117 

   118 echo '______________'

   119 cd ..

   120 

   121 hg init newheadmsg

   122 cd newheadmsg

   123 

   124 echo '% created new head message'

   125 echo '% init: no msg'

   126 echo 1 > a

   127 hg ci -Am "a0: Initial root"

   128 echo 2 >> a

   129 hg ci -m "a1 (HN)"

   130 

   131 hg branch b

   132 echo 1 > b

   133 hg ci -Am "b2: Initial root for branch b"

   134 echo 2 >> b

   135 hg ci -m "b3 (HN)"

   136 

   137 echo '% case NN: msg'

   138 hg up -q null

   139 hg branch -f b

   140 echo 1 > B

   141 hg ci -Am "b4 (NN): new topo root for branch b"

   142 

   143 echo '% case HN: no msg'

   144 echo 2 >> B

   145 hg ci -m "b5 (HN)"

   146 

   147 echo '% case BN: msg'

   148 hg branch -f default

   149 echo 1 > A

   150 hg ci -Am "a6 (BN): new branch root"

   151 

   152 echo '% case CN: msg'

   153 hg up -q 4

   154 echo 3 >> BB

   155 hg ci -Am "b7 (CN): regular new head"

   156 

   157 echo '% case BB: msg'

   158 hg up -q 4

   159 hg merge -q 3

   160 hg branch -f default

   161 hg ci -m "a8 (BB): weird new branch root"

   162 

   163 echo '% case CB: msg'

   164 hg up -q 4

   165 hg merge -q 1

   166 hg ci -m "b9 (CB): new head from branch merge"

   167 

   168 echo '% case HB: no msg'

   169 hg up -q 7

   170 hg merge -q 6

   171 hg ci -m "b10 (HB): continuing head from branch merge"

   172 

   173 echo '% case CC: msg'

   174 hg up -q 4

   175 hg merge -q 2

   176 hg ci -m "b11 (CC): new head from merge"

   177 

   178 echo '% case CH: no msg'

   179 hg up -q 2

   180 hg merge -q 10

   181 hg ci -m "b12 (CH): continuing head from merge"

   182 

   183 echo '% case HH: no msg'

   184 hg merge -q 3

   185 hg ci -m "b12 (HH): merging two heads"

   186