Flag to add a newline after decorations for --oneline log output

Add a flag --newlineafter to be able to pass in "decorations" to enable a nicer format for the --oneline output so the commit subjects are aligned when decorations are printed.

0b96396ef5ff7a3a01e137b3735893c970759dfa (HEAD -> jc/two-line-pretty-decoration, john-cai/jc/two-line-pretty-decoration)
Improve UX for oneline with decorations
e9e5ba39a78c8f5057262d49e261b42a8660d5b9 (origin/master, origin/HEAD, master)
The fifteenth batch
c6fc44e9bf85dc02f6d33b11d9b5d1e10711d125 Merge branch 'ab/test-lib-diff-cleanup' 63ec2297d26155adb0e38745bf2284cd663add8e Merge branch 'ab/fix-make-lint-docs'

original thread in
https://lore.kernel.org/git/CA+55aFwT2HUBzZO8Gpt9tHoJtdRxv9oe3TDoSH5jcEOixRNBXg@mail.gmail.com/T/#t

John Cai (4):
oneline: parse --newlineafter flag
oneline: print newline after decorations if flag provided
oneline: test for --newlineafter feature
doc: add docs for newlineafter flag

 Documentation/pretty-options.txt |  4 ++++
 builtin/log.c                    | 25 +++++++++++++++++++++++++
 log-tree.c                       | 20 ++++++++++++++++----
 log-tree.h                       |  7 +++++--
 pretty.c                         |  4 ++--
 revision.h                       |  4 ++++
 t/t4205-log-pretty-formats.sh    | 10 ++++++++++
 7 files changed, 66 insertions(+), 8 deletions(-)

base-commit: e9e5ba39a78c8f5057262d49e261b42a8660d5b9
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1065%2Fjohn-cai%2Fjc%2Ftwo-line-pretty-decoration-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1065/john-cai/jc/two-line-pretty-decoration-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/1065

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