rev-branch-cache: fix message about overwritten data
If there is data at the end we ignore, we should not count them as overwritten.
This reveal that we something don't overwrite anything, this will be taken car
of in the next changeset.
$ hg init test-content
$ cd test-content
$ hg debugbuilddag '+2*2*3*4+7'
$ hg bookmark -r 1 @
$ hg log -G --template '{rev}:{node|short}'
o 11:1d876b1f862c
|
o 10:ea5f71948eb8
|
o 9:f1b0356d867a
|
o 8:e8d1253fb0d7
|
o 7:d423bbba4459
|
o 6:a2f58e9c1e56
|
o 5:3a367db1fabc
|
o 4:e7bd5218ca15
|
| o 3:6100d3090acf
|/
| o 2:fa942426a6fd
|/
| o 1:66f7d451a68b
|/
o 0:1ea73414a91b
$ hg --config extensions.closehead= close-head -m 'Not a head' 0 1
abort: revision is not an open head: 0
[255]
$ hg --config extensions.closehead= close-head -m 'Not a head' -r 0 1
abort: revision is not an open head: 0
[255]
$ hg id
000000000000
$ hg --config extensions.closehead= close-head -m 'Close old heads' -r 1 2
$ hg id
000000000000
$ hg bookmark
@ 1:66f7d451a68b
$ hg heads
changeset: 11:1d876b1f862c
user: debugbuilddag
date: Thu Jan 01 00:00:11 1970 +0000
summary: r11
changeset: 3:6100d3090acf
parent: 0:1ea73414a91b
user: debugbuilddag
date: Thu Jan 01 00:00:03 1970 +0000
summary: r3
$ hg --config extensions.closehead= close-head -m 'Close more old heads' -r 11
$ hg heads
changeset: 3:6100d3090acf
parent: 0:1ea73414a91b
user: debugbuilddag
date: Thu Jan 01 00:00:03 1970 +0000
summary: r3
$ hg --config extensions.closehead= close-head -m 'Not a head' 0
abort: revision is not an open head: 0
[255]
$ hg --config extensions.closehead= close-head -m 'Already closed head' 1
abort: revision is not an open head: 1
[255]
$ hg init ../test-empty
$ cd ../test-empty
$ hg debugbuilddag '+1'
$ hg log -G --template '{rev}:{node|short}'
o 0:1ea73414a91b
$ hg --config extensions.closehead= close-head -m 'Close initial revision' 0
$ hg heads
[1]