commit 4753ad4f1dbd7fa3233ead5770e9c8bd619b8d07 Author: Nick Mathewson <nickm@torproject.org> Date: Tue Jul 9 12:54:39 2013 -0400 Add a script to compare directories full of gcov output We can't just use "diff", since we don't care about changes in line numbers, or changes in the exact number of times a line was called. We just care about changes that make lines covered or non-coverd. So pre-process the files before calling diff. --- contrib/cov-diff | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/contrib/cov-diff b/contrib/cov-diff new file mode 100755 index 0000000..33a5480 --- /dev/null +++ b/contrib/cov-diff @@ -0,0 +1,17 @@ +#!/bin/sh +# Copyright 2013 The Tor Project, Inc. +# See LICENSE for licensing information. + +# cov-diff -- compare two directories full of gcov files. + +DIRA="$1" +DIRB="$2" + +for A in $DIRA/*; do + B=$DIRB/`basename $A` + perl -pe 's/^\s*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/;' "$A" > "$A.tmp" + perl -pe 's/^\s*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/;' "$B" > "$B.tmp" + diff -u "$A.tmp" "$B.tmp" + rm "$A.tmp" "$B.tmp" +done +