freshlybakedca.ke
Git fork
1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "common-init.h"
5#include "exec-cmd.h"
6#include "gettext.h"
7#include "attr.h"
8#include "repository.h"
9#include "setup.h"
10#include "strbuf.h"
11#include "trace2.h"
12
13/*
14 * Many parts of Git have subprograms communicate via pipe, expect the
15 * upstream of a pipe to die with SIGPIPE when the downstream of a
16 * pipe does not need to read all that is written. Some third-party
17 * programs that ignore or block SIGPIPE for their own reason forget
18 * to restore SIGPIPE handling to the default before spawning Git and
19 * break this carefully orchestrated machinery.
20 *
21 * Restore the way SIGPIPE is handled to default, which is what we
22 * expect.
23 */
24static void restore_sigpipe_to_default(void)
25{
26 sigset_t unblock;
27
28 sigemptyset(&unblock);
29 sigaddset(&unblock, SIGPIPE);
30 sigprocmask(SIG_UNBLOCK, &unblock, NULL);
31 signal(SIGPIPE, SIG_DFL);
32}
33
34void init_git(const char **argv)
35{
36 struct strbuf tmp = STRBUF_INIT;
37
38 trace2_initialize_clock();
39
40 /*
41 * Always open file descriptors 0/1/2 to avoid clobbering files
42 * in die(). It also avoids messing up when the pipes are dup'ed
43 * onto stdin/stdout/stderr in the child processes we spawn.
44 */
45 sanitize_stdfds();
46 restore_sigpipe_to_default();
47
48 git_resolve_executable_dir(argv[0]);
49
50 setlocale(LC_CTYPE, "");
51 git_setup_gettext();
52
53 initialize_repository(the_repository);
54
55 attr_start();
56
57 trace2_initialize();
58 trace2_cmd_start(argv);
59 trace2_collect_process_info(TRACE2_PROCESS_INFO_STARTUP);
60
61 if (!strbuf_getcwd(&tmp))
62 tmp_original_cwd = strbuf_detach(&tmp, NULL);
63}