8210283: Support git as an SCM alternative in the build

[erikj79]

This is a backport of the changes needed to support building from Git repos. I've tried to keep the changes minimal. The patch differs quite a bit from the original jdk8u backport of this change, mainly in the parts that only really serve to interact with Oracle custom build logic, and likely aren't used by anyone in jdk8u main. For example, I chose to keep the existing .hgtip files instead of trying to rename them to something else (.gittip or .src-rev), as updating the external dependencies we have on these file names would be too much work for this release.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8210283: Support git as an SCM alternative in the build

Reviewers

• Mikael Vidstedt (@vidmik - Author) ⚠️ Review applies to cbf95bb
• Tim Bell (@tbell29552 - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk8u-ri pull/1/head:pull/1
$ git checkout pull/1

Update a local copy of the PR:
$ git checkout pull/1
$ git pull https://git.openjdk.java.net/jdk8u-ri pull/1/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1

View PR using the GUI difftool:
$ git pr show -t 1

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk8u-ri/pull/1.diff

[bridgekeeper]

👋 Welcome back erikj! 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.

[mlbridge]

Webrevs

• 01: Full (5b9006b9)
• 00: Full (cbf95bba)

[openjdk]

This backport pull request has now been updated with issue and summary from the original commit.

[tbell29552]

Looks good

[openjdk]

@erikj79 This change now passes all automated pre-integration checks.

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

8210283: Support git as an SCM alternative in the build

Removes forest handling of SCM ids

Reviewed-by: mikael, tbell

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

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[erikj79]

/integrate

[openjdk]

Going to push as commit dfcf70d.

[openjdk]

@erikj79 Pushed as commit dfcf70d.

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