Initial import

1 files changed, 87 insertions, 0 deletions

diff --git a/debian-dl b/debian-dl
new file mode 100755
index 0000000..3558085
--- /dev/null
+++ b/debian-dl
@@ -0,0 +1,87 @@
+#!/bin/bash
+#
+# Simple Debian image downloader.
+#
+
+# Parameters
+HASHES="MD5SUMS SHA1SUMS SHA256SUMS SHA512SUMS"
+
+# Arguments
+BASENAME="`basename $0`"
+URL="$1"
+BASE="`dirname $URL`"
+RATE="$2"
+FILENAME="`basename $URL`"
+
+# Syntax
+if [ -z "$1" ]; then
+  echo "usage: $BASENAME <image-url>"
+  exit 1
+fi
+
+# Determine signature extension
+if echo $FILENAME | grep -qe '^debian-live'; then
+  SIGN="sig"
+else
+  SIGN="sign"
+fi
+
+# Fetch hashes
+for hash in $HASHES; do
+  wget -c $BASE/$hash
+  wget -c $BASE/$hash.$SIGN
+done
+
+# Determine transfer method
+if echo $FILENAME | grep -qe '.jigdo$'; then
+  # Check for jigdo
+  if ! which jigdo-lite &> /dev/null; then
+    echo "Please install jigdo-file"
+    exit 1
+  fi
+
+  # Get the image using jigdo
+  jigdo-lite $URL
+
+  # Fix filename
+  FILENAME="`basename $FILENAME .jigdo`.iso"
+elif echo $FILENAME | grep -qe '.zsync$'; then
+  # Check for zsync
+  if ! which zsync &> /dev/null; then
+    echo "Please install zsync"
+    exit 1
+  fi
+
+  # Get the image using zsync
+  zsync $URL
+
+  # Fix filename
+  FILENAME="`basename $FILENAME .zsync`"
+else
+  # Check for wget
+  if ! which wget &> /dev/null; then
+    echo "Please install wget"
+    exit 1
+  fi
+
+  # Set rate limit
+  if [ ! -z "$RATE" ]; then
+    LIMIT="--limit-rate=$RATE"
+  fi
+
+  # Get the image using wget
+  wget -c $LIMIT $URL
+fi
+
+# Check hashes
+for hash in $HASHES; do
+  echo "Checking $FILENAME against $hash file..."
+  check="`echo $hash | tr '[:upper:]' '[:lower:]' | sed -e 's/s$//'`"
+  grep -e "$FILENAME$" $hash | $check -c
+done
+
+# Check hash integrity
+for hash in $HASHES; do
+  echo "Checking $hash.$SIGN..."
+  gpg --verify $hash.$SIGN
+done