7903799: apidiff: add initial code

[jonathan-gibbons]

Please review the initial code for the new apidiff tool.

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• CODETOOLS-7903799: apidiff: add initial code (Enhancement - P3)

Reviewers

• Iris Clark (@irisclark - Reviewer) ⚠️ Review applies to 75924761

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/apidiff.git pull/2/head:pull/2
$ git checkout pull/2

Update a local copy of the PR:
$ git checkout pull/2
$ git pull https://git.openjdk.org/apidiff.git pull/2/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2

View PR using the GUI difftool:
$ git pr show -t 2

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/apidiff/pull/2.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back jjg! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@jonathan-gibbons This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

7903799: apidiff: add initial code

Reviewed-by: iris

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 1 new commit pushed to the master branch:

• 60b6ab3: 7903798: apidiff: Fix .jcheck/conf setting for tags

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[irisclark]

So glad to see this contribution in Code Tools!

Thank you!

[mlbridge]

Webrevs

• 02: Full - Incremental (3cd9f85d)
• 01: Full - Incremental (75924761)
• 00: Full (9ace4da6)

[jonathan-gibbons]

/integrate

[openjdk]

Going to push as commit 220ad18.
Since your change was applied there has been 1 commit pushed to the master branch:

• 60b6ab3: 7903798: apidiff: Fix .jcheck/conf setting for tags

Your commit was automatically rebased without conflicts.

[openjdk]

@jonathan-gibbons Pushed as commit 220ad18.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.