upstream/mercurial-mirror Files · tests/test-patch-offset.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".

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        $ cat > writepatterns.py <<EOF

        > import sys

        > 

        > path = sys.argv[1]

        > patterns = sys.argv[2:]

        > 

        > fp = file(path, 'wb')

        > for pattern in patterns:

        >     count = int(pattern[0:-1])

        >     char = pattern[-1] + '\n'

        >     fp.write(char*count)

        > fp.close()

        > EOF

      prepare repo

        $ hg init a

        $ cd a

      These initial lines of Xs were not in the original file used to generate

      the patch.  So all the patch hunks need to be applied to a constant offset

      within this file.  If the offset isn't tracked then the hunks can be

      applied to the wrong lines of this file.

        $ python ../writepatterns.py a 34X 10A 1B 10A 1C 10A 1B 10A 1D 10A 1B 10A 1E 10A 1B 10A

        $ hg commit -Am adda

        adding a

      This is a cleaner patch generated via diff

      In this case it reproduces the problem when

      the output of hg export does not

      import patch

        $ hg import -v -m 'b' -d '2 0' - <<EOF

        > --- a/a	2009-12-08 19:26:17.000000000 -0800

        > +++ b/a	2009-12-08 19:26:17.000000000 -0800

        > @@ -9,7 +9,7 @@

        >  A

        >  A

        >  B

        > -A

        > +a

        >  A

        >  A

        >  A

        > @@ -53,7 +53,7 @@

        >  A

        >  A

        >  B

        > -A

        > +a

        >  A

        >  A

        >  A

        > @@ -75,7 +75,7 @@

        >  A

        >  A

        >  B

        > -A

        > +a

        >  A

        >  A

        >  A

        > EOF

        applying patch from stdin

        patching file a

        Hunk #1 succeeded at 43 (offset 34 lines).

        Hunk #2 succeeded at 87 (offset 34 lines).

        Hunk #3 succeeded at 109 (offset 34 lines).

        committing files:

        a

        committing manifest

        committing changelog

        created 189885cecb41

      compare imported changes against reference file

        $ python ../writepatterns.py aref 34X 10A 1B 1a 9A 1C 10A 1B 10A 1D 10A 1B 1a 9A 1E 10A 1B 1a 9A

        $ diff aref a

        $ cd ..

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				$ cat > writepatterns.py <<EOF
				> import sys
				>
				> path = sys.argv[1]
				> patterns = sys.argv[2:]
				>
				> fp = file(path, 'wb')
				> for pattern in patterns:
				> count = int(pattern[0:-1])
				> char = pattern[-1] + '\n'
				> fp.write(char*count)
				> fp.close()
				> EOF

				prepare repo

				$ hg init a
				$ cd a

				These initial lines of Xs were not in the original file used to generate
				the patch. So all the patch hunks need to be applied to a constant offset
				within this file. If the offset isn't tracked then the hunks can be
				applied to the wrong lines of this file.

				$ python ../writepatterns.py a 34X 10A 1B 10A 1C 10A 1B 10A 1D 10A 1B 10A 1E 10A 1B 10A
				$ hg commit -Am adda
				adding a

				This is a cleaner patch generated via diff
				In this case it reproduces the problem when
				the output of hg export does not
				import patch

				$ hg import -v -m 'b' -d '2 0' - <<EOF
				> --- a/a 2009-12-08 19:26:17.000000000 -0800
				> +++ b/a 2009-12-08 19:26:17.000000000 -0800
				> @@ -9,7 +9,7 @@
				> A
				> A
				> B
				> -A
				> +a
				> A
				> A
				> A
				> @@ -53,7 +53,7 @@
				> A
				> A
				> B
				> -A
				> +a
				> A
				> A
				> A
				> @@ -75,7 +75,7 @@
				> A
				> A
				> B
				> -A
				> +a
				> A
				> A
				> A
				> EOF
				applying patch from stdin
				patching file a
				Hunk #1 succeeded at 43 (offset 34 lines).
				Hunk #2 succeeded at 87 (offset 34 lines).
				Hunk #3 succeeded at 109 (offset 34 lines).
				committing files:
				a
				committing manifest
				committing changelog
				created 189885cecb41

				compare imported changes against reference file

				$ python ../writepatterns.py aref 34X 10A 1B 1a 9A 1C 10A 1B 10A 1D 10A 1B 1a 9A 1E 10A 1B 1a 9A
				$ diff aref a

				$ cd ..