git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: [PATCH v2 1/5] merge-tree --stdin: flush stdout to avoid deadlock

From
Patrick Steinhardt <ps@pks.im>
Date
Feb 19, 2025, 06:23 UTC
Message-ID
<Z7V48_q3Uu9d0D3Q@pks.im>
In-Reply-To
<3b3179785098580f3336bb24bdbaf0aa1366bfcd.1739895879.git.gitgitgadget@gmail.com>
On Tue, Feb 18, 2025 at 04:24:35PM +0000, Phillip Wood via GitGitGadget wrote:
Show 20 quoted lines
> diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c
> index 9a6c8b4e4cf..57f4340faba 100644
> --- a/builtin/merge-tree.c
> +++ b/builtin/merge-tree.c
> @@ -18,6 +18,7 @@
>  #include "tree.h"
>  #include "config.h"
>  #include "strvec.h"
> +#include "write-or-die.h"
>  
>  static int line_termination = '\n';
>  
> @@ -623,6 +624,7 @@ int cmd_merge_tree(int argc,
>  			} else {
>  				die(_("malformed input line: '%s'."), buf.buf);
>  			}
> +			maybe_flush_or_die(stdout, "stdout");
>  
>  			if (result < 0)
>  				die(_("merging cannot continue; got unclean result of %d"), result);

I was briefly wondering whether we should rather move this into `real_merge()` itself, which is responsible for writing to stdout. But the only other callsite doesn't really care as it will exit immediately anyway. So this is probably fine.

Overall the series looks good to me, thanks!
Patrick
Previous: Phillip Wood via GitGitGadgetNext: Phillip Wood
Message 16 of 25 in “merge-tree --stdin: flush stdout”
  1. 0/5 merge-tree --stdin: flush stdoutPhillip Wood via GitGitGadget, Feb 16, 2025
  2. 2/5 merge-tree: remove redundant codePhillip Wood via GitGitGadget, Feb 16, 2025
  3. Elijah NewrenFeb 17, 2025
  4. Phillip WoodFeb 18, 2025
  5. 1/5 merge-tree --stdin: flush stdout to avoid deadlockPhillip Wood via GitGitGadget, Feb 16, 2025
  6. Elijah NewrenFeb 17, 2025
  7. 3/5 merge-tree: only use basic merge configPhillip Wood via GitGitGadget, Feb 16, 2025
  8. 4/5 merge-tree: improve docs for --stdinPhillip Wood via GitGitGadget, Feb 16, 2025
  9. Elijah NewrenFeb 17, 2025
  10. Phillip WoodFeb 18, 2025
  11. Elijah NewrenFeb 18, 2025
  12. 5/5 merge-tree: fix link formatting in html docsPhillip Wood via GitGitGadget, Feb 16, 2025
  13. Elijah NewrenFeb 17, 2025
  14. 0/5 merge-tree --stdin: flush stdoutPhillip Wood via GitGitGadget, Feb 18, 2025
  15. 1/5 merge-tree --stdin: flush stdout to avoid deadlockPhillip Wood via GitGitGadget, Feb 18, 2025
  16. Patrick SteinhardtFeb 19, 2025
  17. Phillip WoodFeb 19, 2025
  18. Junio C HamanoFeb 19, 2025
  19. 2/5 merge-tree: remove redundant codePhillip Wood via GitGitGadget, Feb 18, 2025
  20. 3/5 merge-tree: only use basic merge configPhillip Wood via GitGitGadget, Feb 18, 2025
  21. 4/5 merge-tree: improve docs for --stdinPhillip Wood via GitGitGadget, Feb 18, 2025
  22. 5/5 merge-tree: fix link formatting in html docsPhillip Wood via GitGitGadget, Feb 18, 2025
  23. Elijah NewrenFeb 18, 2025
  24. Phillip WoodFeb 18, 2025
  25. Junio C HamanoFeb 18, 2025

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.