diff options
-rw-r--r-- | fetch-pack.c | 91 |
1 files changed, 59 insertions, 32 deletions
diff --git a/fetch-pack.c b/fetch-pack.c index 3546aef7bc..dd67e48fc7 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -4,9 +4,11 @@ #include "commit.h" #include "tag.h" #include "exec_cmd.h" +#include "pack.h" #include "sideband.h" static int keep_pack; +static int keep_auto; static int quiet; static int verbose; static int fetch_all; @@ -486,13 +488,58 @@ static pid_t setup_sideband(int fd[2], int xd[2]) return side_pid; } -static int get_pack(int xd[2], const char **argv) +static int get_pack(int xd[2]) { int status; pid_t pid, side_pid; int fd[2]; + const char *argv[20]; + char keep_arg[256]; + char hdr_arg[256]; + const char **av; + int do_keep = keep_pack; side_pid = setup_sideband(fd, xd); + + av = argv; + *hdr_arg = 0; + if (keep_auto) { + struct pack_header header; + + if (read_pack_header(fd[0], &header)) + die("protocol error: bad pack header"); + snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u", + ntohl(header.hdr_version), ntohl(header.hdr_entries)); + if (ntohl(header.hdr_entries) < keep_auto) + do_keep = 0; + else + do_keep = 1; + } + + if (do_keep) { + *av++ = "index-pack"; + *av++ = "--stdin"; + if (!quiet) + *av++ = "-v"; + if (use_thin_pack) + *av++ = "--fix-thin"; + if (keep_pack > 1 || keep_auto) { + int s = sprintf(keep_arg, + "--keep=fetch-pack %d on ", getpid()); + if (gethostname(keep_arg + s, sizeof(keep_arg) - s)) + strcpy(keep_arg + s, "localhost"); + *av++ = keep_arg; + } + } + else { + *av++ = "unpack-objects"; + if (quiet) + *av++ = "-q"; + } + if (*hdr_arg) + *av++ = hdr_arg; + *av++ = NULL; + pid = fork(); if (pid < 0) die("fetch-pack: unable to fork off %s", argv[0]); @@ -522,39 +569,10 @@ static int get_pack(int xd[2], const char **argv) die("%s died of unnatural causes %d", argv[0], status); } -static int explode_rx_pack(int xd[2]) -{ - const char *argv[3] = { "unpack-objects", quiet ? "-q" : NULL, NULL }; - return get_pack(xd, argv); -} - -static int keep_rx_pack(int xd[2]) -{ - const char *argv[6]; - char keep_arg[256]; - int n = 0; - - argv[n++] = "index-pack"; - argv[n++] = "--stdin"; - if (!quiet) - argv[n++] = "-v"; - if (use_thin_pack) - argv[n++] = "--fix-thin"; - if (keep_pack > 1) { - int s = sprintf(keep_arg, "--keep=fetch-pack %i on ", getpid()); - if (gethostname(keep_arg + s, sizeof(keep_arg) - s)) - strcpy(keep_arg + s, "localhost"); - argv[n++] = keep_arg; - } - argv[n] = NULL; - return get_pack(xd, argv); -} - static int fetch_pack(int fd[2], int nr_match, char **match) { struct ref *ref; unsigned char sha1[20]; - int status; get_remote_heads(fd[0], &ref, 0, NULL, 0); if (is_repository_shallow() && !server_supports("shallow")) @@ -589,8 +607,7 @@ static int fetch_pack(int fd[2], int nr_match, char **match) */ fprintf(stderr, "warning: no common commits\n"); - status = (keep_pack) ? keep_rx_pack(fd) : explode_rx_pack(fd); - if (status) + if (get_pack(fd)) die("git-fetch-pack: fetch failed."); all_done: @@ -659,6 +676,16 @@ int main(int argc, char **argv) keep_pack++; continue; } + if (!strcmp("--keep-auto", arg)) { + keep_auto = 100; + continue; + } + if (!strncmp("--keep-auto=", arg, 12)) { + keep_auto = strtoul(arg + 12, NULL, 0); + if (keep_auto < 20) + keep_auto = 20; + continue; + } if (!strcmp("--thin", arg)) { use_thin_pack = 1; continue; |