Don't re-fetch rust.tar.gz every single time

[farcaller]

No description provided.

[mcoffin]

To do this, we'd have to implement some way to tag the rust directory with the commit hash. Maybe just touch an empty file with the name of the commit hash, then check to see if the file exists. If it doesn't, delete the directory and re-download. If it exists then we already have the right version and don't need to re-download the tarball.

[bharrisau]

Or save the download with the commit version in the file name?
On 11 Jun 2015 8:43 am, "Matt Coffin" notifications@github.com wrote:

To do this, we'd have to implement some way to tag the rust directory with
the commit hash. Maybe just touch an empty file with the name of the
commit hash, then check to see if the file exists. If it doesn't, delete
the directory and re-download. If it exists then we already have the right
version and don't need to re-download the tarball.

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[mcoffin]

Or save the download with the commit version in the file name?

It's probably a little more error prone to tag the tarball with the version than to tag the actual working directory with the version.