[PATCH v2 0/5] contrib/subtree/Makefile: Standardisation pass

contrib/subtree/Makefile is a shambles in regards to it's consistency
with other makefiles, which makes subtree overly painful to include in
build scripts.

The main issues are that calls are made to git itself in the build
process, and that a subtree-exclusive variable is used for specifying
the exec path. Patches 1/5 through 3/5 resolve these.

The "cleanup" fixes (4/5 and 5/5) are based on precedents set by other
makefiles across the project.

One problem is foreseen: 3/5 will necessitate that package maintainers
who already have git-subtree included in their packages update their
build-scripts.

Signed-off-by: James Denholm <redacted>
Based-on-patch-by: Dan McGee [off-list ref]

James Denholm (5):
  contrib/subtree/Makefile: scrap unused $(gitdir)
  contrib/subtree/Makefile: Use GIT-VERSION-FILE
  contrib/subtree/Makefile: s/libexecdir/gitexecdir
  contrib/subtree/Makefile: Doc-gen rules cleanup
  contrib/subtree/Makefile: clean rule cleanup

 contrib/subtree/Makefile | 40 ++++++++++++++++++++++++----------------
 1 file changed, 24 insertions(+), 16 deletions(-)

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1.9.2