git-gen-version: Simplify a `if`

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

diff --git a/src/git-gen-version.sh b/src/git-gen-version.sh
index d80eff8..9395647 100755 (executable)
--- a/src/git-gen-version.sh
+++ b/src/git-gen-version.sh
@@ -20,10 +20,8 @@
 # The version number is stored in a dedicated Nit module.
 
 gen_version() {
-       if grep "$*" version.nit >/dev/null 2>&1; then
-               :
-       else
-               cat > version.nit<<END
+       if ! grep "$*" version.nit >/dev/null 2>&1; then
+               cat > version.nit <<END
 # This file was generated by git-gen-version.sh
 module version
 fun nit_version: String do return "$*"