On 15 November 2017 at 11:41, Phillip Wood <[email protected]> wrote:
> From: Phillip Wood <[email protected]>
>
> Return an error instead of dying if the index cannot be locked in
> do_recursive_merge() as if the commit cannot be picked it needs to be
> rescheduled when performing an interactive rebase. If the pick is not
> rescheduled and the user runs 'git rebase --continue' rather than 'git
> rebase --abort' then the commit gets silently dropped.

Makes sense. (Your analysis, not the current behavior. ;-) )

> Signed-off-by: Phillip Wood <[email protected]>
> ---
>  sequencer.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/sequencer.c b/sequencer.c
> index 
> 6d027b06c8d8dc69b14d05752637a65aa121ab24..8c10442b84068d3fb7ec809ef1faa0203cb83e60
>  100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -438,7 +438,8 @@ static int do_recursive_merge(struct commit *base, struct 
> commit *next,
>         char **xopt;
>         static struct lock_file index_lock;
>
> -       hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
> +       if (hold_locked_index(&index_lock, LOCK_REPORT_ON_ERROR))
> +               return -1;
>
>         read_cache();

>From the commit message, I would have expected the flags to be zero. This patch
does not only turn off the die-ing, it also tells the lockfile-API to print an
error message before returning. I don't have an opinion on whether that extra
verboseness is good or bad, but if it's wanted, I think the commit message
should mention this change.

Also, don't you want to check "< 0" rather than "!= 0"? If all goes
well, the return value will be a file descriptor. I think that it will
always be non-zero, so I think you'll always return -1 here.

Martin

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