Admin/PIDE/convert

consolidate implicit use of gnutar, via somewhat fragile dynamic scoping within existing shell scripts;

#!/usr/bin/env bash

THIS="$(cd "$(dirname "$0")"; pwd)"
SUPER="$(cd "$THIS/.."; pwd)"

ISABELLE_REPOS="$(cd "$THIS/../.."; pwd)"


## main

FILEMAP="/tmp/filemap$$"

echo "include COPYRIGHT" > "$FILEMAP"
(
  cd "$ISABELLE_REPOS"
  for FILE in $(find src/Pure -name "*.scala")
  do
    if grep "Module:.*PIDE" "$FILE" >/dev/null; then
      if [ "$("${HG:-hg}" status -u -n --color=never "$FILE")" = "" ]; then
        echo "include $FILE" >> "$FILEMAP"
        echo "rename $FILE src/$(basename "$FILE")" >> "$FILEMAP"
      fi
    fi
  done
)

cat "$FILEMAP"

"${HG:-hg}" convert --filemap "$FILEMAP" "$ISABELLE_REPOS" PIDE-repos

rm -f "$FILEMAP"