"Andrés G. Aragoneses" <kno...@gmail.com> writes:
> Instead of simply ignoring the value passed to --depth
> option when it is zero or negative, now it is caught
> and reported.
> This will let people know that they were using the
> option incorrectly (as depth<0 should be simply invalid,
> and under the hood depth==0 didn't mean 'no depth' or
> 'no history' but 'full depth' instead).
My initial knee-jerk reaction was: doesn't this change break
existing use to unplug a shallow repository and bring it to a
repository with an unshallow one to disallow depth=0, though?
I somehow thought that the code supports unshallowing with --depth=0
even though since 4dcb167f (fetch: add --unshallow for turning
shallow repo into complete one, 2013-01-11), the officially
supported way to tell Git to unshallow is with that option.
But apparently that is not the case; I do not think depth==0 meant
'full depth' (i.e. "git fetch --depth=0" did not unshallow); it was
simply ignored in fetch_pack.c::find_common() and friends.
So I think it should be a safe change to disallow non-positive depth
like this patch does, but the proposed commit log message may need
> Signed-off-by: Andres G. Aragoneses <kno...@gmail.com>
> transport.c | 2 ++
> 1 file changed, 2 insertions(+)
> diff --git a/transport.c b/transport.c
> index 7202b77..edd63eb 100644
> --- a/transport.c
> +++ b/transport.c
> @@ -483,6 +483,8 @@ static int set_git_option(struct
> git_transport_options *opts,
> opts->depth = strtol(value, &end, 0);
> if (*end)
> die("transport: invalid depth option '%s'",
> + if (opts->depth < 1)
> + die("transport: invalid depth option '%s' (non
> positive)", value);
> return 0;
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