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filemerge: add internal merge tool to dump files forcibly...
filemerge: add internal merge tool to dump files forcibly Internal merge tool :dump implies premerge. Therefore, files aren't dumped, if premerge runs successfully. This undocumented behavior might confuse users, if they want to always dump files. But just making :dump omit premerge might cause backward compatibility issue for existing automation. This patch adds new internal merge tool :forcedump, which works as same as :dump, but omits premerge always. Internal tools annotated with "nomerge" should merge "change and delete" correctly, but _forcedump() can't. Therefore, it is annotated with "mergeonly" to always omit premerge, even though it doesn't merge files actually. This patch also adds explanation about premerge to :dump, to clarify how :dump actually works. BTW, this patch specifies internal tools with "internal:" prefix in newly added test scenario in test-merge-tools.t, even though this prefix is already deprecated. This is only for similarity to other tests in test-merge-tools.t.
Boris Feld - - Load All Authors

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r32255:7e35d31b default
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test-clonebundles.t
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Set up a server
$ cat >> $HGRCPATH << EOF
> [format]
> usegeneraldelta=yes
> EOF
$ hg init server
$ cd server
$ cat >> .hg/hgrc << EOF
> [extensions]
> clonebundles =
> EOF
$ touch foo
$ hg -q commit -A -m 'add foo'
$ touch bar
$ hg -q commit -A -m 'add bar'
$ hg serve -d -p $HGPORT --pid-file hg.pid --accesslog access.log
$ cat hg.pid >> $DAEMON_PIDS
$ cd ..
Missing manifest should not result in server lookup
$ hg --verbose clone -U http://localhost:$HGPORT no-manifest
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
$ cat server/access.log
* - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
* - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
* - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=aaff8d2ffbbf07a46dd1f05d8ae7877e3f56e2a2&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
Empty manifest file results in retrieval
(the extension only checks if the manifest file exists)
$ touch server/.hg/clonebundles.manifest
$ hg --verbose clone -U http://localhost:$HGPORT empty-manifest
no clone bundles available on remote; falling back to regular clone
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
Manifest file with invalid URL aborts
$ echo 'http://does.not.exist/bundle.hg' > server/.hg/clonebundles.manifest
$ hg clone http://localhost:$HGPORT 404-url
applying clone bundle from http://does.not.exist/bundle.hg
error fetching bundle: (.* not known|getaddrinfo failed|No address associated with hostname) (re)
abort: error applying bundle
(if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false")
[255]
Server is not running aborts
$ echo "http://localhost:$HGPORT1/bundle.hg" > server/.hg/clonebundles.manifest
$ hg clone http://localhost:$HGPORT server-not-runner
applying clone bundle from http://localhost:$HGPORT1/bundle.hg
error fetching bundle: (.* refused.*|Protocol not supported|Cannot assign requested address) (re)
abort: error applying bundle
(if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false")
[255]
Server returns 404
$ python $TESTDIR/dumbhttp.py -p $HGPORT1 --pid http.pid
$ cat http.pid >> $DAEMON_PIDS
$ hg clone http://localhost:$HGPORT running-404
applying clone bundle from http://localhost:$HGPORT1/bundle.hg
HTTP error fetching bundle: HTTP Error 404: File not found
abort: error applying bundle
(if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false")
[255]
We can override failure to fall back to regular clone
$ hg --config ui.clonebundlefallback=true clone -U http://localhost:$HGPORT 404-fallback
applying clone bundle from http://localhost:$HGPORT1/bundle.hg
HTTP error fetching bundle: HTTP Error 404: File not found
falling back to normal clone
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
Bundle with partial content works
$ hg -R server bundle --type gzip-v1 --base null -r 53245c60e682 partial.hg
1 changesets found
We verify exact bundle content as an extra check against accidental future
changes. If this output changes, we could break old clients.
