#!/bin/sh

hg init t

cd t

hg branches

echo foo > a

hg add a

hg ci -m "initial" -d "1000000 0"

hg branch foo

hg branch

hg ci -m "add branch name" -d "1000000 0"

hg branch bar

hg ci -m "change branch name" -d "1000000 0"

hg branch ""

hg ci -m "clear branch name" -d "1000000 0"

hg co foo

hg branch

echo bleah > a

hg ci -m "modify a branch" -d "1000000 0"

hg merge

hg branch

hg ci -m "merge" -d "1000000 0"

hg log

hg branches

hg branches -q

echo % test for invalid branch cache

hg rollback

cp .hg/branches.cache .hg/bc-invalid

hg log -r foo

cp .hg/bc-invalid .hg/branches.cache

hg --debug log -r foo

rm .hg/branches.cache

echo corrupted > .hg/branches.cache

hg log -qr foo

cat .hg/branches.cache

echo % test for different branch cache features

echo '4909a3732169c0c20011c4f4b8fdff4e3d89b23f 4' > .hg/branches.cache

hg branches --debug

echo ' features: unnamed dummy foo bar' > .hg/branches.cache

hg branches --debug

echo ' features: dummy' > .hg/branches.cache

hg branches --debug

echo % test old hg reading branch cache with feature list

python << EOF

import binascii

f = file('.hg/branches.cache')

lines = f.read().split('\n')

f.close()

firstline = lines[0]

last, lrev = lines.pop(0).rstrip().split(" ", 1)

try:

    last, lrev = binascii.unhexlify(last), int(lrev)

except ValueError, inst:

    if str(inst) == "invalid literal for int():%s" % firstline:

        print "ValueError raised correctly, good."

    else:

        print "ValueError: %s" % inst

EOF

echo % update with no arguments: tipmost revision of the current branch

hg up -q -C 0

hg up -q

hg id

hg up -q 1

hg up -q

hg id