move install_modules to functions to allow for testing

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/functions b/functions
index 43e3b7d..8a4e3be 100644
--- a/functions
+++ b/functions
@@ -719,4 +719,45 @@ try_enable_color() {
     fi
 }
 
+install_modules() {
+    local m moduledest=$BUILDROOT/lib/modules/$KERNELVERSION
+    local -a xz_comp gz_comp
+
+    if (( $# == 0 )); then
+        warning "No modules were added to the image. This is probably not what you want."
+        return 0
+    fi
+
+    cp "$@" "$moduledest/kernel"
+
+    # unzip modules prior to recompression
+    for m in "$@"; do
+        case $m in
+            *.xz)
+                xz_comp+=("$moduledest/kernel/${m##*/}")
+                ;;
+            *.gz)
+                gz_comp+=("$moduledest/kernel/${m##*/}")
+                ;;
+        esac
+    done
+    (( ${#xz_comp[*]} )) && xz -d "${xz_comp[@]}"
+    (( ${#gz_comp[*]} )) && gzip -d "${gz_comp[@]}"
+
+    msg "Generating module dependencies"
+    install -m644 -t "$moduledest" "$_d_kmoduledir"/modules.builtin
+
+    # we install all modules into kernel/, making the .order file incorrect for
+    # the module tree. munge it, so that we have an accurate index. This avoids
+    # some rare and subtle issues with module loading choices when an alias
+    # resolves to multiple modules, only one of which can claim a device.
+    awk -F'/' '{ print "kernel/" $NF }' \
+        "$_d_kmoduledir"/modules.order >"$moduledest/modules.order"
+
+    depmod -b "$BUILDROOT" "$KERNELVERSION"
+
+    # remove all non-binary module.* files (except devname for on-demand module loading)
+    rm "$moduledest"/modules.!(*.bin|devname)
+}
+
 # vim: set ft=sh ts=4 sw=4 et: