The packages concerning the Git plugin try to automatically find a dependency which does not exist because it is created by the tuleap package.

When you try to install the package you get the following error:
--> Processing Dependency: /usr/share/codendi/src/utils/php-launcher.sh for package: tuleap-plugin-git-4.85-1.el6.noarch
--> Finished Dependency Resolution
Error: Package: tuleap-plugin-git-4.85-1.el6.noarch (@Tuleap)
Requires: /usr/share/codendi/src/utils/php-launcher.sh
Removing: tuleap-8.6.99.31-1.el6.noarch (@Tuleap)
Not found
Updated By: tuleap-8.6.99.43-1.el6.noarch (Tuleap)
Not found