Merge branch 'nd/decorate-grafts'

* nd/decorate-grafts:
log: Do not decorate replacements with --no-replace-objects
log: decorate "replaced" on to replaced commits
log: decorate grafted commits with "grafted"
Move write_shallow_commits to fetch-pack.c
Add for_each_commit_graft() to iterate all grafts
decoration: do not mis-decorate refs with same prefix

diff --cc builtin/fetch-pack.c
Simple merge

diff --cc commit.c
Simple merge

diff --cc log-tree.c
Simple merge