mirror of
https://github.com/facebook/sapling.git
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2dcf98d614
Bare 'hg update' now brings you to the tipmost descendant (on the same branch). Leaving the user on the same topological branch. The previous behavior, updating to the tipmost changeset on the same branch could lead to jump from a topological branch to another. This was confusing and impractical. As the only conceivable reason for the old behavior have been address by the recently introduce message about other heads, we can "safely" change this behavior All test changes have been reviewed and seen a valid consequences.
269 lines
6.9 KiB
Perl
269 lines
6.9 KiB
Perl
# Construct the following history tree:
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#
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# @ 5:e1bb631146ca b1
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# |
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# o 4:a4fdb3b883c4 0:b608b9236435 b1
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# |
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# | o 3:4b57d2520816 1:44592833ba9f
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# | |
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# | | o 2:063f31070f65
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# | |/
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# | o 1:44592833ba9f
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# |/
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# o 0:b608b9236435
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$ mkdir b1
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$ cd b1
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$ hg init
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$ echo foo > foo
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$ echo zero > a
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$ hg init sub
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$ echo suba > sub/suba
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$ hg --cwd sub ci -Am addsuba
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adding suba
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$ echo 'sub = sub' > .hgsub
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$ hg ci -qAm0
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$ echo one > a ; hg ci -m1
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$ echo two > a ; hg ci -m2
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$ hg up -q 1
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$ echo three > a ; hg ci -qm3
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$ hg up -q 0
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$ hg branch -q b1
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$ echo four > a ; hg ci -qm4
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$ echo five > a ; hg ci -qm5
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Initial repo state:
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$ hg log -G --template '{rev}:{node|short} {parents} {branches}\n'
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@ 5:ff252e8273df b1
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o 4:d047485b3896 0:60829823a42a b1
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| o 3:6efa171f091b 1:0786582aa4b1
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| |
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| | o 2:bd10386d478c
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| o 1:0786582aa4b1
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|/
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o 0:60829823a42a
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Make sure update doesn't assume b1 is a repository if invoked from outside:
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$ cd ..
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$ hg update b1
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abort: no repository found in '$TESTTMP' (.hg not found)!
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[255]
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$ cd b1
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Test helper functions:
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$ revtest () {
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> msg=$1
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> dirtyflag=$2 # 'clean', 'dirty' or 'dirtysub'
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> startrev=$3
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> targetrev=$4
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> opt=$5
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> hg up -qC $startrev
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> test $dirtyflag = dirty && echo dirty > foo
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> test $dirtyflag = dirtysub && echo dirty > sub/suba
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> hg up $opt $targetrev
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> hg parent --template 'parent={rev}\n'
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> hg stat -S
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> }
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$ norevtest () {
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> msg=$1
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> dirtyflag=$2 # 'clean', 'dirty' or 'dirtysub'
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> startrev=$3
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> opt=$4
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> hg up -qC $startrev
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> test $dirtyflag = dirty && echo dirty > foo
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> test $dirtyflag = dirtysub && echo dirty > sub/suba
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> hg up $opt
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> hg parent --template 'parent={rev}\n'
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> hg stat -S
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> }
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Test cases are documented in a table in the update function of merge.py.
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Cases are run as shown in that table, row by row.
