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

hg: acquire wlock while updating the working directory via updatetotally...

hg: acquire wlock while updating the working directory via updatetotally updatetotally() might be invoked outside wlock scope (e.g. invocation via postincoming() at "hg unbundle" or "hg pull"). In such case, acquisition of wlock is needed for consistent view, because parallel "hg update" and/or "hg bookmarks" might change working directory status while executing updatetotally(). Strictly speaking, truly consistent updating should acquire also store lock, because active bookmark might be moved to another one outside wlock scope (e.g. pulling from other repository causes updating current active one). Acquisition of wlock in this patch ensures consistency in as same level as past "hg update".

Matt Mackall - - 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

        (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
				(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