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-rw-r--r--fetch-pack.c47
1 files changed, 43 insertions, 4 deletions
diff --git a/fetch-pack.c b/fetch-pack.c
index 947da54..b9e63b5 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -754,8 +754,33 @@ static int sideband_demux(int in, int out, void *data)
return ret;
}
+static void write_promisor_file(const char *keep_name,
+ struct ref **sought, int nr_sought)
+{
+ struct strbuf promisor_name = STRBUF_INIT;
+ int suffix_stripped;
+ FILE *output;
+ int i;
+
+ strbuf_addstr(&promisor_name, keep_name);
+ suffix_stripped = strbuf_strip_suffix(&promisor_name, ".keep");
+ if (!suffix_stripped)
+ BUG("name of pack lockfile should end with .keep (was '%s')",
+ keep_name);
+ strbuf_addstr(&promisor_name, ".promisor");
+
+ output = xfopen(promisor_name.buf, "w");
+ for (i = 0; i < nr_sought; i++)
+ fprintf(output, "%s %s\n", oid_to_hex(&sought[i]->old_oid),
+ sought[i]->name);
+ fclose(output);
+
+ strbuf_release(&promisor_name);
+}
+
static int get_pack(struct fetch_pack_args *args,
- int xd[2], char **pack_lockfile)
+ int xd[2], char **pack_lockfile,
+ struct ref **sought, int nr_sought)
{
struct async demux;
int do_keep = args->keep_pack;
@@ -817,7 +842,13 @@ static int get_pack(struct fetch_pack_args *args,
}
if (args->check_self_contained_and_connected)
argv_array_push(&cmd.args, "--check-self-contained-and-connected");
- if (args->from_promisor)
+ /*
+ * If we're obtaining the filename of a lockfile, we'll use
+ * that filename to write a .promisor file with more
+ * information below. If not, we need index-pack to do it for
+ * us.
+ */
+ if (!(do_keep && pack_lockfile) && args->from_promisor)
argv_array_push(&cmd.args, "--promisor");
}
else {
@@ -871,6 +902,14 @@ static int get_pack(struct fetch_pack_args *args,
die(_("%s failed"), cmd_name);
if (use_sideband && finish_async(&demux))
die(_("error in sideband demultiplexer"));
+
+ /*
+ * Now that index-pack has succeeded, write the promisor file using the
+ * obtained .keep filename if necessary
+ */
+ if (do_keep && pack_lockfile && args->from_promisor)
+ write_promisor_file(*pack_lockfile, sought, nr_sought);
+
return 0;
}
@@ -1006,7 +1045,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
alternate_shallow_file = setup_temporary_shallow(si->shallow);
else
alternate_shallow_file = NULL;
- if (get_pack(args, fd, pack_lockfile))
+ if (get_pack(args, fd, pack_lockfile, sought, nr_sought))
die(_("git fetch-pack: fetch failed."));
all_done:
@@ -1453,7 +1492,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
/* get the pack */
process_section_header(&reader, "packfile", 0);
- if (get_pack(args, fd, pack_lockfile))
+ if (get_pack(args, fd, pack_lockfile, sought, nr_sought))
die(_("git fetch-pack: fetch failed."));
state = FETCH_DONE;