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Re: [PATCH v2 5/7] subtree: add git subtree use and ignore commands

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Oct 7, 2020, 16:29 UTC
Message-ID
<nycvar.QRO.7.76.6.2010071812400.50@tvgsbejvaqbjf.bet>
In-Reply-To
<2d103292cecfef3b29d221b3d8f05adb0add4475.1602021913.git.gitgitgadget@gmail.com>
Hi Tom,
On Tue, 6 Oct 2020, Tom Clarkson via GitGitGadget wrote:
Show 9 quoted lines
> @@ -796,20 +810,60 @@ cmd_add_commit () {
>  }
>
>  cmd_map () {
> -	oldrev="$1"
> -	newrev="$2"
>
> -	if test -z "$oldrev"
> +	if test -z "$1"

I'd like to keep the nice name. Maybe if it is `local`, there is no longer a need to replace `$oldrev` by `$1`?

Show 12 quoted lines
>  	then
>  		die "You must provide a revision to map"
>  	fi
>
> +	oldrev=$(git rev-parse --revs-only "$1") || exit $?
> +	newrev=
> +
> +	if test -n "$2"
> +	then
> +		newrev=$(git rev-parse --revs-only "$2") || exit $?
> +	fi
> +

Would it not make more sense to validate the parameters before calling `cmd_map`?

In any case, this strikes me like a subject for another commit.

Thanks, Dscho

P.S.: I'll have to stop reviewing here for the moment, not sure whether I'll come back to it later today or maybe tomorrow.

Show 56 quoted lines
>  	cache_setup || exit $?
>  	cache_set "$oldrev" "$newrev"
>
>  	say "Mapped $oldrev => $newrev"
>  }
>
> +cmd_ignore () {
> +	revs=$(git rev-parse $default --revs-only "$@") || exit $?
> +	ensure_single_rev $revs
> +
> +	say "Ignoring $revs"
> +
> +	cache_setup || exit $?
> +
> +	git rev-list $revs |
> +	while read rev
> +	do
> +		cache_set "$rev" ""
> +	done
> +
> +	echo "$revs" >>"$cachedir/processed"
> +}
> +
> +cmd_use () {
> +	revs=$(git rev-parse $default --revs-only "$@") || exit $?
> +	ensure_single_rev $revs
> +
> +	say "Using existing subtree $revs"
> +
> +	cache_setup || exit $?
> +
> +	git rev-list $revs |
> +	while read rev
> +	do
> +		cache_set "$rev" "$rev"
> +	done
> +
> +	echo "$revs" >>"$cachedir/processed"
> +}
> +
>  cmd_split () {
>  	debug "Splitting $dir..."
>  	cache_setup || exit $?
> @@ -827,7 +881,7 @@ cmd_split () {
>  		done
>  	fi
>
> -	unrevs="$(find_existing_splits "$dir" "$revs")"
> +	unrevs="$(find_existing_splits "$dir" "$revs") $(exclude_processed_refs)"
>
>  	mainline="$(find_mainline_ref "$dir" "$revs")"
>  	if test -n "$mainline"
> --
> gitgitgadget
>
>
Previous: Tom Clarkson via GitGitGadgetNext: Tom Clarkson via GitGitGadget
Message 19 of 28 in “subtree: Fix handling of complex history”
  1. 0/7 subtree: Fix handling of complex historyTom Clarkson via GitGitGadget, May 11, 2020
  2. 1/7 subtree: handle multiple parents passed to cache_missTom Clarkson via GitGitGadget, May 11, 2020
  3. 2/7 subtree: exclude commits predating add from recursive processingTom Clarkson via GitGitGadget, May 11, 2020
  4. 4/7 subtree: add git subtree map commandTom Clarkson via GitGitGadget, May 11, 2020
  5. 3/7 subtree: persist cache between split runsTom Clarkson via GitGitGadget, May 11, 2020
  6. 5/7 subtree: add git subtree use and ignore commandsTom Clarkson via GitGitGadget, May 11, 2020
  7. 7/7 subtree: document new subtree commandsTom Clarkson via GitGitGadget, May 11, 2020
  8. 6/7 subtree: more robustly distinguish subtree and mainline commitsTom Clarkson via GitGitGadget, May 11, 2020
  9. Ed MasteOct 4, 2020
  10. Johannes SchindelinOct 4, 2020
  11. Junio C HamanoOct 5, 2020
  12. Ed MasteOct 5, 2020
  13. Johannes SchindelinOct 7, 2020
  14. 0/7 subtree: Fix handling of complex historyTom Clarkson via GitGitGadget, Oct 6, 2020
  15. 4/7 subtree: add git subtree map commandTom Clarkson via GitGitGadget, Oct 6, 2020
  16. 1/7 subtree: handle multiple parents passed to cache_missTom Clarkson via GitGitGadget, Oct 6, 2020
  17. Ed MasteOct 7, 2020
  18. 5/7 subtree: add git subtree use and ignore commandsTom Clarkson via GitGitGadget, Oct 6, 2020
  19. Johannes SchindelinOct 7, 2020
  20. 6/7 subtree: more robustly distinguish subtree and mainline commitsTom Clarkson via GitGitGadget, Oct 6, 2020
  21. Johannes SchindelinOct 7, 2020
  22. 3/7 subtree: persist cache between split runsTom Clarkson via GitGitGadget, Oct 6, 2020
  23. Johannes SchindelinOct 7, 2020
  24. 2/7 subtree: exclude commits predating add from recursive processingTom Clarkson via GitGitGadget, Oct 6, 2020
  25. Johannes SchindelinOct 7, 2020
  26. 7/7 subtree: document new subtree commandsTom Clarkson via GitGitGadget, Oct 6, 2020
  27. Johannes SchindelinOct 7, 2020
  28. Johannes SchindelinOct 7, 2020

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