Add missing squashfs-tools dependencies

Add support for downloading squashfs-tools.tcz.dep
Download all the listed dependencies, and check for any other dependencies
Run ldconfig to load the added libraries

9.0/x86/Dockerfile

@@ -8,6 +8,7 @@ RUN mkdir -p /tmp/tce/optional \
     && $(cd etc/sysconfig; ln -s ../../tmp/tce tcedir) \
     && echo -n tc > etc/sysconfig/tcuser \
     && . /etc/init.d/tc-functions \
+    && ldconfig \
     && setupHome
 
 USER tc

9.0/x86/src/build_squashfs_tools.sh

@@ -1,11 +1,39 @@
 #!/bin/sh
+URL_TCZ=http://tinycorelinux.net/9.x/x86/tcz
 
 apk add --no-cache curl squashfs-tools >/dev/null
 
-if [ ! -f squashfs-tools.tcz ]; then
-    curl -SLO http://tinycorelinux.net/9.x/x86/tcz/squashfs-tools.tcz >/dev/null
+download_tcz() {
+    # Ignore empty/whitespace only
+    [ -z "$(echo $1)" ] && return
+    [ -f "$1" ] && return
+    curl -SLO $URL_TCZ/$1 >/dev/null
+    # Attempt to download .dep, but it might not exist
+    curl --fail -LO $URL_TCZ/$1.dep >/dev/null 2>&1
+    # Make sure the .dep has an empty last line
+    [ -f "$1.dep" ] && echo >> "$1.dep"
+}
+
+# Download squashfs-tools.tcz
+download_tcz squashfs-tools.tcz
+
+# Download any found dependencies, repeat 4 times for "recursion"
+if [ -f squashfs-tools.tcz.dep ]; then
+    COUNTDOWN=5
+    while [ "$COUNTDOWN" -gt 0 ]; do
+        COUNTDOWN=$(($COUNTDOWN - 1))
+        for t in $(cat *.dep|sort|uniq); do
+            download_tcz $t
+        done
+    done
 fi
 
 [ -d /mnt ] || mkdir /mnt
-unsquashfs -f -d /mnt squashfs-tools.tcz >/dev/null
+
+# Extract all of the downloaded tcz files
+for t in $(find -name '*.tcz'); do
+    unsquashfs -f -d /mnt $t >/dev/null
+done
+
+# Make a tarball of all of it and print to stdout
 tar cf - -C /mnt . | gzip -c

9.0/x86_64/Dockerfile

@@ -8,6 +8,7 @@ RUN mkdir -p /tmp/tce/optional \
     && $(cd etc/sysconfig; ln -s ../../tmp/tce tcedir) \
     && echo -n tc > etc/sysconfig/tcuser \
     && . /etc/init.d/tc-functions \
+    && ldconfig \
     && setupHome
 
 USER tc

9.0/x86_64/src/build_squashfs_tools.sh

@@ -1,11 +1,39 @@
 #!/bin/sh
+URL_TCZ=http://tinycorelinux.net/9.x/x86_64/tcz
 
 apk add --no-cache curl squashfs-tools >/dev/null
 
-if [ ! -f squashfs-tools.tcz ]; then
-    curl -SLO http://tinycorelinux.net/9.x/x86_64/tcz/squashfs-tools.tcz >/dev/null
+download_tcz() {
+    # Ignore empty/whitespace only
+    [ -z "$(echo $1)" ] && return
+    [ -f "$1" ] && return
+    curl -SLO $URL_TCZ/$1 >/dev/null
+    # Attempt to download .dep, but it might not exist
+    curl --fail -LO $URL_TCZ/$1.dep >/dev/null 2>&1
+    # Make sure the .dep has an empty last line
+    [ -f "$1.dep" ] && echo >> "$1.dep"
+}
+
+# Download squashfs-tools.tcz
+download_tcz squashfs-tools.tcz
+
+# Download any found dependencies, repeat 4 times for "recursion"
+if [ -f squashfs-tools.tcz.dep ]; then
+    COUNTDOWN=5
+    while [ "$COUNTDOWN" -gt 0 ]; do
+        COUNTDOWN=$(($COUNTDOWN - 1))
+        for t in $(cat *.dep|sort|uniq); do
+            download_tcz $t
+        done
+    done
 fi
 
 [ -d /mnt ] || mkdir /mnt
-unsquashfs -f -d /mnt squashfs-tools.tcz >/dev/null
+
+# Extract all of the downloaded tcz files
+for t in $(find -name '*.tcz'); do
+    unsquashfs -f -d /mnt $t >/dev/null
+done
+
+# Make a tarball of all of it and print to stdout
 tar cf - -C /mnt . | gzip -c