File _service of Package guile-git
<services> <service mode="localonly" name="tar_scm"> <param name="scm">git</param> <param name="url">https://gitlab.com/guile-git/guile-git.git</param> <param name="filename">guile-git</param> <param name="versionprefix">0.0</param> <param name="revision">951a32c56cc4d80f8836e3c7394783e69c1fcbad</param> </service> </services>