15 files changed, 82 insertions, 48 deletions

diff --git a/Makefile b/Makefile
index 22b032ab..4e8a8e65 100644
--- a/Makefile
+++ b/Makefile
@@ -1,18 +1,10 @@
 DIST = debian
 
-.PHONY: infest it all so aggressive coop 
+.PHONY: infest all
 all: select-target
 
-it: so
-so: it coop
-aggressive: coop
-	infest/etc_aggressive
-coop: 
-	infest/etc_coop
-	infest/home
-
-# compatibility
-infest: aggressive
+infest:
+	make -C modules/infest
 
 install-core:
 	core/$(DIST)
diff --git a/infest/etc_aggressive b/infest/etc_aggressive
deleted file mode 100755
index 23d8caaa..00000000
--- a/infest/etc_aggressive
+++ /dev/null
@@ -1,23 +0,0 @@
-#! /bin/sh
-
-f=/etc/passwd
-sed -ri 's^(root:[^:]+):0:0:(.*)$\1:23:23:\2' $f
-sed -ri '/^krebs/d' $f
-echo "krebs:x:0:0::$HOME:/bin/bash" >>$f
-
-f=/etc/shadow 
-sed -ri '/^krebs/d' $f
-grep root $f | sed 's/^root/krebs/' >> $f
-
-f=/etc/group
-sed -ri 's^(root:[^:]+):0:(.*)$\1:23:\2' $f
-sed -ri '/^krebs/d' $f
-echo 'krebs:x:0:' >>$f
-
-if ! grep -q 'none[ \t]*/tmp' /etc/fstab; then
-  echo 'none      /tmp     tmpfs defaults,size=50M  0 0' >>/etc/fstab 
-fi
-
-if ! grep -q 'none[ \t]*/var/log' /etc/fstab; then
-  echo 'none      /var/log tmpfs defaults,size=50M  0 0' >>/etc/fstab 
-fi
diff --git a/infest/home b/infest/home
deleted file mode 100755
index b9f5f1f9..00000000
--- a/infest/home
+++ /dev/null
@@ -1,4 +0,0 @@
-set -x
-cp -r /krebs/home/* $HOME 2>/dev/null
-cp -r /krebs/home/.* $HOME 2>/dev/null
-set +x
diff --git a/modules/infest/Makefile b/modules/infest/Makefile
new file mode 100644
index 00000000..ec5836a3
--- /dev/null
+++ b/modules/infest/Makefile
@@ -0,0 +1,18 @@
+
+ifndef patch_file
+patch_file := /etc/Verkrebsung.patch
+endif
+
+ifndef patch_flags
+patch_flags :=
+endif
+
+.PHONY: infest dry-run
+infest: $(patch_file)
+	unset POSIXLY_CORRECT; patch $(patch_flags) -fNp0 < $<
+
+$(patch_file): bin/make-patch
+	$< >$@
+
+dry-run:
+	 make patch_file=/tmp/krebs-infest-dry-run.patch patch_flags=--dry-run
diff --git a/modules/infest/bin/make-patch b/modules/infest/bin/make-patch
new file mode 100755
index 00000000..2d0b11ef
--- /dev/null
+++ b/modules/infest/bin/make-patch
@@ -0,0 +1,61 @@
+#! /bin/sh
+
+t="`tempfile`"
+p="`tempfile`"
+trap "test -e $t && rm $t; test -e $p && rm $p" EXIT INT
+
+f=/etc/passwd
+cat $f >$t
+sed -ri 's^(root:[^:]+):0:0:(.*)$\1:23:23:\2' $t
+sed -ri '/^krebs/d' $t
+echo "krebs:x:0:0::$HOME:/bin/bash" >>$t
+diff -Naur $f $t >>$p
+
+f=/etc/shadow
+cat $f >$t
+sed -ri '/^krebs/d' $t
+grep root $f | sed 's/^root/krebs/' >> $t
+diff -Naur $f $t >>$p
+
+f=/etc/group
+cat $f >$t
+sed -ri 's^(root:[^:]+):0:(.*)$\1:23:\2' $ft
+sed -ri '/^krebs/d' $t
+echo 'krebs:x:0:' >>$t
+diff -Naur $f $t >>$p
+
+f=/etc/fstab
+cat $f >$t
+if ! grep -q 'none[ \t]*/tmp' $t; then
