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bisect: add parameters to "filter_skipped"
because we will need to get more information from this function in some later patches. The new "int *count" parameter gives the number of commits left after the skipped commit have been filtered out. The new "int *skipped_first" parameter tells us if the first commit in the list has been skipped. Note that using this parameter also changes the behavior of the function if the first commit is indeed skipped. Because we assume that in this case we will want all the filtered commits, not just the first one, even if "show_all" is not set. So using a not NULL "skipped_first" parameter really means that we plan to choose to test another commit than the first non skipped one if the first commit in the list is skipped. That in turn means that, in case the first commit is skipped, we have to return a fully filtered list. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Родитель
e22278c0a0
Коммит
9af3589e0e
40
bisect.c
40
bisect.c
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@ -521,14 +521,34 @@ static char *join_sha1_array_hex(struct sha1_array *array, char delim)
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return strbuf_detach(&joined_hexs, NULL);
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}
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/*
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* In this function, passing a not NULL skipped_first is very special.
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* It means that we want to know if the first commit in the list is
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* skipped because we will want to test a commit away from it if it is
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* indeed skipped.
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* So if the first commit is skipped, we cannot take the shortcut to
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* just "return list" when we find the first non skipped commit, we
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* have to return a fully filtered list.
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*
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* We use (*skipped_first == -1) to mean "it has been found that the
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* first commit is not skipped". In this case *skipped_first is set back
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* to 0 just before the function returns.
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*/
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struct commit_list *filter_skipped(struct commit_list *list,
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struct commit_list **tried,
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int show_all)
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int show_all,
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int *count,
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int *skipped_first)
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{
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struct commit_list *filtered = NULL, **f = &filtered;
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*tried = NULL;
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if (skipped_first)
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*skipped_first = 0;
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if (count)
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*count = 0;
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if (!skipped_revs.sha1_nr)
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return list;
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@ -537,19 +557,31 @@ struct commit_list *filter_skipped(struct commit_list *list,
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list->next = NULL;
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if (0 <= lookup_sha1_array(&skipped_revs,
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list->item->object.sha1)) {
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if (skipped_first && !*skipped_first)
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*skipped_first = 1;
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/* Move current to tried list */
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*tried = list;
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tried = &list->next;
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} else {
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if (!show_all)
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return list;
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if (!show_all) {
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if (!skipped_first || !*skipped_first)
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return list;
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} else if (skipped_first && !*skipped_first) {
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/* This means we know it's not skipped */
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*skipped_first = -1;
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}
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/* Move current to filtered list */
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*f = list;
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f = &list->next;
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if (count)
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(*count)++;
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}
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list = next;
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}
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if (skipped_first && *skipped_first == -1)
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*skipped_first = 0;
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return filtered;
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}
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@ -865,7 +897,7 @@ int bisect_next_all(const char *prefix)
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revs.commits = find_bisection(revs.commits, &reaches, &all,
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!!skipped_revs.sha1_nr);
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revs.commits = filter_skipped(revs.commits, &tried, 0);
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revs.commits = filter_skipped(revs.commits, &tried, 0, NULL, NULL);
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if (!revs.commits) {
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/*
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4
bisect.h
4
bisect.h
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@ -7,7 +7,9 @@ extern struct commit_list *find_bisection(struct commit_list *list,
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extern struct commit_list *filter_skipped(struct commit_list *list,
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struct commit_list **tried,
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int show_all);
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int show_all,
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int *count,
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int *skipped_first);
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extern void print_commit_list(struct commit_list *list,
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const char *format_cur,
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@ -262,7 +262,9 @@ int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
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if (!revs->commits && !(flags & BISECT_SHOW_TRIED))
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return 1;
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revs->commits = filter_skipped(revs->commits, &tried, flags & BISECT_SHOW_ALL);
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revs->commits = filter_skipped(revs->commits, &tried,
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flags & BISECT_SHOW_ALL,
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NULL, NULL);
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/*
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* revs->commits can reach "reaches" commits among
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