7 static const char *argv_exec_path
;
8 static const char *argv0_path
;
10 const char *system_path(const char *path
)
12 static const char *prefix
= PREFIX
;
13 struct strbuf d
= STRBUF_INIT
;
15 if (is_absolute_path(path
))
18 strbuf_addf(&d
, "%s/%s", prefix
, path
);
19 path
= strbuf_detach(&d
, NULL
);
23 void git_set_argv0_path(const char *path
)
28 void git_set_argv_exec_path(const char *exec_path
)
30 argv_exec_path
= exec_path
;
34 /* Returns the highest-priority, location to look for git programs. */
35 const char *git_exec_path(void)
40 return argv_exec_path
;
42 env
= getenv(EXEC_PATH_ENVIRONMENT
);
47 return system_path(GIT_EXEC_PATH
);
50 static void add_path(struct strbuf
*out
, const char *path
)
53 if (is_absolute_path(path
))
54 strbuf_addstr(out
, path
);
56 strbuf_addstr(out
, make_nonrelative_path(path
));
58 strbuf_addch(out
, PATH_SEP
);
64 const char *old_path
= getenv("PATH");
65 struct strbuf new_path
= STRBUF_INIT
;
67 add_path(&new_path
, argv_exec_path
);
68 add_path(&new_path
, getenv(EXEC_PATH_ENVIRONMENT
));
69 add_path(&new_path
, system_path(GIT_EXEC_PATH
));
70 add_path(&new_path
, argv0_path
);
73 strbuf_addstr(&new_path
, old_path
);
75 strbuf_addstr(&new_path
, "/usr/local/bin:/usr/bin:/bin");
77 setenv("PATH", new_path
.buf
, 1);
79 strbuf_release(&new_path
);
82 const char **prepare_git_cmd(const char **argv
)
87 for (argc
= 0; argv
[argc
]; argc
++)
89 nargv
= xmalloc(sizeof(*nargv
) * (argc
+ 2));
92 for (argc
= 0; argv
[argc
]; argc
++)
93 nargv
[argc
+ 1] = argv
[argc
];
94 nargv
[argc
+ 1] = NULL
;
98 int execv_git_cmd(const char **argv
) {
99 const char **nargv
= prepare_git_cmd(argv
);
100 trace_argv_printf(nargv
, "trace: exec:");
102 /* execvp() can only ever return if it fails */
103 execvp("git", (char **)nargv
);
105 trace_printf("trace: exec failed: %s\n", strerror(errno
));
112 int execl_git_cmd(const char *cmd
,...)
115 const char *argv
[MAX_ARGS
+ 1];
119 va_start(param
, cmd
);
122 while (argc
< MAX_ARGS
) {
123 arg
= argv
[argc
++] = va_arg(param
, char *);
128 if (MAX_ARGS
<= argc
)
129 return error("too many args to run %s", cmd
);
132 return execv_git_cmd(argv
);