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add: warn when asked to update SKIP_WORKTREE entries

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`git add` already refrains from updating SKIP_WORKTREE entries, but it
silently exits with zero code when it is asked to do so. Instead, let's
warn the user and display a hint on how to update these entries.

Note that we only warn the user whey they give a pathspec item that
matches no eligible path for updating, but it does match one or more
SKIP_WORKTREE entries. A warning was chosen over erroring out right away
to reproduce the same behavior `add` already exhibits with ignored
files. This also allow users to continue their workflow without having
to invoke `add` again with only the eligible paths (as those will have
already been added).

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares
2021-04-08 17:41:27 -03:00
committed by Junio C Hamano
parent b243012cb3
commit a20f70478f
7 changed files with 172 additions and 21 deletions
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20
advice.c
View File

@ -2,6 +2,7 @@
#include "config.h"
#include "color.h"
#include "help.h"
#include "string-list.h"
int advice_fetch_show_forced_updates = 1;
int advice_push_update_rejected = 1;
@ -136,6 +137,7 @@ static struct {
[ADVICE_STATUS_HINTS] = { "statusHints", 1 },
[ADVICE_STATUS_U_OPTION] = { "statusUoption", 1 },
[ADVICE_SUBMODULE_ALTERNATE_ERROR_STRATEGY_DIE] = { "submoduleAlternateErrorStrategyDie", 1 },
[ADVICE_UPDATE_SPARSE_PATH] = { "updateSparsePath", 1 },
[ADVICE_WAITING_FOR_EDITOR] = { "waitingForEditor", 1 },
};
@ -284,6 +286,24 @@ void NORETURN die_conclude_merge(void)
die(_("Exiting because of unfinished merge."));
}
void advise_on_updating_sparse_paths(struct string_list *pathspec_list)
{
struct string_list_item *item;
if (!pathspec_list->nr)
return;
fprintf(stderr, _("The following pathspecs didn't match any"
" eligible path, but they do match index\n"
"entries outside the current sparse checkout:\n"));
for_each_string_list_item(item, pathspec_list)
fprintf(stderr, "%s\n", item->string);
advise_if_enabled(ADVICE_UPDATE_SPARSE_PATH,
_("Disable or modify the sparsity rules if you intend"
" to update such entries."));
}
void detach_advice(const char *new_name)
{
const char *fmt =