graphlog: split the actual DAG grapher out into a separate method
This allows extensions like pbranch to use asciigraph() to graph dependencies
for patch branches, but could be used for basically any DAG.
#!/bin/sh
commit()
{
msg=$1
p1=$2
p2=$3
if [ "$p1" ]; then
hg up -qC $p1
fi
if [ "$p2" ]; then
HGMERGE=true hg merge -q $p2
fi
echo >> foo
hg commit -d '0 0' -qAm "$msg"
}
hg init repo
cd repo
echo '[extensions]' > .hg/hgrc
echo 'hgext.parentrevspec =' >> .hg/hgrc
commit '0: add foo'
commit '1: change foo 1'
commit '2: change foo 2a'
commit '3: change foo 3a'
commit '4: change foo 2b' 1
commit '5: merge' 3 4
commit '6: change foo again'
hg log --template '#rev#:#node|short# #parents#\n'
echo
lookup()
{
for rev in "$@"; do
printf "$rev: "
hg id -nr $rev
done
true
}
tipnode=`hg id -ir tip`
echo 'should work with tag/branch/node/rev'
for r in tip default $tipnode 6; do
lookup "$r^"
done
echo
echo 'some random lookups'
lookup "6^^" "6^^^" "6^^^^" "6^^^^^" "6^^^^^^" "6^1" "6^2" "6^^2" "6^1^2" "6^^3"
lookup "6~" "6~1" "6~2" "6~3" "6~4" "6~5" "6~42" "6~1^2" "6~1^2~2"
echo
echo 'with a tag "6^" pointing to rev 1'
hg tag -l -r 1 "6^"
lookup "6^" "6^1" "6~1" "6^^"
echo
echo 'with a tag "foo^bar" pointing to rev 2'
hg tag -l -r 2 "foo^bar"
lookup "foo^bar" "foo^bar^"