On Sun, Jun 28, 2015 at 7:05 AM, Paul Tan <pyokagan@xxxxxxxxx> wrote:
> git-am.sh recognizes some of git-apply's options, and would pass them to
> git-apply:
>
> * --whitespace, since 8c31cb8 (git-am: --whitespace=x option.,
> 2006-02-28)
>
> * -C, since 67dad68 (add -C[NUM] to git-am, 2007-02-08)
>
> * -p, since 2092a1f (Teach git-am to pass -p option down to git-apply,
> 2007-02-11)
>
> * --directory, since b47dfe9 (git-am: add --directory=<dir> option,
> 2009-01-11)
>
> * --reject, since b80da42 (git-am: implement --reject option passed to
> git-apply, 2009-01-23)
>
> * --ignore-space-change, --ignore-whitespace, since 86c91f9 (git apply:
> option to ignore whitespace differences, 2009-08-04)
>
> * --exclude, since 77e9e49 (am: pass exclude down to apply, 2011-08-03)
>
> * --include, since 58725ef (am: support --include option, 2012-03-28)
>
> * --reject, since b80da42 (git-am: implement --reject option passed to
> git-apply, 2009-01-23)
>
> Re-implement support for these options in builtin/am.c.
>
> Signed-off-by: Paul Tan <pyokagan@xxxxxxxxx>
> ---
> builtin/am.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> diff --git a/builtin/am.c b/builtin/am.c
> index 55989e5..5aab627 100644
> --- a/builtin/am.c
> +++ b/builtin/am.c
> @@ -115,6 +115,8 @@ struct am_state {
> /* one of the enum scissors_type values */
> int scissors;
>
> + struct argv_array git_apply_opts;
> +
> /* override error message when patch failure occurs */
> const char *resolvemsg;
>
> @@ -147,6 +149,8 @@ static void am_state_init(struct am_state *state, const char *dir)
> git_config_get_bool("am.messageid", &state->message_id);
>
> state->scissors = SCISSORS_UNSET;
> +
> + argv_array_init(&state->git_apply_opts);
> }
>
> /**
> @@ -168,6 +172,8 @@ static void am_state_release(struct am_state *state)
>
> if (state->msg)
> free(state->msg);
> +
> + argv_array_clear(&state->git_apply_opts);
> }
>
> /**
> @@ -447,6 +453,11 @@ static void am_load(struct am_state *state)
> else
> state->scissors = SCISSORS_UNSET;
>
> + read_state_file(&sb, state, "apply-opt", 1);
> + argv_array_clear(&state->git_apply_opts);
> + if (sq_dequote_to_argv_array(sb.buf, &state->git_apply_opts) < 0)
> + die(_("could not parse %s"), am_path(state, "apply-opt"));
> +
> state->rebasing = !!file_exists(am_path(state, "rebasing"));
>
> strbuf_release(&sb);
> @@ -621,6 +632,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
> {
> unsigned char curr_head[GIT_SHA1_RAWSZ];
> const char *str;
> + struct strbuf sb = STRBUF_INIT;
>
> if (!patch_format)
> patch_format = detect_patch_format(paths);
> @@ -683,6 +695,9 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
>
> write_file(am_path(state, "scissors"), 1, "%s", str);
>
> + sq_quote_argv(&sb, state->git_apply_opts.argv, 0);
> + write_file(am_path(state, "apply-opt"), 1, "%s", sb.buf);
> +
> if (state->rebasing)
> write_file(am_path(state, "rebasing"), 1, "%s", "");
> else
> @@ -707,6 +722,8 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
> write_file(am_path(state, "next"), 1, "%d", state->cur);
>
> write_file(am_path(state, "last"), 1, "%d", state->last);
> +
> + strbuf_release(&sb);
> }
>
> /**
> @@ -1099,6 +1116,8 @@ static int run_apply(const struct am_state *state, const char *index_file)
>
> argv_array_push(&cp.args, "apply");
>
> + argv_array_pushv(&cp.args, state->git_apply_opts.argv);
> +
> if (index_file)
> argv_array_push(&cp.args, "--cached");
> else
> @@ -1125,6 +1144,7 @@ static int build_fake_ancestor(const struct am_state *state, const char *index_f
>
> cp.git_cmd = 1;
> argv_array_push(&cp.args, "apply");
> + argv_array_pushv(&cp.args, state->git_apply_opts.argv);
> argv_array_pushf(&cp.args, "--build-fake-ancestor=%s", index_file);
> argv_array_push(&cp.args, am_path(state, "patch"));
>
> @@ -1616,9 +1636,36 @@ int cmd_am(int argc, const char **argv, const char *prefix)
> PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
> OPT_BOOL('c', "scissors", &state.scissors,
> N_("strip everything before a scissors line")),
> + OPT_PASSTHRU_ARGV(0, "whitespace", &state.git_apply_opts, N_("action"),
> + N_("pass it through git-apply"),
> + 0),
> + OPT_PASSTHRU_ARGV(0, "ignore-space-change", &state.git_apply_opts, NULL,
> + N_("pass it through git-apply"),
> + PARSE_OPT_NOARG),
> + OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &state.git_apply_opts, NULL,
> + N_("pass it through git-apply"),
> + PARSE_OPT_NOARG),
> + OPT_PASSTHRU_ARGV(0, "directory", &state.git_apply_opts, N_("root"),
> + N_("pass it through git-apply"),
> + 0),
> + OPT_PASSTHRU_ARGV(0, "exclude", &state.git_apply_opts, N_("path"),
> + N_("pass it through git-apply"),
> + 0),
> + OPT_PASSTHRU_ARGV(0, "include", &state.git_apply_opts, N_("path"),
> + N_("pass it through git-apply"),
> + 0),
> + OPT_PASSTHRU_ARGV('C', NULL, &state.git_apply_opts, N_("n"),
> + N_("pass it through git-apply"),
> + 0),
> + OPT_PASSTHRU_ARGV('p', NULL, &state.git_apply_opts, N_("num"),
> + N_("pass it through git-apply"),
> + 0),
I realize this was in am.sh as well, but I find the help strings a bit
unfortunate.
(Yes, you actually need to look them up at another place as most people are
not familiar with the apply options).
> OPT_CALLBACK(0, "patch-format", &patch_format, N_("format"),
> N_("format the patch(es) are in"),
> parse_opt_patchformat),
> + OPT_PASSTHRU_ARGV(0, "reject", &state.git_apply_opts, NULL,
> + N_("pass it through git-apply"),
> + PARSE_OPT_NOARG),
> OPT_STRING(0, "resolvemsg", &state.resolvemsg, NULL,
> N_("override error message when patch failure occurs")),
> OPT_CMDMODE(0, "continue", &resume,
> --
> 2.5.0.rc0.76.gb2c6e93
>
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