#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT, ARGV_ARRAY_INIT }
void child_process_init(struct child_process *);
+void child_process_clear(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 char *find_hook(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);
*/
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.