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t/t6001-rev-list-graft.sh: use the $( ... ) construct for command substitution
The Git CodingGuidelines prefer the $(...) construct for command substitution instead of using the backquotes `...`. The backquoted form is the traditional method for command substitution, and is supported by POSIX. However, all but the simplest uses become complicated quickly. In particular, embedded command substitutions and/or the use of double quotes require careful escaping with the backslash character. The patch was generated by: for _f in $(find . -name "*.sh") do perl -i -pe 'BEGIN{undef $/;} s/`(.+?)`/\$(\1)/smg' "${_f}" done and then carefully proof-read. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -10,15 +10,15 @@ test_expect_success setup '
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echo >subdir/fileB fileB &&
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git add fileA subdir/fileB &&
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git commit -a -m "Initial in one history." &&
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A0=`git rev-parse --verify HEAD` &&
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A0=$(git rev-parse --verify HEAD) &&
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echo >fileA fileA modified &&
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git commit -a -m "Second in one history." &&
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A1=`git rev-parse --verify HEAD` &&
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A1=$(git rev-parse --verify HEAD) &&
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echo >subdir/fileB fileB modified &&
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git commit -a -m "Third in one history." &&
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A2=`git rev-parse --verify HEAD` &&
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A2=$(git rev-parse --verify HEAD) &&
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rm -f .git/refs/heads/master .git/index &&
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@ -26,15 +26,15 @@ test_expect_success setup '
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echo >subdir/fileB fileB again &&
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git add fileA subdir/fileB &&
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git commit -a -m "Initial in alternate history." &&
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B0=`git rev-parse --verify HEAD` &&
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B0=$(git rev-parse --verify HEAD) &&
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echo >fileA fileA modified in alternate history &&
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git commit -a -m "Second in alternate history." &&
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B1=`git rev-parse --verify HEAD` &&
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B1=$(git rev-parse --verify HEAD) &&
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echo >subdir/fileB fileB modified in alternate history &&
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git commit -a -m "Third in alternate history." &&
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B2=`git rev-parse --verify HEAD` &&
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B2=$(git rev-parse --verify HEAD) &&
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: done
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'
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