7 static const char *argv_exec_path
;
9 static const char *builtin_exec_path(void)
20 len
= strlen(_pgmptr
);
24 p
= ep
= xmalloc(len
+1);
27 /* copy program name, turn '\\' into '/', skip last part */
29 if (*q
== '\\' || *q
== '/') {
38 ep
[0] = '.', ep
[1] = '\0';
43 void git_set_argv_exec_path(const char *exec_path
)
45 argv_exec_path
= exec_path
;
49 /* Returns the highest-priority, location to look for git programs. */
50 const char *git_exec_path(void)
55 return argv_exec_path
;
57 env
= getenv(EXEC_PATH_ENVIRONMENT
);
62 return builtin_exec_path();
65 static void add_path(struct strbuf
*out
, const char *path
)
68 if (is_absolute_path(path
))
69 strbuf_addstr(out
, path
);
71 strbuf_addstr(out
, make_absolute_path(path
));
74 strbuf_addch(out
, ';');
76 strbuf_addch(out
, ':');
81 void setup_path(const char *cmd_path
)
83 const char *old_path
= getenv("PATH");
84 struct strbuf new_path
;
86 strbuf_init(&new_path
, 0);
88 add_path(&new_path
, argv_exec_path
);
89 add_path(&new_path
, getenv(EXEC_PATH_ENVIRONMENT
));
90 add_path(&new_path
, builtin_exec_path());
91 add_path(&new_path
, cmd_path
);
94 strbuf_addstr(&new_path
, old_path
);
96 strbuf_addstr(&new_path
, "/usr/local/bin:/usr/bin:/bin");
98 setenv("PATH", new_path
.buf
, 1);
100 strbuf_release(&new_path
);
103 int execv_git_cmd(const char **argv
)
108 strbuf_init(&cmd
, 0);
109 strbuf_addf(&cmd
, "git-%s", argv
[0]);
112 * argv[0] must be the git command, but the argv array
113 * belongs to the caller, and may be reused in
114 * subsequent loop iterations. Save argv[0] and
115 * restore it on error.
120 trace_argv_printf(argv
, "trace: exec:");
122 /* execvp() can only ever return if it fails */
123 execvp(cmd
.buf
, (char **)argv
);
125 trace_printf("trace: exec failed: %s\n", strerror(errno
));
129 strbuf_release(&cmd
);
135 int execl_git_cmd(const char *cmd
,...)
138 const char *argv
[MAX_ARGS
+ 1];
142 va_start(param
, cmd
);
145 while (argc
< MAX_ARGS
) {
146 arg
= argv
[argc
++] = va_arg(param
, char *);
151 if (MAX_ARGS
<= argc
)
152 return error("too many args to run %s", cmd
);
155 return execv_git_cmd(argv
);