multiple patches per package

[milahu]

ds300#43

[milahu]

ds300#43 (comment)

a good approach to capturing the patch would be similar to git add -p, where you get an interactive prompt for staging the patch. Given that you're already using git under the hood, this actually shouldn't be too much of an undertaking.

before: create simple patch

npx patch-package some-package

this will create one patch file in patches/some-package+1.2.3.patch

after: create multi patch

npx patch-package some-package --multi

this should

init a git repo in node_modules/some-package
copy old patches from patches/some-package/*.patch into the git repo
tell the user how to use the git repo:

pushd node_modules/some-package
git log
git add -p some/file.js
git commit -m "changes 1"
git add -p some/file.js
git commit -m "changes 2"
popd

now the user can copy patches from git to patches/some-package/*.patch

npx patch-package some-package --multi-done

this uses git format-patch to generate the patch files
but ideally, replace the patch numbers with timestamps

on the next call to

npx patch-package some-package

patch-package sees that there are multiple patches in patches/some-package/*.patch
so it automatically starts the "multi" mode
except the user calls

npx patch-package some-package --simple

then the multiple patches are converted into one patch file

as this is an experimental feature, create a backup copy of the user's files