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.
Bu işleme şunda yer alıyor:
Fabien C 2014-02-01 16:07:46 +01:00 işlemeyi yapan: Jason A. Donenfeld
ebeveyn aa6d5b105d
işleme e8cacb5981

Dosyayı Görüntüle

@ -4,7 +4,7 @@
V=$1
# Use `git describe` to get current version if we're inside a git repo
if test -d .git
if test "$(git rev-parse --git-dir 2>/dev/null)" = '.git'
then
V=$(git describe --abbrev=4 HEAD 2>/dev/null)
fi