git/advice.c
Matthieu Moy 91e70e00ac merge, pull: stop advising 'commit -a' in case of conflict
'git commit -a' is rarely a good way to mark conflicts as resolved:
the user anyway has to go manually through the list of conflicts to
do the actual resolution, and it is usually better to use "git add"
on each files after doing the resolution.

On the other hand, using 'git commit -a' is potentially dangerous,
as it makes it very easy to mistakenly commit conflict markers
without noticing, and even worse, the user may have started a merge
while having local changes that do not overlap with it in the
working tree.

While we're there, synchronize the 'git pull' and 'git merge'
messages: the first was ending with '...  and make a commit.', but
not the latter.

Eventually, git should detect that conflicts have been resolved in
the working tree and tailor these messages further.  Not only "use
git commit -a" could be resurected, but "Fix them up in the work
tree" should be dropped when it happens.

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-28 10:29:53 -07:00

112 lines
3.2 KiB
C

#include "cache.h"
int advice_push_update_rejected = 1;
int advice_push_non_ff_current = 1;
int advice_push_non_ff_matching = 1;
int advice_push_already_exists = 1;
int advice_push_fetch_first = 1;
int advice_push_needs_force = 1;
int advice_status_hints = 1;
int advice_status_u_option = 1;
int advice_commit_before_merge = 1;
int advice_resolve_conflict = 1;
int advice_implicit_identity = 1;
int advice_detached_head = 1;
int advice_set_upstream_failure = 1;
int advice_object_name_warning = 1;
int advice_rm_hints = 1;
static struct {
const char *name;
int *preference;
} advice_config[] = {
{ "pushupdaterejected", &advice_push_update_rejected },
{ "pushnonffcurrent", &advice_push_non_ff_current },
{ "pushnonffmatching", &advice_push_non_ff_matching },
{ "pushalreadyexists", &advice_push_already_exists },
{ "pushfetchfirst", &advice_push_fetch_first },
{ "pushneedsforce", &advice_push_needs_force },
{ "statushints", &advice_status_hints },
{ "statusuoption", &advice_status_u_option },
{ "commitbeforemerge", &advice_commit_before_merge },
{ "resolveconflict", &advice_resolve_conflict },
{ "implicitidentity", &advice_implicit_identity },
{ "detachedhead", &advice_detached_head },
{ "setupstreamfailure", &advice_set_upstream_failure },
{ "objectnamewarning", &advice_object_name_warning },
{ "rmhints", &advice_rm_hints },
/* make this an alias for backward compatibility */
{ "pushnonfastforward", &advice_push_update_rejected }
};
void advise(const char *advice, ...)
{
struct strbuf buf = STRBUF_INIT;
va_list params;
const char *cp, *np;
va_start(params, advice);
strbuf_vaddf(&buf, advice, params);
va_end(params);
for (cp = buf.buf; *cp; cp = np) {
np = strchrnul(cp, '\n');
fprintf(stderr, _("hint: %.*s\n"), (int)(np - cp), cp);
if (*np)
np++;
}
strbuf_release(&buf);
}
int git_default_advice_config(const char *var, const char *value)
{
const char *k;
int i;
if (!skip_prefix(var, "advice.", &k))
return 0;
for (i = 0; i < ARRAY_SIZE(advice_config); i++) {
if (strcmp(k, advice_config[i].name))
continue;
*advice_config[i].preference = git_config_bool(var, value);
return 0;
}
return 0;
}
int error_resolve_conflict(const char *me)
{
error("%s is not possible because you have unmerged files.", me);
if (advice_resolve_conflict)
/*
* Message used both when 'git commit' fails and when
* other commands doing a merge do.
*/
advise(_("Fix them up in the work tree, and then use 'git add/rm <file>'\n"
"as appropriate to mark resolution and make a commit."));
return -1;
}
void NORETURN die_resolve_conflict(const char *me)
{
error_resolve_conflict(me);
die("Exiting because of an unresolved conflict.");
}
void detach_advice(const char *new_name)
{
const char fmt[] =
"Note: checking out '%s'.\n\n"
"You are in 'detached HEAD' state. You can look around, make experimental\n"
"changes and commit them, and you can discard any commits you make in this\n"
"state without impacting any branches by performing another checkout.\n\n"
"If you want to create a new branch to retain commits you create, you may\n"
"do so (now or later) by using -b with the checkout command again. Example:\n\n"
" git checkout -b new_branch_name\n\n";
fprintf(stderr, fmt, new_name);
}