# Construct the following history tree: # # @ 5:e1bb631146ca b1 # | # o 4:a4fdb3b883c4 0:b608b9236435 b1 # | # | o 3:4b57d2520816 1:44592833ba9f # | | # | | o 2:063f31070f65 # | |/ # | o 1:44592833ba9f # |/ # o 0:b608b9236435 $ hg init $ echo foo > foo $ echo zero > a $ hg ci -qAm0 $ echo one > a ; hg ci -m1 $ echo two > a ; hg ci -m2 $ hg up -q 1 $ echo three > a ; hg ci -qm3 $ hg up -q 0 $ hg branch -q b1 $ echo four > a ; hg ci -qm4 $ echo five > a ; hg ci -qm5 Initial repo state: $ hg --config 'extensions.graphlog=' \ > glog --template '{rev}:{node|short} {parents} {branches}\n' @ 5:e1bb631146ca b1 | o 4:a4fdb3b883c4 0:b608b9236435 b1 | | o 3:4b57d2520816 1:44592833ba9f | | | | o 2:063f31070f65 | |/ | o 1:44592833ba9f |/ o 0:b608b9236435 Test helper functions: $ revtest () { > msg=$1 > dirtyflag=$2 # 'clean' or 'dirty' > startrev=$3 > targetrev=$4 > opt=$5 > hg up -qC $startrev > test $dirtyflag = dirty && echo dirty > foo > hg up $opt $targetrev > hg parent --template 'parent={rev}\n' > hg stat > } $ norevtest () { > msg=$1 > dirtyflag=$2 # 'clean' or 'dirty' > startrev=$3 > opt=$4 > hg up -qC $startrev > test $dirtyflag = dirty && echo dirty > foo > hg up $opt > hg parent --template 'parent={rev}\n' > hg stat > } # Test cases are documented in a table in the update function of merge.py. # Cases are run as shown in that table, row by row. $ norevtest 'none clean linear' clean 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=5 $ norevtest 'none clean same' clean 2 abort: crosses branches (use 'hg merge' or use 'hg update -c') parent=2 $ revtest 'none clean linear' clean 1 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=2 $ revtest 'none clean same' clean 2 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=3 $ revtest 'none clean cross' clean 3 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=4 $ revtest 'none dirty linear' dirty 1 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=2 M foo $ revtest 'none dirty same' dirty 2 3 abort: crosses branches (use 'hg merge' to merge or use 'hg update -C' to discard changes) parent=2 M foo $ revtest 'none dirty cross' dirty 3 4 abort: crosses branches (use 'hg merge' to merge or use 'hg update -C' to discard changes) parent=3 M foo $ revtest '-C dirty linear' dirty 1 2 -C 2 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=2 $ revtest '-c dirty linear' dirty 1 2 -c abort: uncommitted local changes parent=1 M foo $ norevtest '-c clean same' clean 2 -c 1 files updated, 0 files merged, 0 files removed, 0 files unresolved parent=3 $ revtest '-cC dirty linear' dirty 1 2 -cC abort: cannot specify both -c/--check and -C/--clean parent=1 M foo