upstream/mercurial-mirror Files · tests/test-narrow-clone-stream.t

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

Martin von Zweigbergk - - Load All Authors

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      #testcases tree flat-fncache flat-nofncache

      Tests narrow stream clones

        $ . "$TESTDIR/narrow-library.sh"

      #if tree

        $ cat << EOF >> $HGRCPATH

        > [experimental]

        > treemanifest = 1

        > EOF

      #endif

      #if flat-nofncache

        $ cat << EOF >> $HGRCPATH

        > [format]

        > usefncache = 0

        > EOF

      #endif

      Server setup

        $ hg init master

        $ cd master

        $ mkdir dir

        $ mkdir dir/src

        $ cd dir/src

        $ for x in `$TESTDIR/seq.py 20`; do echo $x > "F$x"; hg add "F$x"; hg commit -m "Commit src $x"; done

        $ cd ..

        $ mkdir tests

        $ cd tests

        $ for x in `$TESTDIR/seq.py 20`; do echo $x > "F$x"; hg add "F$x"; hg commit -m "Commit src $x"; done

        $ cd ../../..

      Trying to stream clone when the server does not support it

        $ hg clone --narrow ssh://user@dummy/master narrow --noupdate --include "dir/src/F10" --stream

        streaming all changes

        remote: abort: server does not support narrow stream clones

        abort: pull failed on remote

        [255]

      Enable stream clone on the server

        $ echo "[experimental]" >> master/.hg/hgrc

        $ echo "server.stream-narrow-clones=True" >> master/.hg/hgrc

      Cloning a specific file when stream clone is supported

        $ hg clone --narrow ssh://user@dummy/master narrow --noupdate --include "dir/src/F10" --stream

        streaming all changes

        * files to transfer, * KB of data (glob)

        transferred * KB in * seconds (* */sec) (glob)

        $ cd narrow

        $ ls

        $ hg tracked

        I path:dir/src/F10

      Making sure we have the correct set of requirements

        $ cat .hg/requires

        dotencode (tree flat-fncache !)

        fncache (tree flat-fncache !)

        generaldelta

        narrowhg-experimental

        revlogv1

        sparserevlog

        store

        treemanifest (tree !)

      Making sure store has the required files

        $ ls .hg/store/

        00changelog.i

        00manifest.i

        data (tree flat-fncache !)

        fncache (tree flat-fncache !)

        meta (tree !)

        narrowspec

        undo

        undo.backupfiles

        undo.narrowspec

        undo.phaseroots

      Checking that repository has all the required data and not broken

        $ hg verify

        checking changesets

        checking manifests

        checking directory manifests (tree !)

        crosschecking files in changesets and manifests

        checking files

        checked 40 changesets with 1 changes to 1 files

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				#testcases tree flat-fncache flat-nofncache

				Tests narrow stream clones

				$ . "$TESTDIR/narrow-library.sh"

				#if tree
				$ cat << EOF >> $HGRCPATH
				> [experimental]
				> treemanifest = 1
				> EOF
				#endif

				#if flat-nofncache
				$ cat << EOF >> $HGRCPATH
				> [format]
				> usefncache = 0
				> EOF
				#endif

				Server setup

				$ hg init master
				$ cd master
				$ mkdir dir
				$ mkdir dir/src
				$ cd dir/src
				$ for x in `$TESTDIR/seq.py 20`; do echo $x > "F$x"; hg add "F$x"; hg commit -m "Commit src $x"; done

				$ cd ..
				$ mkdir tests
				$ cd tests
				$ for x in `$TESTDIR/seq.py 20`; do echo $x > "F$x"; hg add "F$x"; hg commit -m "Commit src $x"; done
				$ cd ../../..

				Trying to stream clone when the server does not support it

				$ hg clone --narrow ssh://user@dummy/master narrow --noupdate --include "dir/src/F10" --stream
				streaming all changes
				remote: abort: server does not support narrow stream clones
				abort: pull failed on remote
				[255]

				Enable stream clone on the server

				$ echo "[experimental]" >> master/.hg/hgrc
				$ echo "server.stream-narrow-clones=True" >> master/.hg/hgrc

				Cloning a specific file when stream clone is supported

				$ hg clone --narrow ssh://user@dummy/master narrow --noupdate --include "dir/src/F10" --stream
				streaming all changes
				* files to transfer, * KB of data (glob)
				transferred * KB in * seconds (* */sec) (glob)

				$ cd narrow
				$ ls
				$ hg tracked
				I path:dir/src/F10

				Making sure we have the correct set of requirements

				$ cat .hg/requires
				dotencode (tree flat-fncache !)
				fncache (tree flat-fncache !)
				generaldelta
				narrowhg-experimental
				revlogv1
				sparserevlog
				store
				treemanifest (tree !)

				Making sure store has the required files

				$ ls .hg/store/
				00changelog.i
				00manifest.i
				data (tree flat-fncache !)
				fncache (tree flat-fncache !)
				meta (tree !)
				narrowspec
				undo
				undo.backupfiles
				undo.narrowspec
				undo.phaseroots

				Checking that repository has all the required data and not broken

				$ hg verify
				checking changesets
				checking manifests
				checking directory manifests (tree !)
				crosschecking files in changesets and manifests
				checking files
				checked 40 changesets with 1 changes to 1 files