[WireGuard] RFE: A notion of VERSION (was: Debugging AllowedIps)

[Daniel Kahn Gillmor]

On Thu 2016-11-17 02:40:30 +0900, Jason A. Donenfeld wrote:
> Trying again with no line breaks:
>
>> WIREGUARD_VERSION := $(shell parent_name=$$(readlink -f .. | sed -n 's:.*/[wW]ire[Gg]uard[a-z-]*-\([0-9.]\+\)$$:\1:p');  if [ -d ../.git ]; then echo "git-$$(git rev-parse --short HEAD)"; elif [ -n $parent_name ]; then echo "$$parent_name"; else echo "unknown"; fi)

Please don't assume that the source code is built from a git repository.
On debian, we build from the tarball, which is extracted from the git
repo, and we have nothing for "git rev-parse" to draw from.

For the cost of one extra commit just before tagging, you could populate
a version.txt file and this then becomes $(shell cat version.txt).

simplicity, simplicity :)

            --dkg
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