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$ norevtest 'none clean linear' clean 4
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=5
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$ norevtest 'none clean same' clean 2
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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1 other heads for branch "default"
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parent=2
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$ revtest 'none clean linear' clean 1 2
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=2
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$ revtest 'none clean same' clean 2 3
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=3
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$ revtest 'none clean cross' clean 3 4
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=4
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$ revtest 'none dirty linear' dirty 1 2
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=2
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M foo
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$ revtest 'none dirtysub linear' dirtysub 1 2
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=2
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M sub/suba
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$ revtest 'none dirty same' dirty 2 3
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abort: uncommitted changes
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(commit or update --clean to discard changes)
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parent=2
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M foo
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$ revtest 'none dirtysub same' dirtysub 2 3
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abort: uncommitted changes
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(commit or update --clean to discard changes)
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parent=2
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M sub/suba
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$ revtest 'none dirty cross' dirty 3 4
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abort: uncommitted changes
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(commit or update --clean to discard changes)
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parent=3
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M foo
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$ norevtest 'none dirty cross' dirty 2
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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1 other heads for branch "default"
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parent=2
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M foo
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$ revtest 'none dirtysub cross' dirtysub 3 4
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abort: uncommitted changes
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(commit or update --clean to discard changes)
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parent=3
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M sub/suba
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$ revtest '-C dirty linear' dirty 1 2 -C
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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parent=2
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$ revtest '-c dirty linear' dirty 1 2 -c
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abort: uncommitted changes
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parent=1
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M foo
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$ revtest '-c dirtysub linear' dirtysub 1 2 -c
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abort: uncommitted changes in subrepository 'sub'
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parent=1
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M sub/suba
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$ norevtest '-c clean same' clean 2 -c
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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1 other heads for branch "default"
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parent=2
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$ revtest '-cC dirty linear' dirty 1 2 -cC
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abort: cannot specify both -c/--check and -C/--clean
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parent=1
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M foo
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Test obsolescence behavior
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---------------------------------------------------------------------
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successors should be taken in account when checking head destination
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$ cat << EOF >> $HGRCPATH
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> [ui]
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> logtemplate={rev}:{node|short} {desc|firstline}
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> [experimental]
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> evolution=createmarkers
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> EOF
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Test no-argument update to a successor of an obsoleted changeset
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$ hg log -G
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o 5:ff252e8273df 5
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o 4:d047485b3896 4
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| o 3:6efa171f091b 3
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| |
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| | o 2:bd10386d478c 2
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| |/
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| @ 1:0786582aa4b1 1
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|/
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o 0:60829823a42a 0
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$ hg book bm -r 3
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$ hg status
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M foo
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We add simple obsolescence marker between 3 and 4 (indirect successors)
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$ hg id --debug -i -r 3
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6efa171f091b00a3c35edc15d48c52a498929953
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$ hg id --debug -i -r 4
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d047485b3896813b2a624e86201983520f003206
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$ hg debugobsolete 6efa171f091b00a3c35edc15d48c52a498929953 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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$ hg debugobsolete aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa d047485b3896813b2a624e86201983520f003206
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Test that 5 is detected as a valid destination from 3 and also accepts moving
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the bookmark (issue4015)
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$ hg up --quiet --hidden 3
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$ hg up 5
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg book bm
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moving bookmark 'bm' forward from 6efa171f091b
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$ hg bookmarks
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* bm 5:ff252e8273df
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Test that 4 is detected as the no-argument destination from 3 and also moves
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the bookmark with it
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$ hg up --quiet 0 # we should be able to update to 3 directly
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$ hg up --quiet --hidden 3 # but not implemented yet.
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$ hg book -f bm
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$ hg up
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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updating bookmark bm
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$ hg book
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* bm 4:d047485b3896
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Test that 5 is detected as a valid destination from 1
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$ hg up --quiet 0 # we should be able to update to 3 directly
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$ hg up --quiet --hidden 3 # but not implemented yet.
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$ hg up 5
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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Test that 5 is not detected as a valid destination from 2
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$ hg up --quiet 0
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$ hg up --quiet 2
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$ hg up 5
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abort: uncommitted changes
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(commit or update --clean to discard changes)
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[255]
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Test that we don't crash when updating from a pruned changeset (i.e. has no
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successors). Behavior should probably be that we update to the first
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non-obsolete parent but that will be decided later.
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$ hg id --debug -r 2
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bd10386d478cd5a9faf2e604114c8e6da62d3889
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$ hg up --quiet 0
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$ hg up --quiet 2
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$ hg debugobsolete bd10386d478cd5a9faf2e604114c8e6da62d3889
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$ hg up
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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Test experimental revset support
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$ hg log -r '_destupdate()'
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2:bd10386d478c 2 (no-eol)
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