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unpack-trees: make dir an internal-only struct 

Avoid accidental misuse or confusion over ownership by clearly making
unpack_trees_options.dir an internal-only variable.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Elijah Newren 2021-09-27 16:33:42 +00:00 committed by Junio C Hamano
parent 04988c8d18
commit c42e0b6409
2 changed files with 6 additions and 3 deletions
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7
unpack-trees.c
View File

@ -1692,9 +1692,12 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
static struct cache_entry *dfc;
struct pattern_list pl;
int free_pattern_list = 0;
struct dir_struct dir = DIR_INIT;

if (len > MAX_UNPACK_TREES)
die("unpack_trees takes at most %d trees", MAX_UNPACK_TREES);
if (o->dir)
BUG("o->dir is for internal use only");

trace_performance_enter();
trace2_region_enter("unpack_trees", "unpack_trees", the_repository);
@ -1706,7 +1709,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
}

if (!o->preserve_ignored) {
CALLOC_ARRAY(o->dir, 1);
o->dir = &dir;
o->dir->flags |= DIR_SHOW_IGNORED;
setup_standard_excludes(o->dir);
}
@ -1874,7 +1877,7 @@ done:
clear_pattern_list(&pl);
if (o->dir) {
dir_clear(o->dir);
FREE_AND_NULL(o->dir);
o->dir = NULL;
}
trace2_region_leave("unpack_trees", "unpack_trees", the_repository);
trace_performance_leave("unpack_trees");

2
unpack-trees.h
View File

@ -67,7 +67,6 @@ struct unpack_trees_options {
dry_run;
const char *prefix;
int cache_bottom;
struct dir_struct *dir;
struct pathspec *pathspec;
merge_fn_t fn;
const char *msgs[NB_UNPACK_TREES_WARNING_TYPES];
@ -89,6 +88,7 @@ struct unpack_trees_options {
struct index_state result;

struct pattern_list *pl; /* for internal use */
struct dir_struct *dir; /* for internal use only */
struct checkout_metadata meta;
};