Correct optimization from 3464f5e77f34; add a test.
If there are two (or more) heads that point to the same .hgtags
node, we can safely skip parsing the file in all but the last head.
(In 3464f5e77f34, we were parsing the file in the first head and
skipping all the others.)
#!/bin/sh
hg init repo1
cd repo1
mkdir a b a/1 b/1 b/2
touch in_root a/in_a b/in_b a/1/in_a_1 b/1/in_b_1 b/2/in_b_2
echo "hg status in repo root:"
hg status
echo "hg status . in repo root:"
hg status .
for dir in a b a/1 b/1 b/2; do
echo "hg status in $dir:"
hg status --cwd "$dir"
echo "hg status . in $dir:"
hg status --cwd "$dir" .
echo "hg status .. in $dir:"
hg status --cwd "$dir" ..
done
cd ..
hg init repo2
cd repo2
touch modified removed deleted ignored
echo "ignored" > .hgignore
hg ci -A -m 'initial checkin' -d "1000000 0"
sleep 1 # make sure mtime is changed
touch modified added unknown ignored
hg add added
hg remove removed
rm deleted
echo "hg status:"
hg status
echo "hg status modified added removed deleted unknown never-existed ignored:"
hg status modified added removed deleted unknown never-existed ignored
hg copy modified copied
echo "hg status -C:"
hg status -C
echo "hg status -t:"
hg status -t
echo "hg status -A:"
hg status -A