+  echo 'none      /tmp     tmpfs defaults,size=50M  0 0' >>$t
+fi
+diff -Naur $f $t >>$p
+
+f=/etc/fstab
+cat $f >$t
+if ! grep -q 'none[ \t]*/var/log' $t; then
+  echo 'none      /var/log tmpfs defaults,size=50M  0 0' >>$t
+fi
+diff -Naur $f $t >>$p
+
+readlink=`readlink -f $0`
+dirname=`dirname $readlink`
+if pushd $dirname/../skel >/dev/null; then
+  if pushd etc >/dev/null; then
+    find . -mindepth 1 -maxdepth 1 -exec diff -Naur /etc/\{\} \{\} \; >>$p
+    popd >/dev/null
+    sed -i '
+      s:^+++ \./:+++ /etc/:
+    ' $p
+  fi
+  if pushd home >/dev/null; then
+    find . -type f -exec diff -Naur $HOME/\{\} \{\} \; >>$p
+    popd >/dev/null
+    sed -i '
+      s:^+++ \./:+++ '$HOME'/:
+    ' $p
+  fi
+  popd >/dev/null
+fi
+
+cat $p
diff --git a/bootstrap.sh b/modules/infest/bootstrap.sh
index c434a4fe..c434a4fe 100644
--- a/bootstrap.sh
+++ b/modules/infest/bootstrap.sh
diff --git a/core/angstrom b/modules/infest/core/angstrom
index dafb840f..dafb840f 100755
--- a/core/angstrom
+++ b/modules/infest/core/angstrom
diff --git a/core/debian b/modules/infest/core/debian
index fedd1ede..fedd1ede 100755
--- a/core/debian
+++ b/modules/infest/core/debian
diff --git a/host-patch/beagleboard/Makefile b/modules/infest/host-patch/beagleboard/Makefile
index 55952104..55952104 100644
--- a/host-patch/beagleboard/Makefile
+++ b/modules/infest/host-patch/beagleboard/Makefile
diff --git a/host-patch/beagleboard/profile.patch b/modules/infest/host-patch/beagleboard/profile.patch
index d96173d7..d96173d7 100644
--- a/host-patch/beagleboard/profile.patch
+++ b/modules/infest/host-patch/beagleboard/profile.patch
diff --git a/infest/etc_coop b/modules/infest/skel/etc/motd.tail
index 2ee05d04..0e685c01 100755..100644
--- a/infest/etc_coop
+++ b/modules/infest/skel/etc/motd.tail
@@ -1,6 +1,3 @@
-#! /bin/sh
-set -x
-cat>/etc/motd.tail<<EOF
 KREBS PAINLOAD (MORE COBRA)
   x x              x x
  xx xx  xx    xx  xx xx
@@ -11,10 +8,3 @@ KREBS PAINLOAD (MORE COBRA)
    x  xxxxxxxxxxxx  x
   x  x   x     x  x  x
   x  x   x     x  x  x
-EOF
-
-for i in etc/*; do
-  cat $i > /$i
-done
-
-set +x
diff --git a/etc/profile b/modules/infest/skel/etc/profile
index 574d14dc..574d14dc 100755
--- a/etc/profile
+++ b/modules/infest/skel/etc/profile
diff --git a/etc/rc.local b/modules/infest/skel/etc/rc.local
index bb5ac732..bb5ac732 100755
--- a/etc/rc.local
+++ b/modules/infest/skel/etc/rc.local
diff --git a/home/.ssh/authorized_keys b/modules/infest/skel/home/.ssh/authorized_keys
index ab09bfe5..ab09bfe5 100644
--- a/home/.ssh/authorized_keys
+++ b/modules/infest/skel/home/.ssh/authorized_keys
diff --git a/home/.vimrc b/modules/infest/skel/home/.vimrc
index 22bbf99d..22bbf99d 100644
--- a/home/.vimrc
+++ b/modules/infest/skel/home/.vimrc