Jens Lehmann writes:
> This new option will allow the user to not only reset the work tree of
> the superproject but to also update the work tree of all initialized
> submodules (so they match the SHA-1 recorded in the superproject) when
> used together with --hard or --merge. But this commit only adds the
I agree that --soft and --mixed should not do anything. I am not
sure why --keep should not do anything to submodule working trees
when asked to recurse, though.
> option without any functionality, that will be added to unpack_trees()
> in subsequent commits.
>
> Signed-off-by: Jens Lehmann
> ---
> Documentation/git-reset.txt | 4
> builtin/reset.c | 14 ++
> 2 files changed, 18 insertions(+)
>
> diff --git a/Documentation/git-reset.txt b/Documentation/git-reset.txt
> index f445cb3..8f833f4 100644
> --- a/Documentation/git-reset.txt
> +++ b/Documentation/git-reset.txt
> @@ -94,6 +94,10 @@ OPTIONS
> --quiet::
> Be quiet, only report errors.
>
> +include::recurse-submodules-update.txt[]
> ++
> +This option only makes sense together with `--hard` and `--merge` and is
> +ignored when used without these options.
>
> EXAMPLES
>
> diff --git a/builtin/reset.c b/builtin/reset.c
> index 6004803..adf372e 100644
> --- a/builtin/reset.c
> +++ b/builtin/reset.c
> @@ -20,6 +20,7 @@
> #include "parse-options.h"
> #include "unpack-trees.h"
> #include "cache-tree.h"
> +#include "submodule.h"
>
> static const char * const git_reset_usage[] = {
> N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q]
> []"),
> @@ -255,6 +256,8 @@ int cmd_reset(int argc, const char **argv, const char
> *prefix)
> {
> int reset_type = NONE, update_ref_status = 0, quiet = 0;
> int patch_mode = 0, unborn;
> + const char *recurse_submodules_default = "off";
> + int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
> const char *rev;
> unsigned char sha1[20];
> struct pathspec pathspec;
> @@ -270,13 +273,24 @@ int cmd_reset(int argc, const char **argv, const char
> *prefix)
> OPT_SET_INT(0, "keep", &reset_type,
> N_("reset HEAD but keep local changes"), KEEP),
> OPT_BOOL('p', "patch", &patch_mode, N_("select hunks
> interactively")),
> + { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules,
> + "checkout", "control recursive updating of submodules",
> + PARSE_OPT_OPTARG, option_parse_update_submodules },
> + { OPTION_STRING, 0, "recurse-submodules-default",
> + &recurse_submodules_default, NULL,
> + "default mode for recursion", PARSE_OPT_HIDDEN },
> OPT_END()
> };
>
> + gitmodules_config();
> git_config(git_default_config, NULL);
>
> argc = parse_options(argc, argv, prefix, options, git_reset_usage,
> PARSE_OPT_KEEP_DASHDASH);
> + set_config_update_recurse_submodules(
> +
> parse_update_recurse_submodules_arg("--recurse-submodules-default",
> + recurse_submodules_default),
> + recurse_submodules);
> parse_args(&pathspec, argv, prefix, patch_mode, &rev);
>
> unborn = !strcmp(rev, "HEAD") && get_sha1("HEAD", sha1);
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