Say when --track is useful in the git-checkout docs.

diff --git a/run-command.h b/run-command.h
index 2646d38ac7d3b4f301744fd61732e7c437ea80a5..7958eb1e0b7a927019460e06d7a01622eddf81df 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -4,15 +4,42 @@
 enum {
        ERR_RUN_COMMAND_FORK = 10000,
        ERR_RUN_COMMAND_EXEC,
+       ERR_RUN_COMMAND_PIPE,
        ERR_RUN_COMMAND_WAITPID,
        ERR_RUN_COMMAND_WAITPID_WRONG_PID,
        ERR_RUN_COMMAND_WAITPID_SIGNAL,
        ERR_RUN_COMMAND_WAITPID_NOEXIT,
 };
 
+struct child_process {
+       const char **argv;
+       pid_t pid;
+       int in;
+       int out;
+       const char *dir;
+       const char *const *env;
+       unsigned close_in:1;
+       unsigned close_out:1;
+       unsigned no_stdin:1;
+       unsigned no_stdout:1;
+       unsigned git_cmd:1; /* if this is to be git sub-command */
+       unsigned stdout_to_stderr:1;
+};
+
+int start_command(struct child_process *);
+int finish_command(struct child_process *);
+int run_command(struct child_process *);
+
 #define RUN_COMMAND_NO_STDIN 1
 #define RUN_GIT_CMD         2  /*If this is to be git sub-command */
 #define RUN_COMMAND_STDOUT_TO_STDERR 4
 int run_command_v_opt(const char **argv, int opt);
+int run_command_v_opt_cd(const char **argv, int opt, const char *dir);
+
+/*
+ * env (the environment) is to be formatted like environ: "VAR=VALUE".
+ * To unset an environment variable use just "VAR".
+ */
+int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
 
 #endif