diff options
Diffstat (limited to 'upload-pack.c')
| -rw-r--r-- | upload-pack.c | 105 |
1 files changed, 44 insertions, 61 deletions
diff --git a/upload-pack.c b/upload-pack.c index fe96ef1..5c0c0cc 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -9,6 +9,7 @@ #include "diff.h" #include "revision.h" #include "list-objects.h" +#include "run-command.h" static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=nn] <dir>"; @@ -98,16 +99,18 @@ static void show_edge(struct commit *commit) static void create_pack_file(void) { - /* Pipes between rev-list to pack-objects, pack-objects to us - * and pack-objects error stream for progress bar. + /* Pipe from rev-list to pack-objects */ - int lp_pipe[2], pu_pipe[2], pe_pipe[2]; - pid_t pid_rev_list, pid_pack_objects; + int lp_pipe[2]; + pid_t pid_rev_list; + struct child_process pack_objects; int create_full_pack = (nr_our_refs == want_obj.nr && !have_obj.nr); char data[8193], progress[128]; char abort_msg[] = "aborting due to possible repository " "corruption on the remote side."; int buffered = -1; + const char *argv[10]; + int arg = 0; if (pipe(lp_pipe) < 0) die("git-upload-pack: unable to create pipe"); @@ -154,52 +157,32 @@ static void create_pack_file(void) exit(0); } - if (pipe(pu_pipe) < 0) - die("git-upload-pack: unable to create pipe"); - if (pipe(pe_pipe) < 0) - die("git-upload-pack: unable to create pipe"); - pid_pack_objects = fork(); - if (pid_pack_objects < 0) { + /* writable pipe end must not be inherited by pack_objects */ + close(lp_pipe[1]); + + argv[arg++] = "pack-objects"; + argv[arg++] = "--stdout"; + if (!no_progress) + argv[arg++] = "--progress"; + if (use_ofs_delta) + argv[arg++] = "--delta-base-offset"; + argv[arg++] = NULL; + + memset(&pack_objects, 0, sizeof(pack_objects)); + pack_objects.in = lp_pipe[0]; /* start_command closes it */ + pack_objects.out = -1; + pack_objects.err = -1; + pack_objects.git_cmd = 1; + pack_objects.argv = argv; + if (start_command(&pack_objects)) { /* daemon sets things up to ignore TERM */ kill(pid_rev_list, SIGKILL); die("git-upload-pack: unable to fork git-pack-objects"); } - if (!pid_pack_objects) { - const char *argv[10]; - int i = 0; - - dup2(lp_pipe[0], 0); - dup2(pu_pipe[1], 1); - dup2(pe_pipe[1], 2); - - close(lp_pipe[0]); - close(lp_pipe[1]); - close(pu_pipe[0]); - close(pu_pipe[1]); - close(pe_pipe[0]); - close(pe_pipe[1]); - - argv[i++] = "pack-objects"; - argv[i++] = "--stdout"; - if (!no_progress) - argv[i++] = "--progress"; - if (use_ofs_delta) - argv[i++] = "--delta-base-offset"; - argv[i++] = NULL; - - execv_git_cmd(argv); - kill(pid_rev_list, SIGKILL); - die("git-upload-pack: unable to exec git-pack-objects"); - } - - close(lp_pipe[0]); - close(lp_pipe[1]); - /* We read from pe_pipe[0] to capture stderr output for - * progress bar, and pu_pipe[0] to capture the pack data. + /* We read from pack_objects.err to capture stderr output for + * progress bar, and pack_objects.out to capture the pack data. */ - close(pe_pipe[1]); - close(pu_pipe[1]); while (1) { const char *who; @@ -214,14 +197,14 @@ static void create_pack_file(void) pollsize = 0; pe = pu = -1; - if (0 <= pu_pipe[0]) { - pfd[pollsize].fd = pu_pipe[0]; + if (0 <= pack_objects.out) { + pfd[pollsize].fd = pack_objects.out; pfd[pollsize].events = POLLIN; pu = pollsize; pollsize++; } - if (0 <= pe_pipe[0]) { - pfd[pollsize].fd = pe_pipe[0]; + if (0 <= pack_objects.err) { + pfd[pollsize].fd = pack_objects.err; pfd[pollsize].events = POLLIN; pe = pollsize; pollsize++; @@ -254,13 +237,13 @@ static void create_pack_file(void) *cp++ = buffered; outsz++; } - sz = xread(pu_pipe[0], cp, + sz = xread(pack_objects.out, cp, sizeof(data) - outsz); if (0 < sz) ; else if (sz == 0) { - close(pu_pipe[0]); - pu_pipe[0] = -1; + close(pack_objects.out); + pack_objects.out = -1; } else goto fail; @@ -279,13 +262,13 @@ static void create_pack_file(void) /* Status ready; we ship that in the side-band * or dump to the standard error. */ - sz = xread(pe_pipe[0], progress, + sz = xread(pack_objects.err, progress, sizeof(progress)); if (0 < sz) send_client_data(2, progress, sz); else if (sz == 0) { - close(pe_pipe[0]); - pe_pipe[0] = -1; + close(pack_objects.err); + pack_objects.err = -1; } else goto fail; @@ -293,12 +276,12 @@ static void create_pack_file(void) } /* See if the children are still there */ - if (pid_rev_list || pid_pack_objects) { + if (pid_rev_list || pack_objects.pid) { pid = waitpid(-1, &status, WNOHANG); if (!pid) continue; who = ((pid == pid_rev_list) ? "git-rev-list" : - (pid == pid_pack_objects) ? "git-pack-objects" : + (pid == pack_objects.pid) ? "git-pack-objects" : NULL); if (!who) { if (pid < 0) { @@ -317,9 +300,9 @@ static void create_pack_file(void) } if (pid == pid_rev_list) pid_rev_list = 0; - if (pid == pid_pack_objects) - pid_pack_objects = 0; - if (pid_rev_list || pid_pack_objects) + if (pid == pack_objects.pid) + pack_objects.pid = 0; + if (pid_rev_list || pack_objects.pid) continue; } @@ -340,8 +323,8 @@ static void create_pack_file(void) return; } fail: - if (pid_pack_objects) - kill(pid_pack_objects, SIGKILL); + if (pack_objects.pid) + kill(pack_objects.pid, SIGKILL); if (pid_rev_list) kill(pid_rev_list, SIGKILL); send_client_data(3, abort_msg, sizeof(abort_msg)); |