diff options
Diffstat (limited to 'run-command.c')
| -rw-r--r-- | run-command.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/run-command.c b/run-command.c index 3afb124c79..4d73e90fad 100644 --- a/run-command.c +++ b/run-command.c @@ -557,7 +557,12 @@ int finish_command(struct child_process *cmd) int run_command(struct child_process *cmd) { - int code = start_command(cmd); + int code; + + if (cmd->out < 0 || cmd->err < 0) + die("BUG: run_command with a pipe can cause deadlock"); + + code = start_command(cmd); if (code) return code; return finish_command(cmd); @@ -790,9 +795,9 @@ int finish_async(struct async *async) #endif } -char *find_hook(const char *name) +const char *find_hook(const char *name) { - char *path = git_path("hooks/%s", name); + const char *path = git_path("hooks/%s", name); if (access(path, X_OK) < 0) path = NULL; @@ -829,3 +834,19 @@ int run_hook_le(const char *const *env, const char *name, ...) return ret; } + +int capture_command(struct child_process *cmd, struct strbuf *buf, size_t hint) +{ + cmd->out = -1; + if (start_command(cmd) < 0) + return -1; + + if (strbuf_read(buf, cmd->out, hint) < 0) { + close(cmd->out); + finish_command(cmd); /* throw away exit code */ + return -1; + } + + close(cmd->out); + return finish_command(cmd); +} |