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[104.178.186.189]) by smtp.gmail.com with ESMTPSA id k3-20020a25ed03000000b00b8f4916294csm2578057ybh.10.2023.05.08.15.00.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 May 2023 15:00:03 -0700 (PDT) Date: Mon, 8 May 2023 18:00:01 -0400 From: Taylor Blau To: git@vger.kernel.org Cc: Jeff King , Derrick Stolee , Junio C Hamano Subject: [PATCH 07/15] refs: plumb `exclude_patterns` argument throughout Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org The subsequent patch will want to access an optional `excluded_patterns` array within refs/packed-backend.c. To do so, the refs subsystem needs to be updated to pass this value across a number of different locations. Prepare for a future patch by introducing this plumbing now, passing NULLs at top-level APIs in order to make that patch less noisy and more easily readable. Signed-off-by: Taylor Blau --- ls-refs.c | 2 +- ref-filter.c | 5 +++-- refs.c | 32 +++++++++++++++++++------------- refs.h | 8 +++++++- refs/debug.c | 5 +++-- refs/files-backend.c | 5 +++-- refs/packed-backend.c | 5 +++-- refs/refs-internal.h | 7 ++++--- revision.c | 2 +- 9 files changed, 44 insertions(+), 27 deletions(-) diff --git a/ls-refs.c b/ls-refs.c index b9f3e08ec3..c7ad39611a 100644 --- a/ls-refs.c +++ b/ls-refs.c @@ -192,7 +192,7 @@ int ls_refs(struct repository *r, struct packet_reader *request) strvec_push(&data.prefixes, ""); refs_for_each_fullref_in_prefixes(get_main_ref_store(r), get_git_namespace(), data.prefixes.v, - send_ref, &data); + NULL, send_ref, &data); packet_fflush(stdout); strvec_clear(&data.prefixes); strbuf_release(&data.buf); diff --git a/ref-filter.c b/ref-filter.c index 93dc9b331f..c8ced1104b 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -2207,12 +2207,13 @@ static int for_each_fullref_in_pattern(struct ref_filter *filter, if (!filter->name_patterns[0]) { /* no patterns; we have to look at everything */ - return for_each_fullref_in("", cb, cb_data); + return refs_for_each_fullref_in(get_main_ref_store(the_repository), + "", NULL, cb, cb_data); } return refs_for_each_fullref_in_prefixes(get_main_ref_store(the_repository), NULL, filter->name_patterns, - cb, cb_data); + NULL, cb, cb_data); } /* diff --git a/refs.c b/refs.c index b9b77d2eff..538bde644e 100644 --- a/refs.c +++ b/refs.c @@ -1526,7 +1526,9 @@ int head_ref(each_ref_fn fn, void *cb_data) struct ref_iterator *refs_ref_iterator_begin( struct ref_store *refs, - const char *prefix, int trim, + const char *prefix, + const char **exclude_patterns, + int trim, enum do_for_each_ref_flags flags) { struct ref_iterator *iter; @@ -1542,8 +1544,7 @@ struct ref_iterator *refs_ref_iterator_begin( } } - iter = refs->be->iterator_begin(refs, prefix, flags); - + iter = refs->be->iterator_begin(refs, prefix, exclude_patterns, flags); /* * `iterator_begin()` already takes care of prefix, but we * might need to do some trimming: @@ -1577,7 +1578,7 @@ static int do_for_each_repo_ref(struct repository *r, const char *prefix, if (!refs) return 0; - iter = refs_ref_iterator_begin(refs, prefix, trim, flags); + iter = refs_ref_iterator_begin(refs, prefix, NULL, trim, flags); return do_for_each_repo_ref_iterator(r, iter, fn, cb_data); } @@ -1599,6 +1600,7 @@ static int do_for_each_ref_helper(struct repository *r, } static int do_for_each_ref(struct ref_store *refs, const char *prefix, + const char **exclude_patterns, each_ref_fn fn, int trim, enum do_for_each_ref_flags flags, void *cb_data) { @@ -1608,7 +1610,8 @@ static int do_for_each_ref(struct ref_store *refs, const char *prefix, if (!refs) return 0; - iter = refs_ref_iterator_begin(refs, prefix, trim, flags); + iter = refs_ref_iterator_begin(refs, prefix, exclude_patterns, trim, + flags); return do_for_each_repo_ref_iterator(the_repository, iter, do_for_each_ref_helper, &hp); @@ -1616,7 +1619,7 @@ static int do_for_each_ref(struct