Add scripting for adding scripts/find-problem-sources.sh to pre-commit hook.

scripts/find-problem-sources.sh

 #! /bin/bash
 declare -a c_files f90_files
-read -a c_files -d '' -r < <(find . ! -path ./config/checksrc/\* \
+c_files=()
+f90_files=()
+
+function add_file_to_category()
+{
+  case $1 in
+    config/checksrc/*|config/work/arounds/*|include/cfortran.h)
+      :
+      ;;
+    *.c|*.h)
+      c_files+=("$1")
+      ;;
+    *.f90)
+      f90_files+=("$1")
+      ;;
+  esac
+}
+
+if (( $# == 0 )); then
+  read -a c_files -d '' -r < <(find . ! -path ./config/checksrc/\* \
            ! -path ./config/workarounds/\* \
            ! -path ./include/cfortran.h \
            -type f \( -name \*.c -o -name \*.h \) -print)
+  read -a f90_files -d '' -r < <(find . ! -path ./config/checksrc/\* \
+                       -type f \( -name \*.f90 \) -print)
+elif [[ $# = 1 && x"$1" = x- ]]; then
+  while read f ; do
+    add_file_to_category "$f"
+  done
+else
+  for f in "$@"; do
+    add_file_to_category "$f"
+  done
+fi
 for ((i=0; i < ${#c_files[@]}; ++i)) ; do
   f=${c_files[i]}
   declare -i problem_found
@@ -25,8 +55,6 @@ for ((i=0; i < ${#c_files[@]}; ++i)) ; do
     i=$((i-1))
   fi
 done
-read -a f90_files -d '' -r < <(find . ! -path ./config/checksrc/\* \
-                       -type f \( -name \*.f90 \) -print)
 for ((i=0; i < ${#f90_files[@]}; ++i)) ; do
   f=${f90_files[i]}
   declare -i problem_found

scripts/pre-commit-hook

+#! /bin/bash
+#
+# Git hook script for YAXT to verify what is about to be committed.
+# Called by "git commit" with no arguments.  The hook should
+# exit with non-zero status after issuing an appropriate message if
+# it wants to stop the commit.
+#
+# To enable this hook, execute
+#  ln -s scripts/pre-commit-hook .git/hooks/pre-commit
+
+if git rev-parse --verify HEAD >/dev/null 2>&1
+then
+	against=HEAD
+else
+	# Initial commit: diff against an empty tree object
+	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+fi
+
+# If you want to allow non-ascii filenames set this variable to true.
+allownonascii=$(git config hooks.allownonascii)
+
+# Cross platform projects tend to avoid non-ascii filenames; prevent
+# them from being added to the repository. We exploit the fact that the
+# printable range starts at the space character and ends with tilde.
+if [ "$allownonascii" != "true" ] &&
+	# Note that the use of brackets around a tr range is ok here, (it's
+	# even required, for portability to Solaris 10's /usr/bin/tr), since
+	# the square bracket bytes happen to fall in the designated range.
+	test "$(git diff --cached --name-only --diff-filter=A -z $against |
+	  LC_ALL=C tr -d '[ -~]\0')"
+then
+	echo "Error: Attempt to add a non-ascii file name."
+	echo
+	echo "This can cause problems if you want to work"
+	echo "with people on other platforms."
+	echo
+	echo "To be portable it is advisable to rename the file ..."
+	echo
+	echo "If you know what you are doing you can disable this"
+	echo "check using:"
+	echo
+	echo "  git config hooks.allownonascii true"
+	echo
+	exit 1
+fi
+
+git diff-index --name-only -r $against | scripts/find-problem-sources.sh
+
+# check for whitespace errors
+exec git diff-index --check --cached $against --