sbodl: forgot to commit this 4 years ago

1 files changed, 29 insertions, 7 deletions

diff --git a/sbodl b/sbodl
index 724733d..822593e 100755
--- a/sbodl
+++ b/sbodl
@@ -2,23 +2,32 @@
 
 # sbodl, initial public release.
 
+# 20170306 bkw: add caching
+
 SELF=$( basename $0 )
 
+CACHEDIR=/home/urchlay/slackbuilds
+
 usage() {
 	cat <<EOF
 $SELF - download the sources for a slackbuilds.org build.
-version 20140421, public release
+version 20170306, public release, with cachedir
 (c) 2014 B. Watson (yalhcru at gmail dawt cawm)
 Licensed under the WTFPL: Do WTF you want with this.
 
-Usage: $SELF <wget-options>
+Usage: $SELF <wget-options> [-f]
 
 Execute $SELF in the directory that contains the .info and .SlackBuild
 files. It will use wget to download the source file(s), then check their
 md5sums.
 
-$SELF doesn't take any options itself (except --help), but any options
-you pass to it will be passed to wget.
+$SELF options:
+
+-h, --help: Show this help message.
+
+-f: Ignore locally cached files, always download.
+
+Any other options you pass to it will be passed to wget.
 EOF
 	exit 0
 }
@@ -29,8 +38,9 @@ die() {
 }
 
 # check for our one argument
-case "$*" in
+case "$1" in
 	-h|-help|-\?|--help) usage ;;
+	-f) FORCEDL="yes" ; shift ;;
 esac
 
 source ./$( basename $( pwd ) ).info \
@@ -39,7 +49,7 @@ source ./$( basename $( pwd ) ).info \
 # This stanza copied from the SBo template for 14.1:
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -70,8 +80,20 @@ for dl in $DL; do
 	esac
 
 	FILE=$( echo "$dl" | sed 's,.*/,,' )
+	[ "$FORCEDL" = "yes" ] && rm -f "$FILE"
 
-	wget $WGETARGS $EXTRAWGETARGS "$dl" || die "Download failed"
+	if [ -e "$FILE" ]; then
+		# don't do anything
+		:
+	elif [ "$FORCEDL" != "yes" ] && [ -e "$CACHEDIR/$FILE" ]; then
+		ln -s "$CACHEDIR/$FILE" "$FILE"
+	else
+		wget $WGETARGS $EXTRAWGETARGS "$dl" || die "Download failed"
+		if [ -e "$FILE" ]; then
+			mv "$FILE" "$CACHEDIR"
+			ln -s "$CACHEDIR/$FILE" "$FILE"
+		fi
+	fi
 
 	if [ -e "$FILE" ]; then
 		GOTSUM="$( md5sum "$FILE" | cut -d' ' -f1 )"