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unpack-trees: add progress to clear_ce_flags() 

When a large repository has many sparse-checkout patterns, the
process for updating the skip-worktree bits can take long enough
that a user gets confused why nothing is happening. Update the
clear_ce_flags() method to write progress.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2019-11-21 22:04:44 +00:00 committed by Junio C Hamano
parent eb42feca97
commit 4dcd4def3c
2 changed files with 43 additions and 15 deletions
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2
cache.h
View File

@ -304,6 +304,7 @@ static inline unsigned int canon_mode(unsigned int mode)
struct split_index;
struct untracked_cache;
struct progress;
struct index_state {
struct cache_entry **cache;
@ -326,6 +327,7 @@ struct index_state {
uint64_t fsmonitor_last_update;
struct ewah_bitmap *fsmonitor_dirty;
struct mem_pool *ce_mem_pool;
struct progress *progress;
};
/* Name hashing */

56
unpack-trees.c
View File

@ -1269,7 +1269,8 @@ static int clear_ce_flags_1(struct index_state *istate,
struct strbuf *prefix,
int select_mask, int clear_mask,
struct pattern_list *pl,
enum pattern_match_result default_match);
enum pattern_match_result default_match,
int progress_nr);
/* Whole directory matching */
static int clear_ce_flags_dir(struct index_state *istate,
@ -1278,7 +1279,8 @@ static int clear_ce_flags_dir(struct index_state *istate,
char *basename,
int select_mask, int clear_mask,
struct pattern_list *pl,
enum pattern_match_result default_match)
enum pattern_match_result default_match,
int progress_nr)
{
struct cache_entry **cache_end;
int dtype = DT_DIR;
@ -1315,7 +1317,8 @@ static int clear_ce_flags_dir(struct index_state *istate,
rc = clear_ce_flags_1(istate, cache, cache_end - cache,
prefix,
select_mask, clear_mask,
pl, ret);
pl, ret,
progress_nr);
}
strbuf_setlen(prefix, prefix->len - 1);
@ -1342,7 +1345,8 @@ static int clear_ce_flags_1(struct index_state *istate,
struct strbuf *prefix,
int select_mask, int clear_mask,
struct pattern_list *pl,
enum pattern_match_result default_match)
enum pattern_match_result default_match,
int progress_nr)
{
struct cache_entry **cache_end = cache + nr;
@ -1356,8 +1360,11 @@ static int clear_ce_flags_1(struct index_state *istate,
int len, dtype;
enum pattern_match_result ret;
display_progress(istate->progress, progress_nr);
if (select_mask && !(ce->ce_flags & select_mask)) {
cache++;
progress_nr++;
continue;
}
@ -1378,20 +1385,26 @@ static int clear_ce_flags_1(struct index_state *istate,
prefix,
prefix->buf + prefix->len - len,
select_mask, clear_mask,
pl, default_match);
pl, default_match,
progress_nr);
/* clear_c_f_dir eats a whole dir already? */
if (processed) {
cache += processed;
progress_nr += processed;
strbuf_setlen(prefix, prefix->len - len);
continue;
}
strbuf_addch(prefix, '/');
cache += clear_ce_flags_1(istate, cache, cache_end - cache,
prefix,
select_mask, clear_mask, pl,
default_match);
processed = clear_ce_flags_1(istate, cache, cache_end - cache,
prefix,
select_mask, clear_mask, pl,
default_match, progress_nr);
cache += processed;
progress_nr += processed;
strbuf_setlen(prefix, prefix->len - len - 1);
continue;
}
@ -1406,19 +1419,27 @@ static int clear_ce_flags_1(struct index_state *istate,
if (ret == MATCHED)
ce->ce_flags &= ~clear_mask;
cache++;
progress_nr++;
}
display_progress(istate->progress, progress_nr);
return nr - (cache_end - cache);
}
static int clear_ce_flags(struct index_state *istate,
int select_mask, int clear_mask,
struct pattern_list *pl)
struct pattern_list *pl,
int show_progress)
{
static struct strbuf prefix = STRBUF_INIT;
char label[100];
int rval;
strbuf_reset(&prefix);
if (show_progress)
istate->progress = start_delayed_progress(
_("Updating index flags"),
istate->cache_nr);
xsnprintf(label, sizeof(label), "clear_ce_flags(0x%08lx,0x%08lx)",
(unsigned long)select_mask, (unsigned long)clear_mask);
@ -1428,9 +1449,10 @@ static int clear_ce_flags(struct index_state *istate,
istate->cache_nr,
&prefix,
select_mask, clear_mask,
pl, 0);
pl, 0, 0);
trace2_region_leave("unpack_trees", label, the_repository);
stop_progress(&istate->progress);
return rval;
}
@ -1439,7 +1461,8 @@ static int clear_ce_flags(struct index_state *istate,
*/
static void mark_new_skip_worktree(struct pattern_list *pl,
struct index_state *istate,
int select_flag, int skip_wt_flag)
int select_flag, int skip_wt_flag,
int show_progress)
{
int i;
@ -1463,7 +1486,7 @@ static void mark_new_skip_worktree(struct pattern_list *pl,
* 2. Widen worktree according to sparse-checkout file.
* Matched entries will have skip_wt_flag cleared (i.e. "in")
*/
clear_ce_flags(istate, select_flag, skip_wt_flag, pl);
clear_ce_flags(istate, select_flag, skip_wt_flag, pl, show_progress);
}
static int verify_absent(const struct cache_entry *,
@ -1525,7 +1548,8 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
* Sparse checkout loop #1: set NEW_SKIP_WORKTREE on existing entries
*/
if (!o->skip_sparse_checkout)
mark_new_skip_worktree(o->pl, o->src_index, 0, CE_NEW_SKIP_WORKTREE);
mark_new_skip_worktree(o->pl, o->src_index, 0,
CE_NEW_SKIP_WORKTREE, o->verbose_update);
if (!dfc)
dfc = xcalloc(1, cache_entry_size(0));
@ -1590,7 +1614,9 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
* If the will have NEW_SKIP_WORKTREE, also set CE_SKIP_WORKTREE
* so apply_sparse_checkout() won't attempt to remove it from worktree
*/
mark_new_skip_worktree(o->pl, &o->result, CE_ADDED, CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE);
mark_new_skip_worktree(o->pl, &o->result,
CE_ADDED, CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE,
o->verbose_update);
ret = 0;
for (i = 0; i < o->result.cache_nr; i++) {