topics: add t0 and b0 to the stack
t0 or b0 will be the base of the stack and it's the parent of t1 or b1. The cool
thing about this is that if you update to t0 using `hg up t0` or do `hg prev` on
t1, you will be updated to t0 with the current topic preserved.
This patch adds t0 to stack and implement the preserving topic case for t0 while
using `hg update`.
============================================Testingobsolescencemarkerspush:CasesB.6============================================Mercurialpushesobsolescencesmarkersrelevanttothe"pushed-set",thesetofallchangesetsthatrequestedtobe"in sync"afterthepush(eveniftheyarealreadyonbothside).Thistestbelongstoaseriesoftestscheckingsuchsetisproperlycomputedandapplied.Thisdoesnottests"obsmarkers"discoverycapabilities.CategoryB:pruningcaseTestCase6:PrunedchangesetwithprecursorsnotinpushedsetB.6Prunedchangesetwithprecursorsnotinpushedset======================================================..{{{..Bø⇠⊗B'.. | |.. A ○ |.. |/.. ● O.. }}}.... Marker exist from:.... * `B ø⇠⊗ B'`..*B' prune.... Command run:.... * hg push -r O.... Expected exchange:.... * `B ø⇠⊗ B'`..*B' pruneSetup----- $ . $TESTDIR/testlib/exchange-obsmarker-util.shInitial $ setuprepos B.6 creating test repo for test case B.6 - pulldest - main - pushdest cd into `main` and proceed with env setup $ cd main $ mkcommit A $ mkcommit B0 $ hg up --quiet 0 $ mkcommit B1 created new head $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(B1)'` $ hg prune -qd '00' . $ hg log -G --hidden x f6298a8ac3a4 (draft): B1 | | x 962ecf6b1afc (draft): B0 | | | o f5bc6836db60 (draft): A |/ @ a9bdc8b26820 (public): O $ inspect_obsmarkers obsstore content ================ 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) obshashtree =========== a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04 6d4265767de9c3095bc6ec62648c64610d3fe9cd f5bc6836db60e308a17ba08bf050154ba9c4fad7 52260e159f886b089e44a0eb7325683e93a18a5a 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b 4f5b201f1c8023e258712dcd02ca1239b41a91c4 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 8e0762e9ba2cff99bfa111d56788341de35e80b1 obshashrange ============ rev node index size depth obshash 1 f5bc6836db60 0 2 2 000000000000 0 a9bdc8b26820 0 1 1 6d4265767de9 1 f5bc6836db60 1 1 2 000000000000 $ cd .. $ cd ..Actual Test------------------------------------- $ dotest B.6 O ## Running testcase B.6 # testing echange of "O" (a9bdc8b26820) ## initial state # obstore: main 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) # obstore: pushdest # obstore: pulldest ## pushing "O" from main to pushdest pushing to pushdest searching for changes no changes found remote: 2 new obsolescence markers ## post push state # obstore: main 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) # obstore: pushdest 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) # obstore: pulldest ## pulling "a9bdc8b26820" from main into pulldest pulling from main no changes found 2 new obsolescence markers ## post pull state # obstore: main 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) # obstore: pushdest 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob) # obstore: pulldest 962ecf6b1afc94e15c7e48fdfb76ef8abd11372b f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (*) {'user': 'test'} (glob) f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (*) {'ef1': '*', 'user': 'test'} (glob)