Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild

derive GIT_ROOT and other git properties from the INPUT_DIR_PATH directory
INPUT_DIR_PATH, if not specified, is derived from INPUT_PATH

add trick in pack_sources to allow creating the archive in CWD

fix version check in git_pack
rpm-git-tag-sort is also required during build for tests
add man pages for rpkg-macros, redirect there from MACRO REFERENCE
fix parameter order for rpm-git-tag-sort in git_merged_tag_refs
fix version parsing from the latest tag, package name may contain
implement support for multiple Sources at once
use rpm-git-tag-sort for tag sorting & filtering in git_merged_tag_refs
fix git_head for detached head state
in git_bumped_version, lead must be numeric and greater than zero to output
remove now unused git_bumped_release, set "" as default for lead in
make lead="" the only special case, otherwise lead is lead
unify code and params for git_release and git_version
code cleanup

remove shebangs in library files according to Fedora review
changes according to review - usage of %{_prefix} in spec, g-w for
use git-core on Fedoras

fix warning about unset git indetity in test_submodule_sources
skip test for submodule_sources on epel6
add missing sleep in tests, add TODO
fix changelog renderring for legacy git as there is no points-at
resolve problem in git_pack and submodules for epel7

fix bug on centos7 bash in is_physical_subpath function

initial release