Merge branch 'bb/sh-scripts-cleanup'

Shell scripts clean-up.

* bb/sh-scripts-cleanup: (22 commits)
  git-quiltimport: avoid an unnecessary subshell
  contrib/coverage-diff: avoid redundant pipelines
  t/t9*: merge "grep | sed" pipelines
  t/t8*: merge "grep | sed" pipelines
  t/t5*: merge a "grep | sed" pipeline
  t/t4*: merge a "grep | sed" pipeline
  t/t3*: merge a "grep | awk" pipeline
  t/t1*: merge a "grep | sed" pipeline
  t/t9*: avoid redundant uses of cat
  t/t8*: avoid redundant use of cat
  t/t7*: avoid redundant use of cat
  t/t6*: avoid redundant uses of cat
  t/t5*: avoid redundant uses of cat
  t/t4*: avoid redundant uses of cat
  t/t3*: avoid redundant uses of cat
  t/t1*: avoid redundant uses of cat
  t/t0*: avoid redundant uses of cat
  t/perf: avoid redundant use of cat
  t/annotate-tests.sh: avoid redundant use of cat
  t/lib-cvs.sh: avoid redundant use of cat
  ...

1 files changed, 2 insertions, 7 deletions

diff --git a/contrib/coverage-diff.sh b/contrib/coverage-diff.sh
index 4ec419f900..6ce9603568 100755
--- a/contrib/coverage-diff.sh
+++ b/contrib/coverage-diff.sh
@@ -74,8 +74,7 @@ do
 	sort >uncovered_lines.txt
 
 	comm -12 uncovered_lines.txt new_lines.txt |
-	sed -e 's/$/\)/' |
-	sed -e 's/^/ /' >uncovered_new_lines.txt
+	sed -e 's/$/\)/' -e 's/^/ /' >uncovered_new_lines.txt
 
 	grep -q '[^[:space:]]' <uncovered_new_lines.txt &&
 	echo $file >>coverage-data.txt &&
@@ -91,11 +90,7 @@ cat coverage-data.txt
 
 echo "Commits introducing uncovered code:"
 
-commit_list=$(cat coverage-data.txt |
-	grep -E '^[0-9a-f]{7,} ' |
-	awk '{print $1;}' |
-	sort |
-	uniq)
+commit_list=$(awk '/^[0-9a-f]{7,}/ { print $1 }' coverage-data.txt | sort -u)
 
 (
 	for commit in $commit_list