Add script to find all required testfiles

* Find all testfiles required to run tagparser
  and tageditor tests
* Compute sha256 checksums
* Print as array usable in C++

scripts/update_testfiles.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+if [[ ! $@ ]]; then
+    echo 'Prints the list of testfiles with their sha256 sums required by the projects in the specified directories.'
+    echo 'However, no project directories have been specified.'
+    exit -1
+fi
+
+if [[ ! -d $TEST_FILE_PATH ]]; then
+    echo 'Env variable TEST_FILE_PATH does not point to local directory.'
+    exit -2
+fi
+
+declare -A test_files
+declare -A ignored_files
+
+# iterate over specified source directories
+for srcdir in "$@"; do
+    # find icons in *.cpp files
+    for filename_from_call in $(find "$srcdir" -iname '*.cpp' -print0 | xargs -0 cat | grep -Po 'testFilePath\(.*?\)'); do
+        [ "${filename_from_call: 13 : 1}" == '"' ] \
+            && test_files["${filename_from_call: 13 : -1}"]=1 \
+            || ignored_files["${filename_from_call: 13 : -1}"]=1
+    done
+    for filename_from_call in $(find "$srcdir" -iname '*.cpp' -print0 | xargs -0 cat | grep -Po 'workingCopyPath\(.*?\)'); do
+        [ "${filename_from_call: 16 : 1}" == '"' ] \
+            && test_files["${filename_from_call: 16 : -1}"]=1 \
+            || ignored_files["${filename_from_call: 16 : -1}"]=1
+    done
+done
+
+# print ignored files
+echo 'Ignored values (not a string literal):'
+for ignored_file in "${!ignored_files[@]}"; do
+    echo "${ignored_file}"
+done
+
+# print results in alphabetical order
+sorted_file_names=($(echo "${!test_files[@]}" | tr ' ' '\n' | sort))
+echo
+echo 'const testFiles[] = {'
+for test_file in "${sorted_file_names[@]}"; do
+  echo "    {${test_file}, {\"$(sha256sum "${TEST_FILE_PATH}/${test_file: 1 : -1}" | awk '{ print $1 }')\"}},"
+done
+echo '};'