[PATCH v5 00/12] Column display

- Turn column bitflag type to unsigned int
- Get rid of global var git_colopts
- Get rid of ill-designed print_cell()
- Refuse to run "git branch -v --column" and "git tag -l -n --column"
- Fix "git status --column --no-color" always prints ANSI reset sequence
- Drop OPT_INTEGER hexadecimal support (it's not essential, the column
  helper functions can pass arguments are decimal)
- Add some more tests for column display

Nguyễn Thái Ngọc Duy (12):
  Save terminal width before setting up pager
  column: add API to print items in columns
  Add git-column and column mode parsing
  Stop starting pager recursively
  column: add columnar layout
  column: support columns with different widths
  column: add column.ui for default column output settings
  help: reuse print_columns() for help -a
  branch: add --column
  status: add --column
  column: support piping stdout to external git-column process
  tag: add --column

 .gitignore                   |    1 +
 Documentation/config.txt     |   38 ++++
 Documentation/git-branch.txt |    9 +
 Documentation/git-column.txt |   53 +++++
 Documentation/git-status.txt |    7 +
 Documentation/git-tag.txt    |   11 +-
 Makefile                     |    3 +
 builtin.h                    |    1 +
 builtin/branch.c             |   38 +++-
 builtin/column.c             |   62 ++++++
 builtin/commit.c             |    8 +
 builtin/tag.c                |   30 +++-
 column.c                     |  480 ++++++++++++++++++++++++++++++++++++++++++
 column.h                     |   36 +++
 command-list.txt             |    1 +
 git.c                        |    1 +
 help.c                       |   70 ++-----
 pager.c                      |   37 +++-
 parse-options.h              |    2 +
 t/t3200-branch.sh            |   50 +++++
 t/t7004-tag.sh               |   44 ++++
 t/t7508-status.sh            |   24 ++
 t/t9002-column.sh            |  135 ++++++++++++
 wt-status.c                  |   28 +++-
 wt-status.h                  |    1 +
 25 files changed, 1104 insertions(+), 66 deletions(-)
 create mode 100644 Documentation/git-column.txt
 create mode 100644 builtin/column.c
 create mode 100644 column.c
 create mode 100644 column.h
 create mode 100755 t/t9002-column.sh