From: Fabien C <t74jgwb88tli9ch@jetable.org>
Date: Sat, 1 Feb 2014 15:07:46 +0000 (+0100)
Subject: gen-version.sh: check if git is available before trying to call it
X-Git-Url: https://gitweb.ps.run/ps-cgit/commitdiff_plain/e8cacb5981039e7e74921659ea50e287395ed411?hp=e8cacb5981039e7e74921659ea50e287395ed411

gen-version.sh: check if git is available before trying to call it

Some people may clone the cgit repository and compile within a sandbox
or on another machine where git is not necessarily installed. When it
happens, cgit is getting compiled with an empty version number.

This commit fixes this.
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