tests/test-grep

test-command-template: Don't diff files with same content

Solaris diff will report "No differences encountered" on stdout

#!/bin/sh

mkdir t
cd t
hg init
echo import > port
hg add port
hg commit -m 0 -u spam -d '0 0'
echo export >> port
hg commit -m 1 -u eggs -d '1 0'
echo export > port
echo vaportight >> port
echo 'import/export' >> port
hg commit -m 2 -u spam -d '2 0'
echo 'import/export' >> port
hg commit -m 3 -u eggs -d '3 0'
head -n 3 port > port1
mv port1 port
hg commit -m 4 -u spam -d '4 0'
echo % pattern error
hg grep '**test**'
echo % simple
hg grep port port
echo % all
hg grep --all -nu port port
echo % other
hg grep import port

hg cp port port2
hg commit -m 4 -u spam -d '5 0'
echo '% follow'
hg grep -f 'import$' port2
echo deport >> port2
hg commit -m 5 -u eggs -d '6 0'
hg grep -f --all -nu port port2

cd ..
hg init t2
cd t2
hg grep foobar foo
hg grep foobar
echo blue >> color
echo black >> color
hg add color
hg ci -m 0
echo orange >> color
hg ci -m 1
echo black > color
hg ci -m 2
echo orange >> color
echo blue >> color
hg ci -m 3
hg grep orange
hg grep --all orange

echo % match in last "line" without newline
python -c 'fp = open("noeol", "wb"); fp.write("no infinite loop"); fp.close();'
hg ci -Amnoeol
echo % last character omitted in output to avoid infinite loop
hg grep loop

# Got a traceback when using grep on a single
# revision with renamed files.
cd ..
echo % issue 685
hg init issue685
cd issue685
echo octarine > color
hg ci -Amcolor
hg rename color colour
hg ci -Am rename
hg grep octarine
# Used to crash here
hg grep -r 1 octarine

# Issue337: test that grep follows parent-child relationships instead
# of just using revision numbers.
cd ..
echo % issue 337
hg init issue337
cd issue337

echo white > color
hg commit -A -m "0 white"

echo red > color
hg commit -A -m "1 red"

hg update 0
echo black > color
hg commit -A -m "2 black"

hg update --clean 1
echo blue > color
hg commit -A -m "3 blue"

hg grep --all red