Move common code to "coverage.bash"

Author: myint

coverage.bash

@@ -0,0 +1,13 @@
+#!/bin/bash -ex
+#
+# Run tests with coverage reporting enabled.
+
+export CXXFLAGS='-coverage'
+export LDFLAGS='-coverage'
+
+rm -f CMakeCache.txt
+rm -rf CMakeFiles
+
+cmake -D CMAKE_BUILD_TYPE=Debug .
+
+make check

coveralls.bash

@@ -1,18 +1,9 @@
 #!/bin/bash -ex
 #
-# Run tests with coverage reporting enabled.
+# Run tests for Coveralls.
 
-export CXXFLAGS='-coverage'
-export LDFLAGS='-coverage'
+./coverage.bash
 
-rm -f CMakeCache.txt
-rm -rf CMakeFiles
-
-cmake -D CMAKE_BUILD_TYPE=Debug .
-
-make check
-
-# For Coveralls.
 path=$PWD
 for f in *.cpp *.h
 do

lcov.bash

@@ -0,0 +1,15 @@
+#!/bin/bash -ex
+#
+# Run tests with coverage reporting enabled.
+
+./coverage.bash
+
+# Create HTML report.
+lcov --directory='CMakeFiles/perceptualdiff.dir' --output-file='lcov_tmp.info' --capture
+lcov --output-file='lcov.info' --extract 'lcov_tmp.info' "$(pwd)/*"
+genhtml --output-directory='coverage_output' lcov.info
+
+# Remove intermediate lcov output.
+rm 'lcov_tmp.info'
+
+python -m webbrowser -n "file://${PWD}/coverage_output/index.html"