Merge branch 'gl/cleanup' into gl/cleanup-next

* gl/cleanup: (160 commits)
  Convert memset(hash,0,20) to hashclr(hash).
  Convert memcpy(a,b,20) to hashcpy(a,b).
  Fix a comparison bug in diff-delta.c
  git-send-email: Don't set author_not_sender from Cc: lines
  Remove unnecessary forward declaration of unpack_entry.
  Verify we know how to read a pack before trying to using it.
  Add write_or_die(), a helper function
  Axe the last ent
  builtin-mv: readability patch
  git-mv: fix off-by-one error
  git-mv: special case destination "."
  builtin-mv: readability patch
  Indentation fix.
  Do not use memcmp(sha1_1, sha1_2, 20) with hardcoded length.
  gitweb: Uniquify version info output, add meta generator in page header
  Be nicer if git executable is not installed
  builtin-grep: remove unused debugging cruft.
  gitweb: Add support for per project git URLs
  [PATCH] git-mv: add more path normalization
  Remove the "delay writing to avoid runtime penalty of racy-git avoidance"
  ...

diff --cc .gitignore
Simple merge

diff --cc Makefile
index 1c327c1d5c42ca73d4c55d5341d57606ea80ec61,b15b420ea218b23a53548577bdc874f8484a6d78..f3874d50dfb0f3c932085dca079cf181773105fc
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -182,24 -192,19 +192,20 @@@ PROGRAMS = 
        git-send-pack$X git-shell$X \
        git-show-index$X git-ssh-fetch$X \
        git-ssh-upload$X git-unpack-file$X \
-       git-unpack-objects$X git-update-server-info$X \
+       git-update-server-info$X \
        git-upload-pack$X git-verify-pack$X \
-       git-symbolic-ref$X \
-       git-name-rev$X git-pack-redundant$X git-var$X \
+       git-pack-redundant$X git-var$X \
        git-describe$X git-merge-tree$X git-blame$X git-imap-send$X \
-       git-merge-recur$X
- 
- BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
-       git-count-objects$X git-diff$X git-push$X git-mailsplit$X \
-       git-grep$X git-add$X git-rm$X git-rev-list$X git-stripspace$X \
-       git-check-ref-format$X git-rev-parse$X git-mailinfo$X \
-       git-init-db$X git-tar-tree$X git-upload-tar$X git-format-patch$X \
-       git-ls-files$X git-ls-tree$X git-get-tar-commit-id$X \
-       git-read-tree$X git-commit-tree$X git-write-tree$X \
-       git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
-       git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
-       git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X \
-       git-repo-config$X
++      git-merge-recur$X \
+       $(EXTRA_PROGRAMS)
+ 
+ # Empty...
+ EXTRA_PROGRAMS =
+ 
+ BUILT_INS = \
+       git-format-patch$X git-show$X git-whatchanged$X \
+       git-get-tar-commit-id$X \
+       $(patsubst builtin-%.o,git-%$X,$(BUILTIN_OBJS))
  
  # what 'all' will build and 'install' will install, in gitexecdir
  ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)

diff --cc cache.h
Simple merge

diff --cc read-cache.c
Simple merge