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git/t/t9802-git-p4-filetype.sh
Jeff King 7c0afdf23c t: use portable wrapper for readlink(1)
Not all systems have a readlink program available for use by the shell.
This causes t3210 to fail on at least AIX. Let's provide a perl
one-liner to do the same thing, and use it there.

I also updated calls in t9802. Nobody reported failure there, but it's
the same issue. Presumably nobody actually tests with p4 on AIX in the
first place (if it is even available there).

I left the use of readlink in the "--valgrind" setup in test-lib.sh, as
valgrind isn't available on exotic platforms anyway (and I didn't want
to increase dependencies between test-lib.sh and test-lib-functions.sh).

There's one other curious case. Commit d2addc3b96 (t7800: readlink may
not be available, 2016-05-31) fixed a similar case. We can't use our
wrapper function there, though, as it's inside a sub-script triggered by
Git. It uses a slightly different technique ("ls" piped to "sed"). I
chose not to use that here as it gives confusing "ls -l" output if the
file is unexpectedly not a symlink (which is OK for its limited use, but
potentially confusing for general use within the test suite). The perl
version emits the empty string.

Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-19 15:26:05 +09:00

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#!/bin/sh
test_description='git p4 filetype tests'
. ./lib-git-p4.sh
test_expect_success 'start p4d' '
start_p4d
'
#
# This series of tests checks newline handling Both p4 and
# git store newlines as \n, and have options to choose how
# newlines appear in checked-out files.
#
test_expect_success 'p4 client newlines, unix' '
(
cd "$cli" &&
p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
printf "unix\ncrlf\n" >f-unix &&
printf "unix\r\ncrlf\r\n" >f-unix-as-crlf &&
p4 add -t text f-unix &&
p4 submit -d f-unix &&
# LineEnd: unix; should be no change after sync
cp f-unix f-unix-orig &&
p4 sync -f &&
test_cmp f-unix-orig f-unix &&
# make sure stored in repo as unix newlines
# use sed to eat python-appended newline
p4 -G print //depot/f-unix | marshal_dump data 2 |\
sed \$d >f-unix-p4-print &&
test_cmp f-unix-orig f-unix-p4-print &&
# switch to win, make sure lf -> crlf
p4 client -o | sed "/LineEnd/s/:.*/:win/" | p4 client -i &&
p4 sync -f &&
test_cmp f-unix-as-crlf f-unix
)
'
test_expect_success 'p4 client newlines, win' '
(
cd "$cli" &&
p4 client -o | sed "/LineEnd/s/:.*/:win/" | p4 client -i &&
printf "win\r\ncrlf\r\n" >f-win &&
printf "win\ncrlf\n" >f-win-as-lf &&
p4 add -t text f-win &&
p4 submit -d f-win &&
# LineEnd: win; should be no change after sync
cp f-win f-win-orig &&
p4 sync -f &&
test_cmp f-win-orig f-win &&
# make sure stored in repo as unix newlines
# use sed to eat python-appened newline
p4 -G print //depot/f-win | marshal_dump data 2 |\
sed \$d >f-win-p4-print &&
test_cmp f-win-as-lf f-win-p4-print &&
# switch to unix, make sure lf -> crlf
p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
p4 sync -f &&
test_cmp f-win-as-lf f-win
)
'
test_expect_success 'ensure blobs store only lf newlines' '
test_when_finished cleanup_git &&
(
cd "$git" &&
git init &&
git p4 sync //depot@all &&
# verify the files in .git are stored only with newlines
o=$(git ls-tree p4/master -- f-unix | cut -f1 | cut -d\ -f3) &&
git cat-file blob $o >f-unix-blob &&
test_cmp "$cli"/f-unix-orig f-unix-blob &&
o=$(git ls-tree p4/master -- f-win | cut -f1 | cut -d\ -f3) &&
git cat-file blob $o >f-win-blob &&
test_cmp "$cli"/f-win-as-lf f-win-blob &&
rm f-unix-blob f-win-blob
)
'
test_expect_success 'gitattributes setting eol=lf produces lf newlines' '
test_when_finished cleanup_git &&
(
# checkout the files and make sure core.eol works as planned
cd "$git" &&
git init &&
echo "* eol=lf" >.gitattributes &&
git p4 sync //depot@all &&
git checkout -b master p4/master &&
test_cmp "$cli"/f-unix-orig f-unix &&
test_cmp "$cli"/f-win-as-lf f-win
)
'
test_expect_success 'gitattributes setting eol=crlf produces crlf newlines' '
test_when_finished cleanup_git &&
(
# checkout the files and make sure core.eol works as planned
cd "$git" &&
git init &&
echo "* eol=crlf" >.gitattributes &&
git p4 sync //depot@all &&
git checkout -b master p4/master &&
test_cmp "$cli"/f-unix-as-crlf f-unix &&
test_cmp "$cli"/f-win-orig f-win
)
'
test_expect_success 'crlf cleanup' '
(
cd "$cli" &&
rm f-unix-orig f-unix-as-crlf &&
rm f-win-orig f-win-as-lf &&
p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
p4 sync -f
)
'
test_expect_success 'utf-16 file create' '
(
