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Regular expressions matched by 'expr' have an implicit '^' at the beginning of them and so are anchored to the beginning of the string. Using the '^' character to mean "match at the beginning", is redundant and could produce the wrong result if 'expr' implementations interpret the '^' as a literal '^'. Additionally, GNU expr 5.97 complains like this: expr: warning: unportable BRE: `^[a-z][a-z]*$': using `^' as the first character of the basic regular expression is not portable; it is being ignored Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil> Signed-off-by: Junio C Hamano <gitster@pobox.com>
15 lines
270 B
Bash
15 lines
270 B
Bash
#!/bin/sh
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test_expect_success 'determine default pager' '
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test_might_fail git config --unset core.pager &&
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less=$(
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unset PAGER GIT_PAGER;
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git var GIT_PAGER
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) &&
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test -n "$less"
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'
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if expr "$less" : '[a-z][a-z]*$' >/dev/null
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then
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test_set_prereq SIMPLEPAGER
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fi
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