Return the string "<REPO-NAME>-<SHA1:7>" where REPO-NAME is the name of the git repository, extracted from URL and SHA1:7 the seven first digits of SHA1 string.

Return the list of references advertised at Git repository URL. If TAGS? is true, limit to only refs/tags.

Return the list of commits between NEW and OLD, where OLD is assumed to be an ancestor of NEW. Exclude all the commits listed in EXCLUDED along with their ancestors.

Essentially, this computes the set difference between the closure of NEW and that of OLD.

Resolve TAG in REPOSITORY and return the corresponding object, usually a commit.

Return an sexp, called an "sglob", that represents the compiled form of STR, a glob pattern such as "foo*" or "foo??bar".

Compile SGLOB into a more efficient representation.

Return true if STR matches PATTERN, a compiled glob pattern as returned by 'compile-sglob'.

Return the package name and version number extracted from NAME+VERSION.

Find GNU package called NAME and return it. Return #f if it was not found.

Return a list of records, which are GNU packages. Use FETCH, to fetch the list of GNU packages over HTTP.

Return the list of <upstream-release> of PROJECT as a list of release name/directory pairs.

Return true if FILE is a release tarball of PROJECT.

Rewrite URI to a mirror:// URI if possible, or return URI unmodified.