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git-p4: handle utf16 filetype properly
One of the filetypes that p4 supports is utf16. Its behavior is odd in this case. The data delivered through "p4 -G print" is not encoded in utf16, although "p4 print -o" will produce the proper utf16-encoded file. When dealing with this filetype, discard the data from -G, and instead read the contents directly. An alternate approach would be to try to encode the data in python. That worked for true utf16 files, but for other files marked as utf16, p4 delivers mangled text in no recognizable encoding. Add a test case to check utf16 handling, and +k and +ko handling. Reported-by: Chris Li <git@chrisli.org> Acked-by: Luke Diamand <luke@diamand.org> Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pete Wyckoff
Junio C Hamano
parent
fc00233071
commit
55aa5714af
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@ -1238,6 +1238,15 @@ class P4Sync(Command, P4UserMap):
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data = ''.join(contents)
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contents = [data[:-1]]
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if file['type'].startswith("utf16"):
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# p4 delivers different text in the python output to -G
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# than it does when using "print -o", or normal p4 client
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# operations. utf16 is converted to ascii or utf8, perhaps.
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# But ascii text saved as -t utf16 is completely mangled.
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# Invoke print -o to get the real contents.
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text = p4_read_pipe('print -q -o - "%s"' % file['depotFile'])
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contents = [ text ]
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if self.isWindows and file["type"].endswith("text"):
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mangled = []
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for data in contents:
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@ -1245,6 +1254,8 @@ class P4Sync(Command, P4UserMap):
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mangled.append(data)
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contents = mangled
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# Note that we do not try to de-mangle keywords on utf16 files,
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# even though in theory somebody may want that.
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if file['type'] in ('text+ko', 'unicode+ko', 'binary+ko'):
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contents = map(lambda text: re.sub(r'(?i)\$(Id|Header):[^$]*\$',r'$\1$', text), contents)
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elif file['type'] in ('text+k', 'ktext', 'kxtext', 'unicode+k', 'binary+k'):
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108
t/t9802-git-p4-filetype.sh
Executable file
108
t/t9802-git-p4-filetype.sh
Executable file
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@ -0,0 +1,108 @@
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#!/bin/sh
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test_description='git-p4 p4 filetype tests'
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. ./lib-git-p4.sh
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test_expect_success 'start p4d' '
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start_p4d
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'
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test_expect_success 'utf-16 file create' '
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(
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cd "$cli" &&
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# p4 saves this verbatim
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printf "three\nline\ntext\n" >f-ascii &&
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p4 add -t text f-ascii &&
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# p4 adds \377\376 header
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cp f-ascii f-ascii-as-utf16 &&
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p4 add -t utf16 f-ascii-as-utf16 &&
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# p4 saves this exactly as iconv produced it
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printf "three\nline\ntext\n" | iconv -f ascii -t utf-16 >f-utf16 &&
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p4 add -t utf16 f-utf16 &&
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# this also is unchanged
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cp f-utf16 f-utf16-as-text &&
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p4 add -t text f-utf16-as-text &&
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p4 submit -d "f files" &&
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# force update of client files
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p4 sync -f
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)
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'
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test_expect_success 'utf-16 file test' '
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test_when_finished cleanup_git &&
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"$GITP4" clone --dest="$git" //depot@all &&
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(
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cd "$git" &&
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test_cmp "$cli/f-ascii" f-ascii &&
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test_cmp "$cli/f-ascii-as-utf16" f-ascii-as-utf16 &&
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test_cmp "$cli/f-utf16" f-utf16 &&
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test_cmp "$cli/f-utf16-as-text" f-utf16-as-text
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)
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'
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test_expect_success 'keyword file create' '
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(
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cd "$cli" &&
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printf "id\n\$Id\$\n\$Author\$\ntext\n" >k-text-k &&
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p4 add -t text+k k-text-k &&
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cp k-text-k k-text-ko &&
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p4 add -t text+ko k-text-ko &&
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cat k-text-k | iconv -f ascii -t utf-16 >k-utf16-k &&
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p4 add -t utf16+k k-utf16-k &&
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cp k-utf16-k k-utf16-ko &&
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p4 add -t utf16+ko k-utf16-ko &&
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p4 submit -d "k files" &&
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p4 sync -f
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)
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'
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build_smush() {
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cat >k_smush.py <<-\EOF &&
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import re, sys
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sys.stdout.write(re.sub(r'(?i)\$(Id|Header|Author|Date|DateTime|Change|File|Revision):[^$]*\$', r'$\1$', sys.stdin.read()))
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EOF
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cat >ko_smush.py <<-\EOF
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import re, sys
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sys.stdout.write(re.sub(r'(?i)\$(Id|Header):[^$]*\$', r'$\1$', sys.stdin.read()))
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EOF
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}
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test_expect_success 'keyword file test' '
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build_smush &&
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test_when_finished rm -f k_smush.py ko_smush.py &&
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test_when_finished cleanup_git &&
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"$GITP4" clone --dest="$git" //depot@all &&
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(
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cd "$git" &&
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# text, ensure unexpanded
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"$PYTHON_PATH" "$TRASH_DIRECTORY/k_smush.py" <"$cli/k-text-k" >cli-k-text-k-smush &&
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test_cmp cli-k-text-k-smush k-text-k &&
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"$PYTHON_PATH" "$TRASH_DIRECTORY/ko_smush.py" <"$cli/k-text-ko" >cli-k-text-ko-smush &&
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test_cmp cli-k-text-ko-smush k-text-ko &&
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# utf16, even though p4 expands keywords, git-p4 does not
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# try to undo that
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test_cmp "$cli/k-utf16-k" k-utf16-k &&
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test_cmp "$cli/k-utf16-ko" k-utf16-ko
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)
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'
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test_expect_success 'kill p4d' '
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kill_p4d
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'
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test_done
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