2007-11-22 08:06:44 +01:00
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#!/bin/sh
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test_description='rewrite diff'
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. ./test-lib.sh
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test_expect_success setup '
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2008-08-08 11:26:28 +02:00
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cat "$TEST_DIRECTORY"/../COPYING >test &&
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2007-11-22 08:06:44 +01:00
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git add test &&
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tr portability fixes
Specifying character ranges in tr differs between System V
and POSIX. In System V, brackets are required (e.g.,
'[A-Z]'), whereas in POSIX they are not.
We can mostly get around this by just using the bracket form
for both sets, as in:
tr '[A-Z] '[a-z]'
in which case POSIX interpets this as "'[' becomes '['",
which is OK.
However, this doesn't work with multiple sequences, like:
# rot13
tr '[A-Z][a-z]' '[N-Z][A-M][n-z][a-m]'
where the POSIX version does not behave the same as the
System V version. In this case, we must simply enumerate the
sequence.
This patch fixes problematic uses of tr in git scripts and
test scripts in one of three ways:
- if a single sequence, make sure it uses brackets
- if multiple sequences, enumerate
- if extra brackets (e.g., tr '[A]' 'a'), eliminate
brackets
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-03-12 22:29:57 +01:00
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tr \
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \
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"nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM" \
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2011-03-01 01:11:55 +01:00
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<"$TEST_DIRECTORY"/../COPYING >test &&
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echo "to be deleted" >test2 &&
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git add test2
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2007-11-22 08:06:44 +01:00
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'
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test_expect_success 'detect rewrite' '
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actual=$(git diff-files -B --summary test) &&
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expr "$actual" : " rewrite test ([0-9]*%)$" || {
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echo "Eh? <<$actual>>"
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false
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}
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'
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2011-03-01 01:11:55 +01:00
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cat >expect <<EOF
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diff --git a/test2 b/test2
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deleted file mode 100644
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index 4202011..0000000
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--- a/test2
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+++ /dev/null
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@@ -1 +0,0 @@
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-to be deleted
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EOF
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test_expect_success 'show deletion diff without -D' '
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rm test2 &&
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git diff -- test2 >actual &&
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test_cmp expect actual
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'
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cat >expect <<EOF
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diff --git a/test2 b/test2
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deleted file mode 100644
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index 4202011..0000000
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EOF
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test_expect_success 'suppress deletion diff with -D' '
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git diff -D -- test2 >actual &&
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test_cmp expect actual
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'
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test_expect_success 'show deletion diff with -B' '
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git diff -B -- test >actual &&
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grep "Linus Torvalds" actual
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'
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test_expect_success 'suppress deletion diff with -B -D' '
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git diff -B -D -- test >actual &&
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grep -v "Linus Torvalds" actual
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'
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2007-11-22 08:06:44 +01:00
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test_done
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