commit-graph.c: ensure graph layers respect core.sharedRepository

[thirdparty/git.git] / connected.c

diff --git a/connected.c b/connected.c
index 1bba888eff90a23e586807fd02b274b8e7fac097..3135b71e1961ae421855ad4b05887c795c437490 100644 (file)
--- a/connected.c
+++ b/connected.c
@@ -1,9 +1,11 @@
 #include "cache.h"
+#include "object-store.h"
 #include "run-command.h"
 #include "sigchain.h"
 #include "connected.h"
 #include "transport.h"
 #include "packfile.h"
+#include "promisor-remote.h"
 
 /*
  * If we feed all the commits we want to verify to this command
@@ -27,6 +29,7 @@ int check_connected(oid_iterate_fn fn, void *cb_data,
        struct packed_git *new_pack = NULL;
        struct transport *transport;
        size_t base_len;
+       const unsigned hexsz = the_hash_algo->hexsz;
 
        if (!opt)
                opt = &defaults;
@@ -49,6 +52,41 @@ int check_connected(oid_iterate_fn fn, void *cb_data,
                strbuf_release(&idx_file);
        }
 
+       if (has_promisor_remote()) {
+               /*
+                * For partial clones, we don't want to have to do a regular
+                * connectivity check because we have to enumerate and exclude
+                * all promisor objects (slow), and then the connectivity check
+                * itself becomes a no-op because in a partial clone every
+                * object is a promisor object. Instead, just make sure we
+                * received, in a promisor packfile, the objects pointed to by
+                * each wanted ref.
+                *
+                * Before checking for promisor packs, be sure we have the
+                * latest pack-files loaded into memory.
+                */
+               reprepare_packed_git(the_repository);
+               do {
+                       struct packed_git *p;
+
+                       for (p = get_all_packs(the_repository); p; p = p->next) {
+                               if (!p->pack_promisor)
+                                       continue;
+                               if (find_pack_entry_one(oid.hash, p))
+                                       goto promisor_pack_found;
+                       }
+                       /*
+                        * Fallback to rev-list with oid and the rest of the
+                        * object IDs provided by fn.
+                        */
+                       goto no_promisor_pack_found;
+promisor_pack_found:
+                       ;
+               } while (!fn(cb_data, &oid));
+               return 0;
+       }
+
+no_promisor_pack_found:
        if (opt->shallow_file) {
                argv_array_push(&rev_list.args, "--shallow-file");
                argv_array_push(&rev_list.args, opt->shallow_file);
@@ -56,13 +94,14 @@ int check_connected(oid_iterate_fn fn, void *cb_data,
        argv_array_push(&rev_list.args,"rev-list");
        argv_array_push(&rev_list.args, "--objects");
        argv_array_push(&rev_list.args, "--stdin");
-       if (repository_format_partial_clone)
+       if (has_promisor_remote())
                argv_array_push(&rev_list.args, "--exclude-promisor-objects");
        if (!opt->is_deepening_fetch) {
                argv_array_push(&rev_list.args, "--not");
                argv_array_push(&rev_list.args, "--all");
        }
        argv_array_push(&rev_list.args, "--quiet");
+       argv_array_push(&rev_list.args, "--alternate-refs");
        if (opt->progress)
                argv_array_pushf(&rev_list.args, "--progress=%s",
                                 _("Checking connectivity"));
@@ -81,7 +120,7 @@ int check_connected(oid_iterate_fn fn, void *cb_data,
 
        sigchain_push(SIGPIPE, SIG_IGN);
 
-       commit[GIT_SHA1_HEXSZ] = '\n';
+       commit[hexsz] = '\n';
        do {
                /*
                 * If index-pack already checked that:
@@ -94,8 +133,8 @@ int check_connected(oid_iterate_fn fn, void *cb_data,
                if (new_pack && find_pack_entry_one(oid.hash, new_pack))
                        continue;
 
-               memcpy(commit, oid_to_hex(&oid), GIT_SHA1_HEXSZ);
-               if (write_in_full(rev_list.in, commit, GIT_SHA1_HEXSZ + 1) < 0) {
+               memcpy(commit, oid_to_hex(&oid), hexsz);
+               if (write_in_full(rev_list.in, commit, hexsz + 1) < 0) {
                        if (errno != EPIPE && errno != EINVAL)
                                error_errno(_("failed write to rev-list"));
                        err = -1;