7 static const char *builtin_exec_path = GIT_EXEC_PATH;
8 static const char *argv_exec_path;
10 void git_set_argv_exec_path(const char *exec_path)
12 argv_exec_path = exec_path;
16 /* Returns the highest-priority, location to look for git programs. */
17 const char *git_exec_path(void)
22 return argv_exec_path;
24 env = getenv(EXEC_PATH_ENVIRONMENT);
29 return builtin_exec_path;
32 static void add_path(struct strbuf *out, const char *path)
35 if (is_absolute_path(path))
36 strbuf_addstr(out, path);
38 strbuf_addstr(out, make_absolute_path(path));
40 strbuf_addch(out, ':');
44 void setup_path(const char *cmd_path)
46 const char *old_path = getenv("PATH");
47 struct strbuf new_path;
49 strbuf_init(&new_path, 0);
51 add_path(&new_path, argv_exec_path);
52 add_path(&new_path, getenv(EXEC_PATH_ENVIRONMENT));
53 add_path(&new_path, builtin_exec_path);
54 add_path(&new_path, cmd_path);
57 strbuf_addstr(&new_path, old_path);
59 strbuf_addstr(&new_path, "/usr/local/bin:/usr/bin:/bin");
61 setenv("PATH", new_path.buf, 1);
63 strbuf_release(&new_path);
66 int execv_git_cmd(const char **argv)
72 strbuf_addf(&cmd, "git-%s", argv[0]);
75 * argv[0] must be the git command, but the argv array
76 * belongs to the caller, and may be reused in
77 * subsequent loop iterations. Save argv[0] and
78 * restore it on error.
83 trace_argv_printf(argv, "trace: exec:");
85 /* execvp() can only ever return if it fails */
86 execvp(cmd.buf, (char **)argv);
88 trace_printf("trace: exec failed: %s\n", strerror(errno));
98 int execl_git_cmd(const char *cmd,...)
101 const char *argv[MAX_ARGS + 1];
105 va_start(param, cmd);
108 while (argc < MAX_ARGS) {
109 arg = argv[argc++] = va_arg(param, char *);
114 if (MAX_ARGS <= argc)
115 return error("too many args to run %s", cmd);
118 return execv_git_cmd(argv);