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-rw-r--r--fast-import.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/fast-import.c b/fast-import.c
index 9fc7093406..4fb464c1ef 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -166,6 +166,7 @@ Format of STDIN stream:
#include "quote.h"
#include "exec_cmd.h"
#include "dir.h"
+#include "run-command.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
@@ -282,6 +283,7 @@ struct recent_command {
/* Configured limits on output */
static unsigned long max_depth = 10;
static off_t max_packsize;
+static int unpack_limit = 100;
static int force_update;
static int pack_compression_level = Z_DEFAULT_COMPRESSION;
static int pack_compression_seen;
@@ -950,6 +952,23 @@ static void unkeep_all_packs(void)
}
}
+static int loosen_small_pack(const struct packed_git *p)
+{
+ struct child_process unpack = CHILD_PROCESS_INIT;
+
+ if (lseek(p->pack_fd, 0, SEEK_SET) < 0)
+ die_errno("Failed seeking to start of '%s'", p->pack_name);
+
+ unpack.in = p->pack_fd;
+ unpack.git_cmd = 1;
+ unpack.stdout_to_stderr = 1;
+ argv_array_push(&unpack.args, "unpack-objects");
+ if (!show_stats)
+ argv_array_push(&unpack.args, "-q");
+
+ return run_command(&unpack);
+}
+
static void end_packfile(void)
{
static int running;
@@ -972,6 +991,12 @@ static void end_packfile(void)
fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
pack_data->pack_name, object_count,
cur_pack_sha1, pack_size);
+
+ if (object_count <= unpack_limit) {
+ if (!loosen_small_pack(pack_data))
+ goto discard_pack;
+ }
+
close(pack_data->pack_fd);
idx_name = keep_pack(create_index());
@@ -1002,6 +1027,7 @@ static void end_packfile(void)
pack_id++;
}
else {
+discard_pack:
close(pack_data->pack_fd);
unlink_or_warn(pack_data->pack_name);
}
@@ -3317,6 +3343,7 @@ static void parse_option(const char *option)
static void git_pack_config(void)
{
int indexversion_value;
+ int limit;
unsigned long packsizelimit_value;
if (!git_config_get_ulong("pack.depth", &max_depth)) {
@@ -3341,6 +3368,11 @@ static void git_pack_config(void)
if (!git_config_get_ulong("pack.packsizelimit", &packsizelimit_value))
max_packsize = packsizelimit_value;
+ if (!git_config_get_int("fastimport.unpacklimit", &limit))
+ unpack_limit = limit;
+ else if (!git_config_get_int("transfer.unpacklimit", &limit))
+ unpack_limit = limit;
+
git_config(git_default_config, NULL);
}