Re: [PATCH v4 1/4] checkout: factor out functions to new lib file

> Factor the functions out, so they can be re-used from other places.  In
> particular these functions will be re-used in builtin/worktree.c to make
> git worktree add dwim more.
>
> While there add some docs to the function.
>
> Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
> ---
>  Makefile           |  1 +
>  builtin/checkout.c | 41 +----------------------------------------
>  checkout.c         | 42 ++++++++++++++++++++++++++++++++++++++++++
>  checkout.h         | 13 +++++++++++++
>  4 files changed, 57 insertions(+), 40 deletions(-)
>  create mode 100644 checkout.c
>  create mode 100644 checkout.h
>
> diff --git a/Makefile b/Makefile
> index cd75985991..8d603c7443 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -757,6 +757,7 @@ LIB_OBJS += branch.o
>  LIB_OBJS += bulk-checkin.o
>  LIB_OBJS += bundle.o
>  LIB_OBJS += cache-tree.o
> +LIB_OBJS += checkout.o
>  LIB_OBJS += color.o
>  LIB_OBJS += column.o
>  LIB_OBJS += combine-diff.o
> diff --git a/builtin/checkout.c b/builtin/checkout.c
> index fc4f8fd2ea..9e1cfd10b3 100644
> --- a/builtin/checkout.c
> +++ b/builtin/checkout.c
> @@ -1,5 +1,6 @@
>  #include "builtin.h"
>  #include "config.h"
> +#include "checkout.h"
>  #include "lockfile.h"
>  #include "parse-options.h"
>  #include "refs.h"

> diff --git a/checkout.c b/checkout.c
> new file mode 100644
> index 0000000000..b0c744d37a
> --- /dev/null
> +++ b/checkout.c
> @@ -0,0 +1,42 @@
> +#include "cache.h"
> +#include "remote.h"