cd "$cli" &&
# p4 saves this verbatim
printf "three\nline\ntext\n" >f-ascii &&
p4 add -t text f-ascii &&
# p4 adds \377\376 header
cp f-ascii f-ascii-as-utf16 &&
p4 add -t utf16 f-ascii-as-utf16 &&
# p4 saves this exactly as iconv produced it
printf "three\nline\ntext\n" | iconv -f ascii -t utf-16 >f-utf16 &&
p4 add -t utf16 f-utf16 &&
# this also is unchanged
cp f-utf16 f-utf16-as-text &&
p4 add -t text f-utf16-as-text &&
p4 submit -d "f files" &&
# force update of client files
p4 sync -f
)
'
test_expect_success 'utf-16 file test' '
test_when_finished cleanup_git &&
git p4 clone --dest="$git" //depot@all &&
(
cd "$git" &&
test_cmp "$cli/f-ascii" f-ascii &&
test_cmp "$cli/f-ascii-as-utf16" f-ascii-as-utf16 &&
test_cmp "$cli/f-utf16" f-utf16 &&
test_cmp "$cli/f-utf16-as-text" f-utf16-as-text
)
'
test_expect_success 'keyword file create' '
(
cd "$cli" &&
printf "id\n\$Id\$\n\$Author\$\ntext\n" >k-text-k &&
p4 add -t text+k k-text-k &&
cp k-text-k k-text-ko &&
p4 add -t text+ko k-text-ko &&
cat k-text-k | iconv -f ascii -t utf-16 >k-utf16-k &&
p4 add -t utf16+k k-utf16-k &&
cp k-utf16-k k-utf16-ko &&
p4 add -t utf16+ko k-utf16-ko &&
p4 submit -d "k files" &&
p4 sync -f
)
'
build_smush() {
cat >k_smush.py <<-\EOF &&
import re, sys
sys.stdout.write(re.sub(r'(?i)\$(Id|Header|Author|Date|DateTime|Change|File|Revision):[^$]*\$', r'$\1$', sys.stdin.read()))
EOF
cat >ko_smush.py <<-\EOF
import re, sys
sys.stdout.write(re.sub(r'(?i)\$(Id|Header):[^$]*\$', r'$\1$', sys.stdin.read()))
EOF
}
test_expect_success 'keyword file test' '
build_smush &&
test_when_finished rm -f k_smush.py ko_smush.py &&
test_when_finished cleanup_git &&
git p4 clone --dest="$git" //depot@all &&
(
cd "$git" &&
# text, ensure unexpanded
"$PYTHON_PATH" "$TRASH_DIRECTORY/k_smush.py" <"$cli/k-text-k" >cli-k-text-k-smush &&
test_cmp cli-k-text-k-smush k-text-k &&
"$PYTHON_PATH" "$TRASH_DIRECTORY/ko_smush.py" <"$cli/k-text-ko" >cli-k-text-ko-smush &&
test_cmp cli-k-text-ko-smush k-text-ko &&
# utf16, even though p4 expands keywords, git p4 does not
# try to undo that
test_cmp "$cli/k-utf16-k" k-utf16-k &&
test_cmp "$cli/k-utf16-ko" k-utf16-ko
)
'
build_gendouble() {
cat >gendouble.py <<-\EOF
import sys
import struct
s = struct.pack(b">LL18s",
0x00051607, # AppleDouble
0x00020000, # version 2
b"" # pad to 26 bytes
)
getattr(sys.stdout, 'buffer', sys.stdout).write(s)
EOF
}
test_expect_success 'ignore apple' '
test_when_finished rm -f gendouble.py &&
build_gendouble &&
(
cd "$cli" &&
test-tool genrandom apple 1024 >double.png &&
"$PYTHON_PATH" "$TRASH_DIRECTORY/gendouble.py" >%double.png &&
p4 add -t apple double.png &&
p4 submit -d appledouble
) &&
test_when_finished cleanup_git &&
git p4 clone --dest="$git" //depot@all &&
(
cd "$git" &&
test ! -f double.png
)
'
test_expect_success SYMLINKS 'create p4 symlink' '
cd "$cli" &&
ln -s symlink-target symlink &&
p4 add symlink &&
p4 submit -d "add symlink"
'
test_expect_success SYMLINKS 'ensure p4 symlink parsed correctly' '
test_when_finished cleanup_git &&
git p4 clone --dest="$git" //depot@all &&
(
cd "$git" &&
test -L symlink &&
test $(test_readlink symlink) = symlink-target
)
'
test_expect_success SYMLINKS 'empty symlink target' '
(
# first create the file as a file
cd "$cli" &&
>empty-symlink &&
p4 add empty-symlink &&
p4 submit -d "add empty-symlink as a file"
) &&
(
# now change it to be a symlink to "target1"
cd "$cli" &&
p4 edit empty-symlink &&
p4 reopen -t symlink empty-symlink &&
rm empty-symlink &&
ln -s target1 empty-symlink &&
p4 add empty-symlink &&
p4 submit -d "make empty-symlink point to target1"
) &&
(
# Hack the p4 depot to make the symlink point to nothing;
# this should not happen in reality, but shows up
# in p4 repos in the wild.
#
# The sed expression changes this:
# @@
# text
# @target1
# @
# to this:
# @@
# text
# @@
#
cd "$db/depot" &&
sed "/@target1/{; s/target1/@/; n; d; }" \
empty-symlink,v >empty-symlink,v.tmp &&
mv empty-symlink,v.tmp empty-symlink,v
) &&
(
# Make sure symlink really is empty. Asking
# p4 to sync here will make it generate errors.
cd "$cli" &&
p4 print -q //depot/empty-symlink#2 >out &&
test_must_be_empty out
) &&
test_when_finished cleanup_git &&
# make sure git p4 handles it without error
git p4 clone --dest="$git" //depot@all &&
# fix the symlink, make it point to "target2"
(
cd "$cli" &&
p4 open empty-symlink &&
rm empty-symlink &&
ln -s target2 empty-symlink &&
p4 submit -d "make empty-symlink point to target2"
) &&
cleanup_git &&
git p4 clone --dest="$git" //depot@all &&
(
cd "$git" &&
test $(test_readlink empty-symlink) = target2
)
'
test_done