upstream/mercurial-mirror Files · tests/test-repo-compengines.t

shelve: directly handle the initial parent alignment...

shelve: directly handle the initial parent alignment Shelve is currently sub-contracting some of its work to the rebase extension. In order to make shelve more independent and flexible we would like shelve to handle the parent alignment directly. After this change, we no longer need to use rebase in shelve. Differential Revision: https://phab.mercurial-scm.org/D3693

Gregory Szorc - - Load All Authors

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      A new repository uses zlib storage, which doesn't need a requirement

        $ hg init default

        $ cd default

        $ cat .hg/requires

        dotencode

        fncache

        generaldelta

        revlogv1

        store

        testonly-simplestore (reposimplestore !)

        $ touch foo

        $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text to trigger compression'

        $ hg debugrevlog -c | grep 0x78

            0x78 (x)  :   1 (100.00%)

            0x78 (x)  : 110 (100.00%)

        $ cd ..

      Unknown compression engine to format.compression aborts

        $ hg --config experimental.format.compression=unknown init unknown

        abort: compression engine unknown defined by experimental.format.compression not available

        (run "hg debuginstall" to list available compression engines)

        [255]

      A requirement specifying an unknown compression engine results in bail

        $ hg init unknownrequirement

        $ cd unknownrequirement

        $ echo exp-compression-unknown >> .hg/requires

        $ hg log

        abort: repository requires features unknown to this Mercurial: exp-compression-unknown!

        (see https://mercurial-scm.org/wiki/MissingRequirement for more information)

        [255]

        $ cd ..

      #if zstd

        $ hg --config experimental.format.compression=zstd init zstd

        $ cd zstd

        $ cat .hg/requires

        dotencode

        exp-compression-zstd

        fncache

        generaldelta

        revlogv1

        store

        testonly-simplestore (reposimplestore !)

        $ touch foo

        $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text'

        $ hg debugrevlog -c | grep 0x28

            0x28      :  1 (100.00%)

            0x28      : 98 (100.00%)

        $ cd ..

      Specifying a new format.compression on an existing repo won't introduce data

      with that engine or a requirement

        $ cd default

        $ touch bar

        $ hg --config experimental.format.compression=zstd -q commit -A -m 'add bar with a lot of repeated repeated repeated text'

        $ cat .hg/requires

        dotencode

        fncache

        generaldelta

        revlogv1

        store

        testonly-simplestore (reposimplestore !)

        $ hg debugrevlog -c | grep 0x78

            0x78 (x)  :   2 (100.00%)

            0x78 (x)  : 199 (100.00%)

      #endif

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				A new repository uses zlib storage, which doesn't need a requirement

				$ hg init default
				$ cd default
				$ cat .hg/requires
				dotencode
				fncache
				generaldelta
				revlogv1
				store
				testonly-simplestore (reposimplestore !)

				$ touch foo
				$ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text to trigger compression'
				$ hg debugrevlog -c \| grep 0x78
				0x78 (x) : 1 (100.00%)
				0x78 (x) : 110 (100.00%)

				$ cd ..

				Unknown compression engine to format.compression aborts

				$ hg --config experimental.format.compression=unknown init unknown
				abort: compression engine unknown defined by experimental.format.compression not available
				(run "hg debuginstall" to list available compression engines)
				[255]

				A requirement specifying an unknown compression engine results in bail

				$ hg init unknownrequirement
				$ cd unknownrequirement
				$ echo exp-compression-unknown >> .hg/requires
				$ hg log
				abort: repository requires features unknown to this Mercurial: exp-compression-unknown!
				(see https://mercurial-scm.org/wiki/MissingRequirement for more information)
				[255]

				$ cd ..

				#if zstd

				$ hg --config experimental.format.compression=zstd init zstd
				$ cd zstd
				$ cat .hg/requires
				dotencode
				exp-compression-zstd
				fncache
				generaldelta
				revlogv1
				store
				testonly-simplestore (reposimplestore !)

				$ touch foo
				$ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text'

				$ hg debugrevlog -c \| grep 0x28
				0x28 : 1 (100.00%)
				0x28 : 98 (100.00%)

				$ cd ..

				Specifying a new format.compression on an existing repo won't introduce data
				with that engine or a requirement

				$ cd default
				$ touch bar
				$ hg --config experimental.format.compression=zstd -q commit -A -m 'add bar with a lot of repeated repeated repeated text'

				$ cat .hg/requires
				dotencode
				fncache
				generaldelta
				revlogv1
				store
				testonly-simplestore (reposimplestore !)

				$ hg debugrevlog -c \| grep 0x78
				0x78 (x) : 2 (100.00%)
				0x78 (x) : 199 (100.00%)

				#endif