git/t/t0021-conversion.sh
Junio C Hamano 0c4dd67a04 filter_buffer_or_fd(): ignore EPIPE
We are explicitly ignoring SIGPIPE, as we fully expect that the
filter program may not read our output fully.  Ignore EPIPE that
may come from writing to it as well.

A new test was stolen from Jeff's suggestion.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-20 10:19:12 -07:00

230 lines
6.2 KiB
Bash
Executable file

#!/bin/sh
test_description='blob conversion via gitattributes'
. ./test-lib.sh
cat <<EOF >rot13.sh
#!$SHELL_PATH
tr \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
EOF
chmod +x rot13.sh
test_expect_success setup '
git config filter.rot13.smudge ./rot13.sh &&
git config filter.rot13.clean ./rot13.sh &&
{
echo "*.t filter=rot13"
echo "*.i ident"
} >.gitattributes &&
{
echo a b c d e f g h i j k l m
echo n o p q r s t u v w x y z
echo '\''$Id$'\''
} >test &&
cat test >test.t &&
cat test >test.o &&
cat test >test.i &&
git add test test.t test.i &&
rm -f test test.t test.i &&
git checkout -- test test.t test.i
'
script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
test_expect_success check '
cmp test.o test &&
cmp test.o test.t &&
# ident should be stripped in the repository
git diff --raw --exit-code :test :test.i &&
id=$(git rev-parse --verify :test) &&
embedded=$(sed -ne "$script" test.i) &&
test "z$id" = "z$embedded" &&
git cat-file blob :test.t > test.r &&
./rot13.sh < test.o > test.t &&
cmp test.r test.t
'
# If an expanded ident ever gets into the repository, we want to make sure that
# it is collapsed before being expanded again on checkout
test_expect_success expanded_in_repo '
{
echo "File with expanded keywords"
echo "\$Id\$"
echo "\$Id:\$"
echo "\$Id: 0000000000000000000000000000000000000000 \$"
echo "\$Id: NoSpaceAtEnd\$"
echo "\$Id:NoSpaceAtFront \$"
echo "\$Id:NoSpaceAtEitherEnd\$"
echo "\$Id: NoTerminatingSymbol"
echo "\$Id: Foreign Commit With Spaces \$"
} >expanded-keywords.0 &&
{
cat expanded-keywords.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expanded-keywords &&
cat expanded-keywords >expanded-keywords-crlf &&
git add expanded-keywords expanded-keywords-crlf &&
git commit -m "File with keywords expanded" &&
id=$(git rev-parse --verify :expanded-keywords) &&
{
echo "File with expanded keywords"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: $id \$"
echo "\$Id: NoTerminatingSymbol"
echo "\$Id: Foreign Commit With Spaces \$"
} >expected-output.0 &&
{
cat expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output &&
{
append_cr <expected-output.0 &&
printf "\$Id: NoTerminatingSymbolAtEOF"
} >expected-output-crlf &&
{
echo "expanded-keywords ident"
echo "expanded-keywords-crlf ident text eol=crlf"
} >>.gitattributes &&
rm -f expanded-keywords expanded-keywords-crlf &&
git checkout -- expanded-keywords &&
test_cmp expanded-keywords expected-output &&
git checkout -- expanded-keywords-crlf &&
test_cmp expanded-keywords-crlf expected-output-crlf
'
# The use of %f in a filter definition is expanded to the path to
# the filename being smudged or cleaned. It must be shell escaped.
# First, set up some interesting file names and pet them in
# .gitattributes.
test_expect_success 'filter shell-escaped filenames' '
cat >argc.sh <<-EOF &&
#!$SHELL_PATH
cat >/dev/null
echo argc: \$# "\$@"
EOF
normal=name-no-magic &&
special="name with '\''sq'\'' and \$x" &&
echo some test text >"$normal" &&
echo some test text >"$special" &&
git add "$normal" "$special" &&
git commit -q -m "add files" &&
echo "name* filter=argc" >.gitattributes &&
# delete the files and check them out again, using a smudge filter
# that will count the args and echo the command-line back to us
git config filter.argc.smudge "sh ./argc.sh %f" &&
rm "$normal" "$special" &&
git checkout -- "$normal" "$special" &&
# make sure argc.sh counted the right number of args
echo "argc: 1 $normal" >expect &&
test_cmp expect "$normal" &&
echo "argc: 1 $special" >expect &&
test_cmp expect "$special" &&
# do the same thing, but with more args in the filter expression
git config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
rm "$normal" "$special" &&
git checkout -- "$normal" "$special" &&
# make sure argc.sh counted the right number of args
echo "argc: 2 $normal --my-extra-arg" >expect &&
test_cmp expect "$normal" &&
echo "argc: 2 $special --my-extra-arg" >expect &&
test_cmp expect "$special" &&
:
'
test_expect_success 'required filter should filter data' '
git config filter.required.smudge ./rot13.sh &&
git config filter.required.clean ./rot13.sh &&
git config filter.required.required true &&
echo "*.r filter=required" >.gitattributes &&
cat test.o >test.r &&
git add test.r &&
rm -f test.r &&
git checkout -- test.r &&
cmp test.o test.r &&
./rot13.sh <test.o >expected &&
git cat-file blob :test.r >actual &&
cmp expected actual
'
test_expect_success 'required filter smudge failure' '
git config filter.failsmudge.smudge false &&
git config filter.failsmudge.clean cat &&
git config filter.failsmudge.required true &&
echo "*.fs filter=failsmudge" >.gitattributes &&
echo test >test.fs &&
git add test.fs &&
rm -f test.fs &&
test_must_fail git checkout -- test.fs
'
test_expect_success 'required filter clean failure' '
git config filter.failclean.smudge cat &&
git config filter.failclean.clean false &&
git config filter.failclean.required true &&
echo "*.fc filter=failclean" >.gitattributes &&
echo test >test.fc &&
test_must_fail git add test.fc
'
test_expect_success 'filtering large input to small output should use little memory' '
git config filter.devnull.clean "cat >/dev/null" &&
git config filter.devnull.required true &&
for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
echo "30MB filter=devnull" >.gitattributes &&
GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
'
test_expect_success 'filter that does not read is fine' '
test-genrandom foo $((128 * 1024 + 1)) >big &&
echo "big filter=epipe" >.gitattributes &&
git config filter.epipe.clean "echo xyzzy" &&
git add big &&
git cat-file blob :big >actual &&
echo xyzzy >expect &&
test_cmp expect actual
'
test_expect_success EXPENSIVE 'filter large file' '
git config filter.largefile.smudge cat &&
git config filter.largefile.clean cat &&
for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
echo "2GB filter=largefile" >.gitattributes &&
git add 2GB 2>err &&
! test -s err &&
rm -f 2GB &&
git checkout -- 2GB 2>err &&
! test -s err
'
test_done