$ f --size --hexdump partial.hg
partial.hg: size=207
0000: 48 47 31 30 47 5a 78 9c 63 60 60 98 17 ac 12 93 |HG10GZx.c``.....|
0010: f0 ac a9 23 45 70 cb bf 0d 5f 59 4e 4a 7f 79 21 |...#Ep..._YNJ.y!|
0020: 9b cc 40 24 20 a0 d7 ce 2c d1 38 25 cd 24 25 d5 |..@$ ...,.8%.$%.|
0030: d8 c2 22 cd 38 d9 24 cd 22 d5 c8 22 cd 24 cd 32 |..".8.$."..".$.2|
0040: d1 c2 d0 c4 c8 d2 32 d1 38 39 29 c9 34 cd d4 80 |......2.89).4...|
0050: ab 24 b5 b8 84 cb 40 c1 80 2b 2d 3f 9f 8b 2b 31 |.$....@..+-?..+1|
0060: 25 45 01 c8 80 9a d2 9b 65 fb e5 9e 45 bf 8d 7f |%E......e...E...|
0070: 9f c6 97 9f 2b 44 34 67 d9 ec 8e 0f a0 92 0b 75 |....+D4g.......u|
0080: 41 d6 24 59 18 a4 a4 9a a6 18 1a 5b 98 9b 5a 98 |A.$Y.......[..Z.|
0090: 9a 18 26 9b a6 19 98 1a 99 99 26 a6 18 9a 98 24 |..&.......&....$|
00a0: 26 59 a6 25 5a 98 a5 18 a6 24 71 41 35 b1 43 dc |&Y.%Z....$qA5.C.|
00b0: 16 b2 83 f7 e9 45 8b d2 56 c7 a3 1f 82 52 d7 8a |.....E..V....R..|
00c0: 78 ed fc d5 76 f1 36 35 dc 05 00 36 ed 5e c7 |x...v.65...6.^.|
$ echo "http://localhost:$HGPORT1/partial.hg" > server/.hg/clonebundles.manifest
$ hg clone -U http://localhost:$HGPORT partial-bundle
applying clone bundle from http://localhost:$HGPORT1/partial.hg
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
finished applying clone bundle
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
Incremental pull doesn't fetch bundle
$ hg clone -r 53245c60e682 -U http://localhost:$HGPORT partial-clone
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
$ cd partial-clone
$ hg pull
pulling from http://localhost:$HGPORT/
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ cd ..
Bundle with full content works
$ hg -R server bundle --type gzip-v2 --base null -r tip full.hg
2 changesets found
Again, we perform an extra check against bundle content changes. If this content
changes, clone bundles produced by new Mercurial versions may not be readable
by old clients.
$ f --size --hexdump full.hg
full.hg: size=396
0000: 48 47 32 30 00 00 00 0e 43 6f 6d 70 72 65 73 73 |HG20....Compress|
0010: 69 6f 6e 3d 47 5a 78 9c 63 60 60 d0 e4 76 f6 70 |ion=GZx.c``..v.p|
0020: f4 73 77 75 0f f2 0f 0d 60 00 02 46 46 76 26 4e |.swu....`..FFv&N|
0030: c6 b2 d4 a2 e2 cc fc 3c 03 a3 bc a4 e4 8c c4 bc |.......<........|
0040: f4 d4 62 23 06 06 e6 19 40 f9 4d c1 2a 31 09 cf |..b#....@.M.*1..|
0050: 9a 3a 52 04 b7 fc db f0 95 e5 a4 f4 97 17 b2 c9 |.:R.............|
0060: 0c 14 00 02 e6 d9 99 25 1a a7 a4 99 a4 a4 1a 5b |.......%.......[|
0070: 58 a4 19 27 9b a4 59 a4 1a 59 a4 99 a4 59 26 5a |X..'..Y..Y...Y&Z|
0080: 18 9a 18 59 5a 26 1a 27 27 25 99 a6 99 1a 70 95 |...YZ&.''%....p.|
0090: a4 16 97 70 19 28 18 70 a5 e5 e7 73 71 25 a6 a4 |...p.(.p...sq%..|
00a0: 28 00 19 20 17 af fa df ab ff 7b 3f fb 92 dc 8b |(.. ......{?....|
00b0: 1f 62 bb 9e b7 d7 d9 87 3d 5a 44 89 2f b0 99 87 |.b......=ZD./...|
00c0: ec e2 54 63 43 e3 b4 64 43 73 23 33 43 53 0b 63 |..TcC..dCs#3CS.c|
00d0: d3 14 23 03 a0 fb 2c 2c 0c d3 80 1e 30 49 49 b1 |..#...,,....0II.|
00e0: 4c 4a 32 48 33 30 b0 34 42 b8 38 29 b1 08 e2 62 |LJ2H30.4B.8)...b|
00f0: 20 03 6a ca c2 2c db 2f f7 2c fa 6d fc fb 34 be | .j..,./.,.m..4.|
0100: fc 5c 21 a2 39 cb 66 77 7c 00 0d c3 59 17 14 58 |.\!.9.fw|...Y..X|
0110: 49 16 06 29 a9 a6 29 86 c6 16 e6 a6 16 a6 26 86 |I..)..).......&.|
0120: c9 a6 69 06 a6 46 66 a6 89 29 86 26 26 89 49 96 |..i..Ff..).&&.I.|
