How to query the value of %SystemDrive% in an empty environment?
Tue Aug 6 15:20:00 GMT 2019
using 'env -i' to create an empty environment, the SYSTEMROOT and WINDIR
environment variables are preserved (or recreated):
$ /usr/bin/env -i /usr/bin/env
And with cygpath, there is the -A, -D, -H, -O, -P, -S, -W and even -F flags
to query the values for various directories.
Now what I've failed to find is how to query the value for the "SystemDrive"
The problem behind is that I'm using "vswhere.exe" to locate some Visual Studio
environment from within some scripts run via 'env -i', causing vswhere.exe to
create a directory named "%SystemDrive%" in the current working directory:
So I better ensure the SystemDrive environment variable is set for vswhere.exe.
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