From: Philip Oakley <philipoakley@iee.org>
Date: Mon, 01 Oct 2012 19:54:59 GMT
Subject: Re: git pull --no-ff documentation
Message-ID: <7EAC0E5241D6431599764E90FA821FCF@PhilipOakley>
In-Reply-To: <7vsj9yerbh.fsf@alter.siamese.dyndns.org>

From: "Junio C Hamano" <gitster@pobox.com>
> 乙酸鋰 <ch3cooli@gmail.com> writes:
>
>> The order of options in git pull is not clear in the documentation
>> It only says
>> git pull [options] [<repository> [<refspec>...]]
>> So we have no idea which options should come first
>>
>> I tried
>> git pull -v --no-tags --progress --no-ff origin
>> but failed with unknown option 'no-ff'.
>>
>> But if I ran
>> git pull -v --no-ff  --no-tags --progress origin
>> it succeeded.
>
> This actually is not about --no-ff but about --no-tags.  Any option
> that "pull" itself does not care about stops the command line parser
> and the remainder of the command line is fed to underlying "fetch".
>

Should this be said within the documentation's synopsis ?

e.g.
git pull [pull_options] [merge_options] [fetch_options [<repository> 
[<refspec>…]]

> Perhaps something like this?  But you should trace the codepath
> involved to see if this covers all uses of the --tags before using
> it for real projects, as I didn't.
>
> git-pull.sh | 21 ++++++++++-----------
> 1 file changed, 10 insertions(+), 11 deletions(-)
>
> diff --git i/git-pull.sh w/git-pull.sh
> index 2a10047..a53c1e5 100755
> --- i/git-pull.sh
> +++ w/git-pull.sh
> @@ -39,7 +39,7 @@ test -z "$(git ls-files -u)" || die_conflict
> test -f "$GIT_DIR/MERGE_HEAD" && die_merge
>
> strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
> -log_arg= verbosity= progress= recurse_submodules=
> +log_arg= verbosity= progress= recurse_submodules= fetch_tags=
> merge_args= edit=
> curr_branch=$(git symbolic-ref -q HEAD)
> curr_branch_short="${curr_branch#refs/heads/}"
> @@ -62,6 +62,8 @@ do
>  progress=--no-progress ;;
>  -n|--no-stat|--no-summary)
>  diffstat=--no-stat ;;
> + -t|--t|--ta|--tag|--tags|--no-tags)
> + fetch_tags="$1" ;;
>  --stat|--summary)
>  diffstat=--stat ;;
>  --log|--no-log)
> @@ -141,15 +143,12 @@ done
>
> error_on_no_merge_candidates () {
>  exec >&2
> - for opt
> - do
> - case "$opt" in
> - -t|--t|--ta|--tag|--tags)
> - echo "Fetching tags only, you probably meant:"
> - echo "  git fetch --tags"
> - exit 1
> - esac
> - done
> + case "$fetch_tags" in
> + -t|--t|--ta|--tag|--tags)
> + echo "Fetching tags only, you probably meant:"
> + echo "  git fetch --tags"
> + exit 1
> + esac
>
>  if test true = "$rebase"
>  then
> @@ -213,7 +212,7 @@ test true = "$rebase" && {
>  done
> }
> orig_head=$(git rev-parse -q --verify HEAD)
> -git fetch $verbosity $progress $dry_run 
> $recurse_submodules --update-head-ok "$@" || exit 1
> +git fetch $verbosity $progress $dry_run $recurse_submodules 
> $fetch_tags --update-head-ok "$@" || exit 1
> test -z "$dry_run" || exit 0
>
> curr_head=$(git rev-parse -q --verify HEAD)
> --
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