0130: 69 89 16 66 29 86 29 49 5c 20 07 3e 16 fe 23 ae |i..f).)I\ .>..#.|
0140: 26 da 1c ab 10 1f d1 f8 e3 b3 ef cd dd fc 0c 93 |&...............|
0150: 88 75 34 36 75 04 82 55 17 14 36 a4 38 10 04 d8 |.u46u..U..6.8...|
0160: 21 01 9a b1 83 f7 e9 45 8b d2 56 c7 a3 1f 82 52 |!......E..V....R|
0170: d7 8a 78 ed fc d5 76 f1 36 25 81 89 c7 ad ec 90 |..x...v.6%......|
0180: 54 47 75 2b 89 49 b1 00 d2 8a eb 92 |TGu+.I......|
$ echo "http://localhost:$HGPORT1/full.hg" > server/.hg/clonebundles.manifest
$ hg clone -U http://localhost:$HGPORT full-bundle
applying clone bundle from http://localhost:$HGPORT1/full.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Feature works over SSH
$ hg clone -U -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy/server ssh-full-clone
applying clone bundle from http://localhost:$HGPORT1/full.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Entry with unknown BUNDLESPEC is filtered and not used
$ cat > server/.hg/clonebundles.manifest << EOF
> http://bad.entry1 BUNDLESPEC=UNKNOWN
> http://bad.entry2 BUNDLESPEC=xz-v1
> http://bad.entry3 BUNDLESPEC=none-v100
> http://localhost:$HGPORT1/full.hg BUNDLESPEC=gzip-v2
> EOF
$ hg clone -U http://localhost:$HGPORT filter-unknown-type
applying clone bundle from http://localhost:$HGPORT1/full.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Automatic fallback when all entries are filtered
$ cat > server/.hg/clonebundles.manifest << EOF
> http://bad.entry BUNDLESPEC=UNKNOWN
> EOF
$ hg clone -U http://localhost:$HGPORT filter-all
no compatible clone bundles available on server; falling back to regular clone
(you may want to report this to the server operator)
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
URLs requiring SNI are filtered in Python <2.7.9
$ cp full.hg sni.hg
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/sni.hg REQUIRESNI=true
> http://localhost:$HGPORT1/full.hg
> EOF
#if sslcontext
Python 2.7.9+ support SNI
$ hg clone -U http://localhost:$HGPORT sni-supported
applying clone bundle from http://localhost:$HGPORT1/sni.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
#else
Python <2.7.9 will filter SNI URLs
$ hg clone -U http://localhost:$HGPORT sni-unsupported
applying clone bundle from http://localhost:$HGPORT1/full.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
#endif
Stream clone bundles are supported
$ hg -R server debugcreatestreamclonebundle packed.hg
writing 613 bytes for 4 files
bundle requirements: generaldelta, revlogv1
No bundle spec should work
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/packed.hg
> EOF
$ hg clone -U http://localhost:$HGPORT stream-clone-no-spec
applying clone bundle from http://localhost:$HGPORT1/packed.hg
4 files to transfer, 613 bytes of data
transferred 613 bytes in *.* seconds (*) (glob)
finished applying clone bundle
searching for changes
no changes found
Bundle spec without parameters should work
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1
> EOF
$ hg clone -U http://localhost:$HGPORT stream-clone-vanilla-spec
applying clone bundle from http://localhost:$HGPORT1/packed.hg
4 files to transfer, 613 bytes of data
transferred 613 bytes in *.* seconds (*) (glob)
finished applying clone bundle
searching for changes
no changes found
