Update the .gitignore rules

[fwyzard]

PR description:

Update the .gitignore rules:

• ignore files under the top level $CMSSW_BASE/src directory, but not its subdirectories
• ignore partially applied patches and their backup

PR validation:

Before:

$ touch x
$ git status
On branch CMSSW_12_4_X
Your branch is up to date with 'cmssw/CMSSW_12_4_X'.

Untracked files:
  (use "git add <file>..." to include in what will be committed)
        x

nothing added to commit but untracked files present (use "git add" to track)

After:

$ touch x
$ git status
On branch CMSSW_12_4_X_update_gitignore
Your branch is up to date with 'fwyzard/CMSSW_12_4_X_update_gitignore'.

nothing to commit, working tree clean

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-37719/29555

• This PR adds an extra 12KB to repository

• There are other open Pull requests which might conflict with changes you have proposed:

  • File .gitignore modified in PR(s): WIP: New DQM GUI based on files #30594

[cmsbuild]

A new Pull Request was created by @fwyzard (Andrea Bocci) for master.

It involves the following packages:

• .gitignore (core)

@cmsbuild, @smuzaffar, @Dr15Jones, @makortel can you please review it and eventually sign? Thanks.
@perrotta, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

[fwyzard]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-165f40/24358/summary.html
COMMIT: fe03dbb
CMSSW: CMSSW_12_4_X_2022-04-30-1100/slc7_amd64_gcc10
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/37719/24358/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3704146
• DQMHistoTests: Total failures: 2
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3704122
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 205 log files, 45 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[makortel]

Looks ok to me, @smuzaffar what do you think?

[smuzaffar]

looks good to me too

[makortel]

+core

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1