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-rw-r--r--run-command.h32
1 files changed, 27 insertions, 5 deletions
diff --git a/run-command.h b/run-command.h
index 3653bfa6e1..629fab7ae0 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:
@@ -41,19 +45,23 @@ struct child_process {
unsigned clean_on_exit:1;
};
+#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 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);
-LAST_ARG_MUST_BE_NULL
-__attribute__((deprecated))
-extern int run_hook_with_custom_index(const char *index_file, const char *name, ...);
-
#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
@@ -68,6 +76,19 @@ 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.
@@ -97,5 +118,6 @@ struct async {
int start_async(struct async *async);
int finish_async(struct async *async);
+int in_async(void);
#endif