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Answer 1

+2 A:

The command used to launch git bash is:

C:\Windows\SysWOW64\cmd.exe /c ""C:\Prog\Git\1.7.1\bin\sh.exe" --login -i"

I just tried the following in a DOS session:

C:\>C:\Windows\SysWOW64\cmd.exe /c ""C:\Prog\Git\1.7.1\bin\sh.exe" --login -i"
VonC@XXX /c/
$ echo $HOME
/c/Users/VonC

By default, $HOME$%HOMEPATH%, but if I force %HOME%:

set HOME=/another/path

and then launch the same bash session:

C:\>C:\Windows\SysWOW64\cmd.exe /c ""C:\Prog\Git\1.7.1\bin\sh.exe" --login -i"
VonC@XXX /c/
$ echo $HOME
/another/path

So if you wrap the bash call by a script setting the HOME to:

%~dp0 : the path of the wrapper on your USB key
or %~d1\your\path: with %~d1 being the drive letter (of your usb key if your wrapper is on it)

, you should be able to force HOME to whatever value you need.

VonC 2010-08-11 04:13:35

Thank you very much. I'll try this out as soon as I can (on the road right now, but I'll have time at some point) and will accept your answer once I verify that it'll work. (I'd accept now, but it seems odd to accept an answer before verifying its correctness.)

Voyagerfan5761 2010-08-13 04:25:58

@Voyager: no problem, take your time ;) I have had answer accepted after a long (very long) time before :) See the comments of http://meta.stackoverflow.com/questions/36318/whats-the-longest-interval-between-an-answer-being-posted-and-accepted

VonC 2010-08-13 05:52:36

Great thread. :) I've just tested my wrapper and it totally worked like a charm. Only detail left is whether I can get the value of `%~dp0` without the trailing slashes; any ideas? If not, that's fine; my setup is still working great.

Voyagerfan5761 2010-08-14 01:47:52

@Voyager: if you use a fixed path (always the same) in your USB, you ould use just `%d1` and build your path as you see fit. If not, you need to remove the last char, with DOS-based character substitution. See http://www.dostips.com/DtTipsStringManipulation.php. `set str=%str:-1%` should do it.

VonC 2010-08-14 07:21:13

Answer 2

A:

Hi, i'm also interested in the described functionality but not able to do so with the information given. Could you post your code ? I also think the guys at msysgit might like to change this too.

Contra-gamer 2010-08-16 11:50:27

At some point I might write a blog post about my hack and/or fork msysGit to my own GitHub repo and include the change, but for now have a look at what I did with this wrapper script: http://gist.github.com/533267. It's worth mentioning that I also did an `ln -s ssh .ssh` within the msysGit Portable install directory so SSH keys stored in the `ssh` folder would work (and I didn't have to move them to a new `.ssh` folder).

Voyagerfan5761 2010-08-18 03:26:17

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Fix msysGit Portable $HOME location

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