diff options
Diffstat (limited to 'run-command.h')
| -rw-r--r-- | run-command.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/run-command.h b/run-command.h index 44f7d2bd42..275d35c442 100644 --- a/run-command.h +++ b/run-command.h @@ -5,8 +5,12 @@ #include <pthread.h> #endif +#include "argv-array.h" + struct child_process { const char **argv; + struct argv_array args; + struct argv_array env_array; pid_t pid; /* * Using .in, .out, .err: @@ -39,14 +43,25 @@ struct child_process { unsigned stdout_to_stderr:1; unsigned use_shell:1; unsigned clean_on_exit:1; - void (*preexec_cb)(void); }; +#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT, ARGV_ARRAY_INIT } +void child_process_init(struct child_process *); + int start_command(struct child_process *); int finish_command(struct child_process *); +int finish_command_in_signal(struct child_process *); int run_command(struct child_process *); -extern int run_hook(const char *index_file, const char *name, ...); +/* + * Returns the path to the hook file, or NULL if the hook is missing + * or disabled. Note that this points to static storage that will be + * overwritten by further calls to find_hook and run_hook_*. + */ +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); #define RUN_COMMAND_NO_STDIN 1 #define RUN_GIT_CMD 2 /*If this is to be git sub-command */ @@ -62,6 +77,19 @@ 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. |