doc: exclude commits with baking-for-lts

PR-URL: #52896
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ruy Adorno <ruy@vlt.sh>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

Author: marco-ippolito

doc/contributing/releases.md

@@ -153,7 +153,9 @@ git reset --hard upstream/v1.x-staging
 If the staging branch is not up to date relative to `main`, bring the
 appropriate PRs and commits into it.
 
-Go through PRs with the label `vN.x`. e.g. [PRs with the `v8.x` label](https://github.com/nodejs/node/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3Av8.x).
+Go through PRs with the label `vN.x`. e.g. [PRs with the
+`v8.x` label](https://github.com/nodejs/node/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3Av8.x)
+and `baking-for-lts` label if preparing a release for an LTS line.
 
 For each PR:
 
@@ -162,6 +164,8 @@ For each PR:
 * Check that the commit metadata was not changed from the `main` commit.
 * If there are merge conflicts, ask the PR author to rebase.
   Simple conflicts can be resolved when landing.
+* If `baking-for-lts` is present, check if the PR is ready to be landed.
+  If it is, remove the `baking-for-lts` label.
 
 When landing the PR add the `Backport-PR-URL:` line to each commit. Close the
 backport PR with `Landed in ...`. Update the label on the original PR from
@@ -188,6 +192,12 @@ For a list of commits that could be landed in a minor release on v1.x:
 N=1 sh -c 'branch-diff v$N.x-staging upstream/main --exclude-label=semver-major,dont-land-on-v$N.x,backport-requested-v$N.x,backport-blocked-v$N.x,backport-open-v$N.x,backported-to-v$N.x --filter-release --format=simple'
 ```
 
+If the target branch is an LTS line, you should also exclude the `baking-for-lts`:
+
+```bash
+N=1 sh -c 'branch-diff v$N.x-staging upstream/main --exclude-label=semver-major,dont-land-on-v$N.x,backport-requested-v$N.x,backport-blocked-v$N.x,backport-open-v$N.x,backported-to-v$N.x,baking-for-lts --filter-release --format=simple'
+```
+
 Previously released commits and version bumps do not need to be
 cherry-picked.
 
@@ -207,6 +217,12 @@ command.
 N=1 sh -c 'branch-diff v$N.x-staging upstream/main --exclude-label=semver-major,dont-land-on-v$N.x,backport-requested-v$N.x,backport-blocked-v$N.x,backport-open-v$N.x,backported-to-v$N.x --filter-release --format=sha --reverse' | xargs git cherry-pick -S
 ```
 
+If the target branch is an LTS line, you should also exclude the `baking-for-lts`:
+
+```bash
+N=1 sh -c 'branch-diff v$N.x-staging upstream/main --exclude-label=semver-major,dont-land-on-v$N.x,backport-requested-v$N.x,backport-blocked-v$N.x,backport-open-v$N.x,backported-to-v$N.x,baking-for-lts --filter-release --format=sha --reverse' | xargs git cherry-pick -S
+```
+
 <sup>For patch releases, make sure to add the `semver-minor` tag
 to `exclude-label`<sup>