Bundle spec with format requirements should work
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv1
> EOF
$ hg clone -U http://localhost:$HGPORT stream-clone-supported-requirements
applying clone bundle from http://localhost:$HGPORT1/packed.hg
4 files to transfer, 613 bytes of data
transferred 613 bytes in *.* seconds (*) (glob)
finished applying clone bundle
searching for changes
no changes found
Stream bundle spec with unknown requirements should be filtered out
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv42
> EOF
$ hg clone -U http://localhost:$HGPORT stream-clone-unsupported-requirements
no compatible clone bundles available on server; falling back to regular clone
(you may want to report this to the server operator)
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
Set up manifest for testing preferences
(Remember, the TYPE does not have to match reality - the URL is
important)
$ cp full.hg gz-a.hg
$ cp full.hg gz-b.hg
$ cp full.hg bz2-a.hg
$ cp full.hg bz2-b.hg
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 extra=a
> http://localhost:$HGPORT1/bz2-a.hg BUNDLESPEC=bzip2-v2 extra=a
> http://localhost:$HGPORT1/gz-b.hg BUNDLESPEC=gzip-v2 extra=b
> http://localhost:$HGPORT1/bz2-b.hg BUNDLESPEC=bzip2-v2 extra=b
> EOF
Preferring an undefined attribute will take first entry
$ hg --config ui.clonebundleprefers=foo=bar clone -U http://localhost:$HGPORT prefer-foo
applying clone bundle from http://localhost:$HGPORT1/gz-a.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Preferring bz2 type will download first entry of that type
$ hg --config ui.clonebundleprefers=COMPRESSION=bzip2 clone -U http://localhost:$HGPORT prefer-bz
applying clone bundle from http://localhost:$HGPORT1/bz2-a.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Preferring multiple values of an option works
$ hg --config ui.clonebundleprefers=COMPRESSION=unknown,COMPRESSION=bzip2 clone -U http://localhost:$HGPORT prefer-multiple-bz
applying clone bundle from http://localhost:$HGPORT1/bz2-a.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Sorting multiple values should get us back to original first entry
$ hg --config ui.clonebundleprefers=BUNDLESPEC=unknown,BUNDLESPEC=gzip-v2,BUNDLESPEC=bzip2-v2 clone -U http://localhost:$HGPORT prefer-multiple-gz
applying clone bundle from http://localhost:$HGPORT1/gz-a.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Preferring multiple attributes has correct order
$ hg --config ui.clonebundleprefers=extra=b,BUNDLESPEC=bzip2-v2 clone -U http://localhost:$HGPORT prefer-separate-attributes
applying clone bundle from http://localhost:$HGPORT1/bz2-b.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found
Test where attribute is missing from some entries
$ cat > server/.hg/clonebundles.manifest << EOF
> http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2
> http://localhost:$HGPORT1/bz2-a.hg BUNDLESPEC=bzip2-v2
> http://localhost:$HGPORT1/gz-b.hg BUNDLESPEC=gzip-v2 extra=b
> http://localhost:$HGPORT1/bz2-b.hg BUNDLESPEC=bzip2-v2 extra=b
> EOF
$ hg --config ui.clonebundleprefers=extra=b clone -U http://localhost:$HGPORT prefer-partially-defined-attribute
applying clone bundle from http://localhost:$HGPORT1/gz-b.hg
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
finished applying clone bundle
searching for changes
no changes found