upstream/mercurial-mirror Files · tests/test-no-symlinks.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

Matt Harbison - - Load All Authors

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      #require no-symlink

      # The following script was used to create the bundle:

      #

      # hg init symlinks

      # cd symlinks

      # echo a > a

      # mkdir d

      # echo b > d/b

      # ln -s a a.lnk

      # ln -s d/b d/b.lnk

      # hg ci -Am t

      # hg bundle --base null ../test-no-symlinks.hg

      Extract a symlink on a platform not supporting them

        $ hg init t

        $ cd t

        $ hg pull -q "$TESTDIR/bundles/test-no-symlinks.hg"

        $ hg update

        4 files updated, 0 files merged, 0 files removed, 0 files unresolved

        $ cat a.lnk && echo

        a

        $ cat d/b.lnk && echo

        d/b

      Copy a symlink and move another

        $ hg copy a.lnk d/a2.lnk

        $ hg mv d/b.lnk b2.lnk

        $ hg ci -Am copy

        $ cat d/a2.lnk && echo

        a

        $ cat b2.lnk && echo

        d/b

      Bundle and extract again

        $ hg bundle --base null ../symlinks.hg

        2 changesets found

        $ cd ..

        $ hg init t2

        $ cd t2

        $ hg pull ../symlinks.hg

        pulling from ../symlinks.hg

        requesting all changes

        adding changesets

        adding manifests

        adding file changes

        added 2 changesets with 6 changes to 6 files

        new changesets d326ae2d01ee:71d85cf3ba90 (2 drafts)

        (run 'hg update' to get a working copy)

        $ hg update

        5 files updated, 0 files merged, 0 files removed, 0 files unresolved

        $ cat a.lnk && echo

        a

        $ cat d/a2.lnk && echo

        a

        $ cat b2.lnk && echo

        d/b

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				#require no-symlink

				# The following script was used to create the bundle:
				#
				# hg init symlinks
				# cd symlinks
				# echo a > a
				# mkdir d
				# echo b > d/b
				# ln -s a a.lnk
				# ln -s d/b d/b.lnk
				# hg ci -Am t
				# hg bundle --base null ../test-no-symlinks.hg

				Extract a symlink on a platform not supporting them

				$ hg init t
				$ cd t
				$ hg pull -q "$TESTDIR/bundles/test-no-symlinks.hg"
				$ hg update
				4 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ cat a.lnk && echo
				a
				$ cat d/b.lnk && echo
				d/b

				Copy a symlink and move another

				$ hg copy a.lnk d/a2.lnk
				$ hg mv d/b.lnk b2.lnk
				$ hg ci -Am copy
				$ cat d/a2.lnk && echo
				a
				$ cat b2.lnk && echo
				d/b

				Bundle and extract again

				$ hg bundle --base null ../symlinks.hg
				2 changesets found
				$ cd ..
				$ hg init t2
				$ cd t2
				$ hg pull ../symlinks.hg
				pulling from ../symlinks.hg
				requesting all changes
				adding changesets
				adding manifests
				adding file changes
				added 2 changesets with 6 changes to 6 files
				new changesets d326ae2d01ee:71d85cf3ba90 (2 drafts)
				(run 'hg update' to get a working copy)
				$ hg update
				5 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ cat a.lnk && echo
				a
				$ cat d/a2.lnk && echo
				a
				$ cat b2.lnk && echo
				d/b