prtrej: initial import

scripts/CHANGES

@@ -1,5 +1,8 @@
 1.2 -> 1.2.1
 ------------
+- oldfiles: add the option -l to show outdated build logs
+- prtrej: clean up /var/lib/pkg/rejected in case a package was uninstalled
+          before merging its conflicting files
 - prtsweep, prtwash: rewritten in perl
 - prtcheck: test that all sources are signed
 - pkgfoster: save the list of adoptees in ~/.config rather than cluttering $HOME;

scripts/prtrej

@@ -0,0 +1,96 @@
+#!/bin/bash
+#
+# $Id: prtrej,v 1.4 2004/02/06 11:30:00 opel Exp $
+# (c) 2003,2004 by Martin Opel <mo@obbl-net.de>
+# (c) 2002 by Markus Ackermann <maol@symlink.ch>
+#
+# may be redistributed and modified under the terms of the GPL
+# only usable with CRUX Linux, version 0.9.2 or higher
+#
+# USE AT YOUR OWN RISK
+#
+# Interactive tool to ask user what he/she wants to do with a rejected file
+# in /var/lib/pkg/rejected
+# Requires opt/dialog to be installed
+# All identical files are removed without a user's interaction
+# TODO: respect SYSROOT?
+
+TMP=/tmp/rejdiff
+REJ=/var/lib/pkg/rejected
+
+cleanup() {
+  echo "Removed $count unneeded files"
+  rm -f $TMP
+}
+
+interrupted() {
+  echo "Interrupted..."
+  cleanup
+  exit 1
+}
+
+trap "interrupted" SIGHUP SIGINT SIGQUIT SIGTERM
+
+count=0
+
+if [ ! -d "$REJ" ]; then
+  echo "$REJ not found. Exiting"
+  exit 1
+fi
+
+mapfile -t REJECTS < <(find $REJ -type f)
+# Why not loop over the output of find?
+# bash splits on whitespace, so by putting the newline-separated results
+# of find into an array, we can use double-quotes to ensure any file with
+# space in its name is not misinterpreted as multiple files.
+# Redefining IFS is another option, but prone to unwanted side-effects.
+
+for reject in "${REJECTS[@]}"; do
+  real="/${reject#*rejected/}"
+  #
+  # Insert a test to ensure that diff is given two valid args.
+  #
+  # Nonexistent $real suggests that $reject is no longer needed.
+  # Forgot to merge it, and then later uninstalled the package, perhaps?
+  # If this circumstance is common and $REJ becomes cluttered too easily, 
+  # then someone might ask for another side-effect of prt-get remove.
+  # This cleanup could be incorporated directly into pkgrm, but until that
+  # happens we might as well do the cleanup here.
+  #
+  if [ ! -e "$real" ] || diff "$real" "$reject" >/dev/null; then
+    rm "$reject"
+    count=$(( count + 1 ))
+  else
+    diff -u "$real" "$reject" &> $TMP
+
+    ACTION=$(dialog --no-shadow --stdout \
+	--title "diff $real $reject" \
+	--textbox $TMP -1 -1 \
+	--menu "Make your selection:" 11 50 4 \
+	KEEP "Keep existing file." \
+	INST "Overwrite with file from package." \
+	EXIT "Exit immediately." \
+	"  " "Do nothing now.")
+    
+    case "$ACTION" in
+      "KEEP")
+         echo "Keeping old file, removing $reject."
+         rm $reject
+         ;;
+      "INST")
+         echo "Installing new file, overwriting $real with $reject."
+         mv $reject $real
+         ;;
+      "EXIT")
+         echo "Exiting..."
+         cleanup
+         exit 0
+         ;;
+      *)
+         echo "Leaving $real and $reject untouched for now."
+         ;;
+     esac
+  fi
+done
+
+cleanup