xdiff: generate "anti-diffs" aka what is common to two files

diff --git a/run-command.c b/run-command.c
index 8bf5922fc3b30d06ca7336a8df18a12c389c8681..ca67ee9333e1f4125678fe607f44d75becc3cf7e 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -1,8 +1,9 @@
 #include "cache.h"
 #include "run-command.h"
 #include <sys/wait.h>
+#include "exec_cmd.h"
 
-int run_command_v_opt(int argc, char **argv, int flags)
+int run_command_v_opt(int argc, const char **argv, int flags)
 {
        pid_t pid = fork();
 
@@ -13,9 +14,13 @@ int run_command_v_opt(int argc, char **argv, int flags)
                        int fd = open("/dev/null", O_RDWR);
                        dup2(fd, 0);
                        dup2(fd, 1);
-                       close(fd);                      
+                       close(fd);
+               }
+               if (flags & RUN_GIT_CMD) {
+                       execv_git_cmd(argv);
+               } else {
+                       execvp(argv[0], (char *const*) argv);
                }
-               execvp(argv[0], (char *const*) argv);
                die("exec %s failed.", argv[0]);
        }
        for (;;) {
@@ -42,7 +47,7 @@ int run_command_v_opt(int argc, char **argv, int flags)
        }
 }
 
-int run_command_v(int argc, char **argv)
+int run_command_v(int argc, const char **argv)
 {
        return run_command_v_opt(argc, argv, 0);
 }
@@ -50,7 +55,7 @@ int run_command_v(int argc, char **argv)
 int run_command(const char *cmd, ...)
 {
        int argc;
-       char *argv[MAX_RUN_COMMAND_ARGS];
+       const char *argv[MAX_RUN_COMMAND_ARGS];
        const char *arg;
        va_list param;