Add copyright management script

1 files changed, 79 insertions, 0 deletions

diff --git a/copyright b/copyright
new file mode 100755
index 0000000..3c8488b
--- /dev/null
+++ b/copyright
@@ -0,0 +1,79 @@
+#! /usr/bin/env bash
+
+# Manage build2 toolchain copyright.
+#
+# Usage: copyright
+#
+usage="usage: $0"
+
+old=2015
+new=2016
+
+# In extras we just grep for the old date.
+#
+modules="libbutl build2 libbpkg bpkg brep build2-toolchain"
+extras="etc private"
+
+owd=`pwd`
+trap "{ cd $owd; exit 1; }" ERR
+set -o errtrace # Trap in functions.
+
+function info () { echo "$*" 1>&2; }
+function error () { info "$*"; exit 1; }
+
+
+# In-place sed.
+#
+function ised () # <regex> <file>
+{
+  local r=$1
+  local f=$2
+  local o=$f.orig
+
+  mv $f $o
+  cp -p $o $f # Keep owner, permissions.
+
+  if ! sed -e "$r" $o >$f; then
+    mv $o $f
+    return 1
+  fi
+
+  if cmp -s $o $f; then
+    mv $o $f
+  else
+    rm $o
+  fi
+}
+
+for m in $modules; do
+  # Top-level directories inside the module to exclude.
+  #
+  exclude=.git
+
+  # Exclude submodules in build2-toolchain.
+  #
+  if [ $m = "build2-toolchain" ]; then
+    exclude="$exclude bpkg build2 libbutl libbpkg"
+  fi
+
+  fo=
+  if [ "$exclude" ]; then
+    fo="-type d ("
+    for e in $exclude; do
+      fo="$fo -path $m/$e -o"
+    done
+    fo="$fo -false ) -prune -o"
+  fi
+  fo="$fo -type f -print"
+
+  for f in `find $m $fo`; do
+    ised "s/\(Copyright (c) [0-9]*\)-$old \(Code Synthesis\)/\1-$new \2/" $f
+    grep --color=auto --with-filename $old $f || true
+  done
+done
+
+for m in $extras; do
+  for f in `find $m -type d -path $m/.git -prune -o -type f -print`; do
+    grep --color=auto --with-filename $old $f || true
+  done
+done