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changegroup: don't support versions 01 and 02 with treemanifests...

changegroup: don't support versions 01 and 02 with treemanifests Since it would be terribly expensive to convert between flat manifests and treemanifests, we have decided to simply not support changegroup version 01 and 02 with treemanifests. Therefore, let's stop announcing that we support these versions on treemanifest repos. Note that this means that older clients that try to clone from a treemanifest repo will fail. What happens is that the server, after this patch, finds that there are no common versions and raises "ValueError: no common changegroup version". This results in "abort: HTTP Error 500: Internal Server Error" on the client. Before this patch, it was no better: The server would instead find that there were directory manifest nodes to put in the changegroup 01 or 02 and raise an AssertionError on changegroup.py#668 (assert not tmfnodes), which would also appear as a 500 to the client.

Siddharth Agarwal - - Load All Authors

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      Minimal hgk check

        $ echo "[extensions]" >> $HGRCPATH

        $ echo "hgk=" >> $HGRCPATH

        $ hg init repo

        $ cd repo

        $ echo a > a

        $ hg ci -Am adda

        adding a

        $ hg debug-cat-file commit 0

        tree a0c8bcbbb45c

        parent 000000000000

        author test 0 0

        revision 0

        branch default

        phase draft

        adda

        $ echo b > b

        $ hg ci -Am addb

        adding b

        $ hg log -T '{node}\n'

        102a90ea7b4a3361e4082ed620918c261189a36a

        07f4944404050f47db2e5c5071e0e84e7a27bba9

        $ hg debug-diff-tree 07f494440405 102a90ea7b4a

        :000000 100664 000000000000 1e88685f5dde N	b	b

        $ hg debug-diff-tree 07f494440405 102a90ea7b4a --patch

        diff --git a/b b/b

        new file mode 100644

        --- /dev/null

        +++ b/b

        @@ -0,0 +1,1 @@

        +b

      Ensure that diff-tree output isn't affected by diffopts

        $ hg --config diff.noprefix=True debug-diff-tree 07f494440405 102a90ea7b4a

        :000000 100664 000000000000 1e88685f5dde N	b	b

        $ hg --config diff.noprefix=True debug-diff-tree --patch 07f494440405 102a90ea7b4a

        diff --git a/b b/b

        new file mode 100644

        --- /dev/null

        +++ b/b

        @@ -0,0 +1,1 @@

        +b

        $ cd ..

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g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
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	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				Minimal hgk check

				$ echo "[extensions]" >> $HGRCPATH
				$ echo "hgk=" >> $HGRCPATH
				$ hg init repo
				$ cd repo
				$ echo a > a
				$ hg ci -Am adda
				adding a
				$ hg debug-cat-file commit 0
				tree a0c8bcbbb45c
				parent 000000000000
				author test 0 0
				revision 0
				branch default
				phase draft

				adda
				$ echo b > b
				$ hg ci -Am addb
				adding b
				$ hg log -T '{node}\n'
				102a90ea7b4a3361e4082ed620918c261189a36a
				07f4944404050f47db2e5c5071e0e84e7a27bba9

				$ hg debug-diff-tree 07f494440405 102a90ea7b4a
				:000000 100664 000000000000 1e88685f5dde N b b
				$ hg debug-diff-tree 07f494440405 102a90ea7b4a --patch
				diff --git a/b b/b
				new file mode 100644
				--- /dev/null
				+++ b/b
				@@ -0,0 +1,1 @@
				+b

				Ensure that diff-tree output isn't affected by diffopts
				$ hg --config diff.noprefix=True debug-diff-tree 07f494440405 102a90ea7b4a
				:000000 100664 000000000000 1e88685f5dde N b b
				$ hg --config diff.noprefix=True debug-diff-tree --patch 07f494440405 102a90ea7b4a
				diff --git a/b b/b
				new file mode 100644
				--- /dev/null
				+++ b/b
				@@ -0,0 +1,1 @@
				+b

				$ cd ..