ref_store *refs, const char *prefix, int refs_for_each_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) { - return do_for_each_ref(refs, "", fn, 0, 0, cb_data); + return do_for_each_ref(refs, "", NULL, fn, 0, 0, cb_data); } int for_each_ref(each_ref_fn fn, void *cb_data) @@ -1627,7 +1630,7 @@ int for_each_ref(each_ref_fn fn, void *cb_data) int refs_for_each_ref_in(struct ref_store *refs, const char *prefix, each_ref_fn fn, void *cb_data) { - return do_for_each_ref(refs, prefix, fn, strlen(prefix), 0, cb_data); + return do_for_each_ref(refs, prefix, NULL, fn, strlen(prefix), 0, cb_data); } int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data) @@ -1638,13 +1641,14 @@ int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data) int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data) { return do_for_each_ref(get_main_ref_store(the_repository), - prefix, fn, 0, 0, cb_data); + prefix, NULL, fn, 0, 0, cb_data); } int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, + const char **exclude_patterns, each_ref_fn fn, void *cb_data) { - return do_for_each_ref(refs, prefix, fn, 0, 0, cb_data); + return do_for_each_ref(refs, prefix, exclude_patterns, fn, 0, 0, cb_data); } int for_each_replace_ref(struct repository *r, each_repo_ref_fn fn, void *cb_data) @@ -1661,14 +1665,14 @@ int for_each_namespaced_ref(each_ref_fn fn, void *cb_data) int ret; strbuf_addf(&buf, "%srefs/", get_git_namespace()); ret = do_for_each_ref(get_main_ref_store(the_repository), - buf.buf, fn, 0, 0, cb_data); + buf.buf, NULL, fn, 0, 0, cb_data); strbuf_release(&buf); return ret; } int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data) { - return do_for_each_ref(refs, "", fn, 0, + return do_for_each_ref(refs, "", NULL, fn, 0, DO_FOR_EACH_INCLUDE_BROKEN, cb_data); } @@ -1738,6 +1742,7 @@ static void find_longest_prefixes(struct string_list *out, int refs_for_each_fullref_in_prefixes(struct ref_store *ref_store, const char *namespace, const char **patterns, + const char **exclude_patterns, each_ref_fn fn, void *cb_data) { struct string_list prefixes = STRING_LIST_INIT_DUP; @@ -1753,7 +1758,8 @@ int refs_for_each_fullref_in_prefixes(struct ref_store *ref_store, for_each_string_list_item(prefix, &prefixes) { strbuf_addstr(&buf, prefix->string); - ret = refs_for_each_fullref_in(ref_store, buf.buf, fn, cb_data); + ret = refs_for_each_fullref_in(ref_store, buf.buf, + exclude_patterns, fn, cb_data); if (ret) break; strbuf_setlen(&buf, namespace_len); @@ -2408,7 +2414,7 @@ int refs_verify_refname_available(struct ref_store *refs, strbuf_addstr(&dirname, refname + dirname.len); strbuf_addch(&dirname, '/'); - iter = refs_ref_iterator_begin(refs, dirname.buf, 0, + iter = refs_ref_iterator_begin(refs, dirname.buf, NULL, 0, DO_FOR_EACH_INCLUDE_BROKEN); while ((ok = ref_iterator_advance(iter)) == ITER_OK) { if (skip && diff --git a/refs.h b/refs.h index 123cfa4424..d672d636cf 100644 --- a/refs.h +++ b/refs.h @@ -338,6 +338,7 @@ int for_each_ref(each_ref_fn fn, void *cb_data); int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data); int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, + const char **exclude_patterns, each_ref_fn fn, void *cb_data); int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data); @@ -345,10 +346,15 @@ int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data); * iterate all refs in "patterns" by partitioning patterns into disjoint sets * and iterating the longest-common prefix of each set. * + * references matching any pattern in "exclude_patterns" are omitted from the + * result set on a best-effort basis. + * * callers should be prepared to ignore references that they did not ask for. */ int refs_for_each_fullref_in_prefixes(struct ref_store *refs, - const char *namespace, const char **patterns, + const char *namespace, + const char **patterns, + const char **exclude_patterns, each_ref_fn