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view tests/test-obshistory.t @ 37048:fc5e261915b9
wireproto: require POST for all HTTPv2 requests
Wire protocol version 1 transfers argument data via request
headers by default. This has historically caused problems because
servers institute limits on the length of individual HTTP headers
as well as the total size of all request headers. Mercurial servers
can advertise the maximum length of an individual header. But
there's no guarantee any intermediate HTTP agents will accept
headers up to that length.
In the existing wire protocol, server operators typically also
key off the HTTP request method to implement authentication.
For example, GET requests translate to read-only requests and
can be allowed. But read-write commands must use POST and require
authentication. This has typically worked because the only wire
protocol commands that use POST modify the repo (e.g. the
"unbundle" command).
There is an experimental feature to enable clients to transmit
argument data via POST request bodies. This is technically a
better and more robust solution. But we can't enable it by default
because of servers assuming POST means write access.
In version 2 of the wire protocol, the permissions of a request
are encoded in the URL. And with it being a new protocol in a new
URL space, we're not constrained by backwards compatibility
requirements.
This commit adopts the technically superior mechanism of using
HTTP request bodies to send argument data by requiring POST for
all commands. Strictly speaking, it may be possible to send
request bodies on GET requests. But my experience is that not all
HTTP stacks support this. POST pretty much always works. Using POST
for read-only operations does sacrifice some RESTful design
purity. But this API cares about practicality, not about being
in Roy T. Fielding's REST ivory tower.
There's a chance we may relax this restriction in the future. But
for now, I want to see how far we can get with a POST only API.
Differential Revision: https://phab.mercurial-scm.org/D2837
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Tue, 13 Mar 2018 11:57:43 -0700 |
parents | 35a0f6f31eef |
children | ea63a2004d09 |
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This test file test the various messages when accessing obsolete revisions. Global setup ============ $ . $TESTDIR/testlib/obsmarker-common.sh $ cat >> $HGRCPATH <<EOF > [ui] > interactive = true > [phases] > publish=False > [experimental] > evolution.createmarkers = yes > evolution.effect-flags = yes > EOF Test output on amended commit ============================= Test setup ---------- $ hg init $TESTTMP/local-amend $ cd $TESTTMP/local-amend $ mkcommit ROOT $ mkcommit A0 $ echo 42 >> A0 $ hg commit --amend -m "A1 > > Better commit message" $ hg log --hidden -G @ changeset: 2:4ae3a4151de9 | tag: tip | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A1 | | x changeset: 1:471f378eab4c |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten using amend as 2:4ae3a4151de9 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update 471f378eab4c abort: hidden revision '471f378eab4c' was rewritten as: 4ae3a4151de9! (use --hidden to access hidden revisions) [255] $ hg update --hidden "desc(A0)" updating to a hidden changeset 471f378eab4c (hidden revision '471f378eab4c' was rewritten as: 4ae3a4151de9) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with pruned commit ============================== Test setup ---------- $ hg init $TESTTMP/local-prune $ cd $TESTTMP/local-prune $ mkcommit ROOT $ mkcommit A0 # 0 $ mkcommit B0 # 1 $ hg log --hidden -G @ changeset: 2:0dec01379d3b | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: B0 | o changeset: 1:471f378eab4c | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT $ hg debugobsolete --record-parents `getid 'desc(B0)'` obsoleted 1 changesets $ hg log --hidden -G @ changeset: 2:0dec01379d3b | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: pruned | summary: B0 | o changeset: 1:471f378eab4c | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg up 1 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg up 0dec01379d3b abort: hidden revision '0dec01379d3b' is pruned! (use --hidden to access hidden revisions) [255] $ hg up --hidden -r 'desc(B0)' updating to a hidden changeset 0dec01379d3b (hidden revision '0dec01379d3b' is pruned) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with splitted commit ================================ Test setup ---------- $ hg init $TESTTMP/local-split $ cd $TESTTMP/local-split $ mkcommit ROOT $ echo 42 >> a $ echo 43 >> b $ hg commit -A -m "A0" adding a adding b $ hg log --hidden -G @ changeset: 1:471597cad322 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT # Simulate a split $ hg up 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ echo 42 >> a $ hg commit -A -m "A0" adding a created new head $ echo 43 >> b $ hg commit -A -m "A0" adding b $ hg debugobsolete `getid '1'` `getid '2'` `getid '3'` obsoleted 1 changesets $ hg log --hidden -G @ changeset: 3:f257fde29c7a | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 2:337fec4d2edc | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | | x changeset: 1:471597cad322 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: split as 2:337fec4d2edc, 3:f257fde29c7a | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update 471597cad322 abort: hidden revision '471597cad322' was split as: 337fec4d2edc, f257fde29c7a! