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copies: add config option for writing copy metadata to file and/or changset...

copies: add config option for writing copy metadata to file and/or changset This introduces a config option that lets you choose to write copy metadata to the changeset extras instead of to filelog. There's also an option to write it to both places. I imagine that may possibly be useful when transitioning an existing repo. The copy metadata is stored as two fields in extras: one for copies since p1 and one for copies since p2. I may need to add more information later in order to make copy tracing faster. Specifically, I'm thinking out recording which files were added or removed so that copies._chaincopies() doesn't have to look at the manifest for that. But that would just be an optimization and that can be added once we know if it's necessary. I have also considered saving space by using replacing the destination file path by an index into the "files" list, but that can also be changed later (but before the feature is ready to release). Differential Revision: https://phab.mercurial-scm.org/D6183

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      ============================================

      Testing obsolescence markers push: Cases B.6

      ============================================

      Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of

      all changesets that requested to be "in sync" after the push (even if they are

      already on both side).

      This test belongs to a series of tests checking such set is properly computed

      and applied. This does not tests "obsmarkers" discovery capabilities.

      Category B: pruning case

      TestCase 6: Pruned changeset with precursors not in pushed set

      B.6 Pruned changeset with precursors not in pushed set

      ======================================================

      .. {{{

      ..   B ø⇠⊗ B'

      ..     | |

      ..   A ○ |

      ..     |/

      ..     ● O

      .. }}}

      ..

      .. Marker exist from:

      ..

      ..  * `B ø⇠⊗ B'`

      ..  * B' prune

      ..

      .. Command run:

      ..

      ..  * hg push -r O

      ..

      .. Expected exchange:

      ..

      ..  * `B ø⇠⊗ B'`

      ..  * B' prune

      Setup

      -----

        $ . $TESTDIR/testlib/exchange-obsmarker-util.sh

      Initial

        $ setuprepos B.6

        creating test repo for test case B.6

        - pulldest

        - main

        - pushdest

        cd into `main` and proceed with env setup

        $ cd main

        $ mkcommit A

        $ mkcommit B0

        $ hg up --quiet 0

        $ mkcommit B1

        created new head

        $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(B1)'`

        obsoleted 1 changesets

        $ hg prune -qd '0 0' .

        $ hg log -G --hidden

        x  f6298a8ac3a4 (draft): B1

        |

        | x  962ecf6b1afc (draft): B0

        | |

        | o  f5bc6836db60 (draft): A

        |/

        @  a9bdc8b26820 (public): O

        $ inspect_obsmarkers

        obsstore content

        ================

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        $ cd ..

        $ cd ..

      Actual Test

      -------------------------------------

        $ dotest B.6 O

        ## Running testcase B.6

        # testing echange of "O" (a9bdc8b26820)

        ## initial state

        # obstore: main

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        # obstore: pulldest

        ## pushing "O" from main to pushdest

        pushing to pushdest

        searching for changes

        no changes found

        remote: 2 new obsolescence markers

        ## post push state

        # obstore: main

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pulldest

        ## pulling "a9bdc8b26820" from main into pulldest

        pulling from main

        no changes found

        2 new obsolescence markers

        ## post pull state

        # obstore: main

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pulldest

        962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

	Site-wide shortcuts
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g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
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n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
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g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				============================================
				Testing obsolescence markers push: Cases B.6
				============================================

				Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of
				all changesets that requested to be "in sync" after the push (even if they are
				already on both side).

				This test belongs to a series of tests checking such set is properly computed
				and applied. This does not tests "obsmarkers" discovery capabilities.

				Category B: pruning case
				TestCase 6: Pruned changeset with precursors not in pushed set

				B.6 Pruned changeset with precursors not in pushed set
				======================================================

				.. {{{
				.. B ø⇠⊗ B'
				.. \| \|
				.. A ○ \|
				.. \|/
				.. ● O
				.. }}}
				..
				.. Marker exist from:
				..
				.. * `B ø⇠⊗ B'`
				.. * B' prune
				..
				.. Command run:
				..
				.. * hg push -r O
				..
				.. Expected exchange:
				..
				.. * `B ø⇠⊗ B'`
				.. * B' prune

				Setup
				-----

				$ . $TESTDIR/testlib/exchange-obsmarker-util.sh

				Initial

				$ setuprepos B.6
				creating test repo for test case B.6
				- pulldest
				- main
				- pushdest
				cd into `main` and proceed with env setup
				$ cd main
				$ mkcommit A
				$ mkcommit B0
				$ hg up --quiet 0
				$ mkcommit B1
				created new head
				$ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(B1)'`
				obsoleted 1 changesets
				$ hg prune -qd '0 0' .
				$ hg log -G --hidden
				x f6298a8ac3a4 (draft): B1
				\|
				\| x 962ecf6b1afc (draft): B0
				\| \|
				\| o f5bc6836db60 (draft): A
				\|/
				@ a9bdc8b26820 (public): O

				$ inspect_obsmarkers
				obsstore content
				================
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				$ cd ..
				$ cd ..

				Actual Test
				-------------------------------------

				$ dotest B.6 O
				## Running testcase B.6
				# testing echange of "O" (a9bdc8b26820)
				## initial state
				# obstore: main
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				# obstore: pulldest
				## pushing "O" from main to pushdest
				pushing to pushdest
				searching for changes
				no changes found
				remote: 2 new obsolescence markers
				## post push state
				# obstore: main
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pulldest
				## pulling "a9bdc8b26820" from main into pulldest
				pulling from main
				no changes found
				2 new obsolescence markers
				## post pull state
				# obstore: main
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pulldest
				962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}