- Tag fuer v1.2.1 gesetzt

v1.2.1/downloads/get_files.sh

@@ -0,0 +1,92 @@
+#!/bin/sh
+#
+# Parameter: LISTE ACTION
+# z.B. ./get_files programme download
+#
+
+set -eu
+
+# die Key-Server muessen wohl einzeln angegeben werden - somit einzelne Direktiven
+KEY_SERVERS="x-hkp://pgp.mit.edu --keyserver hkp://subkeys.pgp.net"
+
+function download_file()
+{
+	local QUELLE=$(grep "^$1[[:space:]]" $URL_FILE | cut -f 2)
+	wget --continue --no-check-certificate --output-document "$DEST_DIR/$1" "$QUELLE"
+}
+
+function verify_file()
+{
+	# eventuell die Datei herunterladen
+	[ ! -e "$DEST_DIR/$1" ] && download_file "$1"
+	[ ! -e "$DEST_DIR/$1" ] && return 1
+	# Signatur-URL ermitteln
+	local SIG_URL=$(grep "^$1[[:space:]]" $URL_FILE | cut -f 3)
+	# bei fehlender Signatur erfolgreich abbrechen
+	[ -z "$SIG_URL" ] && return 0
+	# Signatur herunterladen
+	local SIG_FILE=$DEST_DIR/$(basename "$SIG_URL")
+	# html-encodierte Leerzeichen wiederherstellen
+	SIG_FILE=${SIG_FILE//\%20/ }
+	[ ! -e "$SIG_FILE" ] && wget --output-document "$SIG_FILE" "$SIG_URL"
+	# pruefen - notfalls den Schluessel importieren
+	# erstmal Ausgabe unterdruecken
+	if gpg --quiet --keyserver $KEY_SERVERS --keyserver-options auto-key-retrieve --verify "$SIG_FILE" "$DEST_DIR/$1" &>/dev/null
+		then	return 0
+		else	gpg --quiet --keyserver $KEY_SERVERS --keyserver-options auto-key-retrieve --verify "$SIG_FILE" "$DEST_DIR/$1"
+				# do it again (with output), if verification failed
+				return 1
+	  fi
+}
+
+########### main ############
+
+[ $# -eq 0 ] && echo "die Download-Liste muss angegeben werden!" && exit 1
+URL_FILE=$(dirname $0)/${1}.lst
+DEST_DIR=$(dirname $0)/${1}
+shift
+[ ! -e "$URL_FILE" ] && echo "Die Datei ($URL_FILE) existiert nicht!" && exit 2
+[ -e "$DEST_DIR" ] || mkdir -p "$DEST_DIR"
+
+ACTION=help
+[ $# -gt 0 ] && ACTION=$1 && shift
+
+
+case "$ACTION" in
+	download )
+		cut -f 1 "$URL_FILE" | while read a
+			do	[ ! -e "$DEST_DIR/$a" ] && download_file "$a"
+		  done
+		# ExitCode auf Null setzen
+		true
+		;;
+	verify )
+		cut -f 1 "$URL_FILE" | while read a
+			do	if verify_file "$a"
+					then	true
+					else	echo "Verification of '$a' failed ..."
+							exit 1
+				  fi
+		  done
+		;;
+	clean )
+		# Datei loeschen
+		cut -f 1 "$URL_FILE" | while read a; do	rm -f "$DEST_DIR/$a"; done
+		# Signatur loeschen, falls vorhanden
+		cut -f 3 "$URL_FILE" | sed /^$/d | while read a; do rm -f "$DEST_DIR/$(basename $a)"; done
+		;;
+	install )
+		[ $# -eq 0 ] && echo 'You need to specify the destination directory!' && exit 1
+		INST_DIR=$1
+		[ ! -e "$INST_DIR" ] && mkdir -p "$INST_DIR"
+		cut -f 1 "$URL_FILE" | while read a
+			do	[ -e "$DEST_DIR/$a" ] || download_file "$a"
+				cp "$DEST_DIR/$a" "$INST_DIR/"
+		  done
+		;;
+	* )
+		echo "Syntax: $0 LIST { download | install | clean } [ZIEL_VERZEICHNIS]"
+		echo
+		;;
+  esac
+