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'min(desc(A0))' updating to a hidden changeset 471597cad322 (hidden revision '471597cad322' was split as: 337fec4d2edc, f257fde29c7a) 0 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with lots of splitted commit ======================================== Test setup ---------- $ hg init $TESTTMP/local-lots-split $ cd $TESTTMP/local-lots-split $ mkcommit ROOT $ echo 42 >> a $ echo 43 >> b $ echo 44 >> c $ echo 45 >> d $ hg commit -A -m "A0" adding a adding b adding c adding d $ hg log --hidden -G @ changeset: 1:de7290d8b885 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT # Simulate a split $ hg up 0 0 files updated, 0 files merged, 4 files removed, 0 files unresolved $ echo 42 >> a $ hg commit -A -m "A0" adding a created new head $ echo 43 >> b $ hg commit -A -m "A0" adding b $ echo 44 >> c $ hg commit -A -m "A0" adding c $ echo 45 >> d $ hg commit -A -m "A0" adding d $ hg debugobsolete `getid '1'` `getid '2'` `getid '3'` `getid '4'` `getid '5'` obsoleted 1 changesets $ hg log --hidden -G @ changeset: 5:c7f044602e9b | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 4:1ae8bc733a14 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 3:f257fde29c7a | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 2:337fec4d2edc | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | | x changeset: 1:de7290d8b885 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: split as 2:337fec4d2edc, 3:f257fde29c7a, 4:1ae8bc733a14, 5:c7f044602e9b | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update de7290d8b885 abort: hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'min(desc(A0))' updating to a hidden changeset de7290d8b885 (hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more) 0 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with folded commit ============================== Test setup ---------- $ hg init $TESTTMP/local-fold $ cd $TESTTMP/local-fold $ mkcommit ROOT $ mkcommit A0 $ mkcommit B0 $ hg log --hidden -G @ changeset: 2:0dec01379d3b | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: B0 | o changeset: 1:471f378eab4c | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT # Simulate a fold $ hg up 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ echo "A0" > A0 $ echo "B0" > B0 $ hg add A0 B0 $ hg commit -m "C0" created new head $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(C0)'` obsoleted 1 changesets 1 new orphan changesets $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(C0)'` obsoleted 1 changesets $ hg log --hidden -G @ changeset: 3:eb5a0daa2192 | tag: tip | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: C0 | | x changeset: 2:0dec01379d3b | | user: test | | date: Thu Jan 01 00:00:00 1970 +0000 | | obsolete: rewritten as 3:eb5a0daa2192 | | summary: B0 | | | x changeset: 1:471f378eab4c |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten as 3:eb5a0daa2192 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update 471f378eab4c abort: hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'desc(A0)' updating to a hidden changeset 471f378eab4c (hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192) 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg update 0dec01379d3b abort: hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'desc(B0)' updating to a hidden changeset 0dec01379d3b (hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with divergence =========================== Test setup ---------- $ hg init $TESTTMP/local-divergence $ cd $TESTTMP/local-divergence $ mkcommit ROOT $ mkcommit A0 $ hg commit --amend -m "A1" $ hg log --hidden -G @ changeset: 2:fdf9bde5129a | tag: tip | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A1 | | x changeset: 1:471f378eab4c |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten using amend as 2:fdf9bde5129a | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT $ hg update --hidden 'desc(A0)' updating to a hidden changeset 471f378eab4c (hidden revision '471f378eab4c' was rewritten as: fdf9bde5129a) 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg commit --amend -m "A2" 2 new content-divergent changesets $ hg log --hidden -G @ changeset: 3:65b757b745b9 | tag: tip | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | instability: content-divergent | summary: A2 | | * changeset: 2:fdf9bde5129a |/ parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | instability: content-divergent | summary: A1 | | x changeset: 1:471f378eab4c |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten using amend as 2:fdf9bde5129a | obsolete: rewritten using amend as 3:65b757b745b9 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update 471f378eab4c abort: hidden revision '471f378eab4c' has diverged! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'desc(A0)' updating to a hidden changeset 471f378eab4c (hidden revision '471f378eab4c' has diverged) 0 files updated, 0 files merged, 0 files removed, 0 files unresolved Test output with amended + folded commit ======================================== Test setup ---------- $ hg init $TESTTMP/local-amend-fold $ cd $TESTTMP/local-amend-fold $ mkcommit ROOT $ mkcommit A0 $ mkcommit B0 $ hg commit --amend -m "B1" $ hg log --hidden -G @ changeset: 3:b7ea6d14e664 | tag: tip | parent: 1:471f378eab4c | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: B1 | | x changeset: 2:0dec01379d3b |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten using amend as 3:b7ea6d14e664 | summary: B0 | o changeset: 1:471f378eab4c | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT # Simulate a fold $ hg up 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ echo "A0" > A0 $ echo "B0" > B0 $ hg add A0 B0 $ hg commit -m "C0" created new head $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(C0)'` obsoleted 1 changesets 1 new orphan changesets $ hg debugobsolete `getid 'desc(B1)'` `getid 'desc(C0)'` obsoleted 1 changesets $ hg log --hidden -G @ changeset: 4:eb5a0daa2192 | tag: tip | parent: 0:ea207398892e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: C0 | | x changeset: 3:b7ea6d14e664 | | parent: 1:471f378eab4c | | user: test | | date: Thu Jan 01 00:00:00 1970 +0000 | | obsolete: rewritten as 4:eb5a0daa2192 | | summary: B1 | | | | x changeset: 2:0dec01379d3b | |/ user: test | | date: Thu Jan 01 00:00:00 1970 +0000 | | obsolete: rewritten using amend as 3:b7ea6d14e664 | | summary: B0 | | | x changeset: 1:471f378eab4c |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | obsolete: rewritten as 4:eb5a0daa2192 | summary: A0 | o changeset: 0:ea207398892e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: ROOT Actual test ----------- $ hg update 471f378eab4c abort: hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192! (use --hidden to access hidden revisions) [255] $ hg update --hidden 'desc(A0)' updating to a hidden changeset 471f378eab4c (hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192) 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg update --hidden 0dec01379d3b updating to a hidden changeset 0dec01379d3b (hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg update 0dec01379d3b 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg update --hidden 'desc(B0)' 0 files updated, 0 files merged, 0 files removed, 0 files unresolved