Fix hg push and hg push -r sometimes creating new heads without --force.
Fixing issue179.
The algorithm checks if there not more new heads on the remote side than heads
which become non-heads due to getting children.
Pushing this repo:
m
/\
3 3a|
|/ /
2 2a
|/
1
to a repo only having 1, 2 and 3 didn't abort requiring --force before.
Added test cases for this and some doc strings for used methods.
#!/bin/sh
hg init test
cd test
cat >>afile <<EOF
0
EOF
hg add afile
hg commit -m "0.0"
cat >>afile <<EOF
1
EOF
hg commit -m "0.1"
cat >>afile <<EOF
2
EOF
hg commit -m "0.2"
cat >>afile <<EOF
3
EOF
hg commit -m "0.3"
hg update -C 0
cat >>afile <<EOF
1
EOF
hg commit -m "1.1"
cat >>afile <<EOF
2
EOF
hg commit -m "1.2"
cat >fred <<EOF
a line
EOF
cat >>afile <<EOF
3
EOF
hg add fred
hg commit -m "1.3"
hg mv afile adifferentfile
hg commit -m "1.3m"
hg update -C 3
hg mv afile anotherfile
hg commit -m "0.3m"
hg debugindex .hg/data/afile.i
hg debugindex .hg/data/adifferentfile.i
hg debugindex .hg/data/anotherfile.i
hg debugindex .hg/data/fred.i
hg debugindex .hg/00manifest.i
hg verify
cd ..
for i in 0 1 2 3 4 5 6 7 8; do
hg clone -r "$i" test test-"$i"
cd test-"$i"
hg verify
cd ..
done
cd test-8
hg pull ../test-7
hg verify