fn, void *cb_data); /** diff --git a/refs/debug.c b/refs/debug.c index adc34c836f..8131133e99 100644 --- a/refs/debug.c +++ b/refs/debug.c @@ -228,11 +228,12 @@ static struct ref_iterator_vtable debug_ref_iterator_vtable = { static struct ref_iterator * debug_ref_iterator_begin(struct ref_store *ref_store, const char *prefix, - unsigned int flags) + const char **exclude_patterns, unsigned int flags) { struct debug_ref_store *drefs = (struct debug_ref_store *)ref_store; struct ref_iterator *res = - drefs->refs->be->iterator_begin(drefs->refs, prefix, flags); + drefs->refs->be->iterator_begin(drefs->refs, prefix, + exclude_patterns, flags); struct debug_ref_iterator *diter = xcalloc(1, sizeof(*diter)); base_ref_iterator_init(&diter->base, &debug_ref_iterator_vtable, 1); diter->iter = res; diff --git a/refs/files-backend.c b/refs/files-backend.c index d0581ee41a..5fae864334 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -827,7 +827,8 @@ static struct ref_iterator_vtable files_ref_iterator_vtable = { static struct ref_iterator *files_ref_iterator_begin( struct ref_store *ref_store, - const char *prefix, unsigned int flags) + const char *prefix, const char **exclude_patterns, + unsigned int flags) { struct files_ref_store *refs; struct ref_iterator *loose_iter, *packed_iter, *overlay_iter; @@ -872,7 +873,7 @@ static struct ref_iterator *files_ref_iterator_begin( * the packed and loose references. */ packed_iter = refs_ref_iterator_begin( - refs->packed_ref_store, prefix, 0, + refs->packed_ref_store, prefix, exclude_patterns, 0, DO_FOR_EACH_INCLUDE_BROKEN); overlay_iter = overlay_ref_iterator_begin(loose_iter, packed_iter); diff --git a/refs/packed-backend.c b/refs/packed-backend.c index 34c0c4e20f..e54e78e540 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -923,7 +923,8 @@ static struct ref_iterator_vtable packed_ref_iterator_vtable = { static struct ref_iterator *packed_ref_iterator_begin( struct ref_store *ref_store, - const char *prefix, unsigned int flags) + const char *prefix, const char **exclude_patterns, + unsigned int flags) { struct packed_ref_store *refs; struct snapshot *snapshot; @@ -1148,7 +1149,7 @@ static int write_with_updates(struct packed_ref_store *refs, * list of refs is exhausted, set iter to NULL. When the list * of updates is exhausted, leave i set to updates->nr. */ - iter = packed_ref_iterator_begin(&refs->base, "", + iter = packed_ref_iterator_begin(&refs->base, "", NULL, DO_FOR_EACH_INCLUDE_BROKEN); if ((ok = ref_iterator_advance(iter)) != ITER_OK) iter = NULL; diff --git a/refs/refs-internal.h b/refs/refs-internal.h index a85d113123..28a11b9d61 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -367,8 +367,8 @@ int is_empty_ref_iterator(struct ref_iterator *ref_iterator); */ struct ref_iterator *refs_ref_iterator_begin( struct ref_store *refs, - const char *prefix, int trim, - enum do_for_each_ref_flags flags); + const char *prefix, const char **exclude_patterns, + int trim, enum do_for_each_ref_flags flags); /* * A callback function used to instruct merge_ref_iterator how to @@ -570,7 +570,8 @@ typedef int copy_ref_fn(struct ref_store *ref_store, */ typedef struct ref_iterator *ref_iterator_begin_fn( struct ref_store *ref_store, - const char *prefix, unsigned int flags); + const char *prefix, const char **exclude_patterns, + unsigned int flags); /* reflog functions */ diff --git a/revision.c b/revision.c index b33cc1d106..89953592f9 100644 --- a/revision.c +++ b/revision.c @@ -2670,7 +2670,7 @@ static int for_each_bisect_ref(struct ref_store *refs, each_ref_fn fn, struct strbuf bisect_refs = STRBUF_INIT; int status; strbuf_addf(&bisect_refs, "refs/bisect/%s", term); - status = refs_for_each_fullref_in(refs, bisect_refs.buf, fn, cb_data); + status = refs_for_each_fullref_in(refs, bisect_refs.buf, NULL, fn, cb_data); strbuf_release(&bisect_refs); return status; } -- 2.40.1.477.g956c797dfc