with .reg file:

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\open_mingw64]
@="Open mingw64 here"

[HKEY_CLASSES_ROOT\Directory\Background\shell\open_mingw64\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/sh -lc 'export MSYSTEM=MINGW64;cd \"$(cygpath \"%V\")\";exec bash --login'"

[HKEY_CLASSES_ROOT\Folder\shell\open_mingw64]
@="Open mingw64 here"

[HKEY_CLASSES_ROOT\Folder\shell\open_mingw64\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/sh -lc 'export MSYSTEM=MINGW64;cd \"$(cygpath \"%V\")\";exec bash --login'"
@MacGyver27

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MacGyver27 commented Jul 8, 2016

My reg file for all 3 variants..

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw32]
@="MinGW &32 Bash Here"
"Icon"="\"C:\\msys64\\mingw32.ico\""

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw32\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/bash -lc 'export MSYSTEM=MINGW32; cd \"$(cygpath \"%V\")\"; export CHERE_INVOKING=1; exec bash --login -i'"

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw64]
@="MinGW &64 Bash Here"
"Icon"="\"C:\\msys64\\mingw64.ico\""

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw64\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/bash -lc 'export MSYSTEM=MINGW64; cd \"$(cygpath \"%V\")\"; export CHERE_INVOKING=1; exec bash --login -i'"

[HKEY_CLASSES_ROOT\Directory\Background\shell\msys2]
@="MSYS2 Bash Here"
"Icon"="\"C:\\msys64\\msys2.ico\""

[HKEY_CLASSES_ROOT\Directory\Background\shell\msys2\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/bash -lc 'export MSYSTEM=MSYS; cd \"$(cygpath \"%V\")\"; export CHERE_INVOKING=1; exec bash --login -i'"
@coldfix

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coldfix commented Aug 17, 2016

Substitute %V with %V/ in this solution. Without the slash the command breaks for top level directories (i.e. drives) since %V expands to something like C:\ and the trailing backslash breaks the escaping of the quote.

See my fork for a more fixed version.

@Salamandar

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Salamandar commented Feb 9, 2017

Hmmm, I got a way simpler solution.

 E:\msys64\mingw64.exe /bin/sh -c 'CHERE_INVOKING=1 $SHELL'

I removed -l because it was losing the current path.
I need $SHELL, as I'm using Zsh.

@fangly

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fangly commented Mar 30, 2017

With the exec bash solutions above, I always had the following error:

bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shell

Based on the content of msys64/mingw64_shell.bat and these Mintty tips, I came up with a working solution. This is for a MinGW64 Bash shell only:

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw]
@="Open MinGW here"
"Icon"="C:\\msys64\\msys2.ico"

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw\command]
@="C:\\msys64\\usr\\bin\\mintty -i /msys2.ico --dir \"%V/\" /bin/env MSYSTEM=MINGW64 CHERE_INVOKING=1 /usr/bin/bash -l"

[HKEY_CLASSES_ROOT\Directory\shell\mingw]
@="Open MinGW here"
"Icon"="C:\\msys64\\msys2.ico"

[HKEY_CLASSES_ROOT\Directory\shell\mingw\command]
@="C:\\msys64\\usr\\bin\\mintty -i /msys2.ico --dir \"%1/\" /bin/env MSYSTEM=MINGW64 CHERE_INVOKING=1 /usr/bin/bash -l"

Note that both right-clicking on the background or on the icon of a folder triggers the action.

@makefile

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makefile commented Dec 4, 2017

The above doesn't work for me,for I use Cygwin64,the following works fine.And I use exec bash to replace the parent shell.

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\open_mingw64]
@="Cygwin Here"
"Icon"="\"D:\\cygwin64\\Cygwin-Terminal.ico\""

[HKEY_CLASSES_ROOT\Directory\Background\shell\open_mingw64\command]
@="d:\\cygwin64\\bin\\mintty.exe /bin/sh -lc 'cd \"`cygpath \"%V\"`\"; exec bash'"

[HKEY_CLASSES_ROOT\Folder\shell\open_mingw64]
@="Cygwin Here"
"Icon"="\"D:\\cygwin64\\Cygwin-Terminal.ico\""

[HKEY_CLASSES_ROOT\Folder\shell\open_mingw64\command]
@="d:\\cygwin64\\bin\\mintty.exe /bin/sh -lc 'cd \"`cygpath \"%V\"`\"; exec bash'"
@hiptkang

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hiptkang commented Dec 1, 2018

For some users...

registry file

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw64]
@="MinGW &64 Bash Here"
"Icon"="\"C:\\msys64\\msys2.ico\""

[HKEY_CLASSES_ROOT\Directory\Background\shell\mingw64\command]
@="C:\\msys64\\msys2_shell.cmd -mingw64 -where \"%V/\""

[HKEY_CLASSES_ROOT\Directory\shell\mingw64]
@="MinGW &64 Bash Here"
"Icon"="\"C:\\msys64\\msys2.ico\""

[HKEY_CLASSES_ROOT\Directory\shell\mingw64\command]
@="C:\\msys64\\msys2_shell.cmd -mingw64 -where \"%V/\""
@Mattiwatti

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Mattiwatti commented Feb 3, 2020

The command lines from @MacGyver27's .reg file worked fine for me so I didn't need to modify it. But here are some things to add that people may want to change to the above files:

  • If you add a key to HKEY_CLASSES_ROOT\Directory\shell, the menu item will be displayed when you right click on a folder in explorer. If you add a key to HKEY_CLASSES_ROOT\Directory\Background\shell, the menu item will be displayed when you right click on an empty area in a folder in explorer. If you add a key to HKEY_CLASSES_ROOT\Drive\shell, the menu item will be displayed when you right click on a drive. You may or may not want to add all three.
  • If your context menu is too cluttered you may want to enable the item for SHIFT+right clicks only. In this case you should add the following:
[HKEY_CLASSES_ROOT\xxx\shell\<msys2|mingw32|mingw64>]
"Extended"=""
"ShowBasedOnVelocityId"=dword:00639bc8
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