Re: [PATCH v11 7/7] graph: add --[no-]graph-indent and log.graphIndent

>
> Some users may prefer to not have graph indentation.
>
> Add "log.graphIndent" config variable to graph_read_config() to read the
> default preference. By default is graph indentation is true.
>
> Add --graph-indent and --no-graph-indent options to overwrite the
> default preference.
>
> Signed-off-by: Pablo Sabater <pabloosabaterr@gmail.com>
> ---
>  Documentation/config/log.adoc       |  4 +++
>  Documentation/rev-list-options.adoc |  8 ++++++
>  graph.c                             | 10 +++++--
>  revision.c                          |  9 +++++++
>  revision.h                          |  2 ++
>  t/t4218-log-graph-indentation.sh    | 52 +++++++++++++++++++++++++++++++++++++
>  6 files changed, 83 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/config/log.adoc b/Documentation/config/log.adoc
> index 757a7be196..f7dfce69b5 100644
> --- a/Documentation/config/log.adoc
> +++ b/Documentation/config/log.adoc
> @@ -59,6 +59,10 @@ This is the same as the `--decorate` option of the `git log`.
>         A list of colors, separated by commas, that can be used to draw
>         history lines in `git log --graph`.
>
> +`log.graphIndent`::
> +       If `true`, indent visual roots when rendering the graphs with `--graph`.
> +       Set true by default. It can be overriden with `--[no-]graph-indent`.
> +
>  `log.showRoot`::
>         If true, the initial commit will be shown as a big creation event.
>         This is equivalent to a diff against an empty tree.
> diff --git a/Documentation/rev-list-options.adoc b/Documentation/rev-list-options.adoc
> index eaee6ee839..af74f10bb4 100644
> --- a/Documentation/rev-list-options.adoc
> +++ b/Documentation/rev-list-options.adoc
> @@ -1269,6 +1269,14 @@ This implies the `--topo-order` option by default, but the
>         By default it is set to 0 (no limit), zero and negative values
>         are ignored and treated as no limit.
>
> +`--no-graph-indent`::
> +`--graph-indent`::
> +       When used with `--graph`, indent visual roots (commits with no parents
> +       or whose parents are not shown) to differentiate them from commits that
> +       are vertically adjacent but unrelated. Enabled by default. Use
> +       `--no-graph-indent` to disable or set `graph.indent` to set a deafault

> +test_expect_success '--no-graph-indent disables indentation' '
> +       lib_test_check_graph --no-graph-indent _58 _59 _60 _61 _62 _63 _64 _65 _66 _67 <<-\EOF
> +       * 67_A
> +       * 66_A
> +       * 65_A
> +       * 64_A
> +       * 63_A
> +       * 62_A
> +       * 61_A
> +       * 60_A
> +       * 59_A
> +       * 58_B
> +       * 58_A
> +       EOF
> +'
> +
> +test_expect_success 'log.graphIndent config disables indentation' '
> +       test_config log.graphIndent false &&
> +       lib_test_check_graph _58 _59 _60 _61 _62 _63 _64 _65 _66 _67 <<-\EOF
> +       * 67_A
> +       * 66_A
> +       * 65_A
> +       * 64_A
> +       * 63_A
> +       * 62_A
> +       * 61_A
> +       * 60_A
> +       * 59_A
> +       * 58_B
> +       * 58_A
> +       EOF
> +'
> +
> +test_expect_success '--graph-indent forces indentation when graph.indent is unset' '
> +       test_config log.graphIndent false &&
> +       lib_test_check_graph --graph-indent _58 _59 _60 _61 _62 _63 _64 _65 _66 _67 <<-\EOF
> +       * 67_A
> +         * 66_A
> +           * 65_A
> +             * 64_A
> +       * 63_A
> +         * 62_A
> +           * 61_A
> +             * 60_A
> +         * 59_A
> +       * 58_B
> +       * 58_A
> +       EOF
> +'
> +
> +# graph.indent true and no --option is the default state.