Add clarification about how to calculate the MD5
I was trying to do `echo $PWD | md5sum` before stumbling upon this Stack Overflow article
Closes
@@ -45,7 +45,8 @@ The solution that's currently implemented:
directory. So, for example, if Bazel is running in the workspace directory
`/home/user/src/my-project` (or in a directory symlinked to that one), then
an output base directory is created called:
- `/home/user/.cache/bazel/_bazel_user/7ffd56a6e4cb724ea575aba15733d113`.
+ `/home/user/.cache/bazel/_bazel_user/7ffd56a6e4cb724ea575aba15733d113`. You
+ can also run `echo -n $(pwd) | md5sum` in a Bazel workspace to get the MD5.
* You can use Bazel's `--output_base` startup option to override the default
output base directory. For example,
`bazel --output_base=/tmp/bazel/output build x/y:z`.
