diff options
Diffstat (limited to 'run-command.h')
| -rw-r--r-- | run-command.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/run-command.h b/run-command.h index d6868dc8c8..1103805af1 100644 --- a/run-command.h +++ b/run-command.h @@ -52,7 +52,7 @@ int start_command(struct child_process *); int finish_command(struct child_process *); int run_command(struct child_process *); -extern char *find_hook(const char *name); +extern const char *find_hook(const char *name); LAST_ARG_MUST_BE_NULL extern int run_hook_le(const char *const *env, const char *name, ...); extern int run_hook_ve(const char *const *env, const char *name, va_list args); @@ -71,6 +71,19 @@ int run_command_v_opt(const char **argv, int opt); */ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env); +/** + * Execute the given command, capturing its stdout in the given strbuf. + * Returns -1 if starting the command fails or reading fails, and otherwise + * returns the exit code of the command. The output collected in the + * buffer is kept even if the command returns a non-zero exit. The hint field + * gives a starting size for the strbuf allocation. + * + * The fields of "cmd" should be set up as they would for a normal run_command + * invocation. But note that there is no need to set cmd->out; the function + * sets it up for the caller. + */ +int capture_command(struct child_process *cmd, struct strbuf *buf, size_t hint); + /* * The purpose of the following functions is to feed a pipe by running * a function asynchronously and providing output that the caller reads. |