diff options
Diffstat (limited to 'install/autodetect')
| -rw-r--r-- | install/autodetect | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/install/autodetect b/install/autodetect index 4f1e4bb..907a85a 100644 --- a/install/autodetect +++ b/install/autodetect @@ -1,20 +1,19 @@ #!/bin/bash build() { - local -a md_devs - - _f_autodetect_cache=$_d_workdir/autodetect_modules + local m= + local -a md_devs mods add_if_avail() { - local resolved + local r= resolved= # treat this as an alias, since ext3 might be aliased to ext4. IFS=$'\n' read -rd '' -a resolved < \ <(modprobe -d "$_optmoduleroot" -S "$KERNELVERSION" -R "$1" 2>/dev/null) - if (( ${#resolved[*]} )); then - printf '%s\n' "${resolved[@]}" >>"$_f_autodetect_cache" - fi + for r in "${resolved[@]}"; do + _autodetect_cache["$r"]=1 + done } if [[ ! -d /sys/devices ]]; then @@ -22,7 +21,10 @@ build() { return 1 fi - auto_modules >"$_f_autodetect_cache" + mapfile -t mods < <(auto_modules) + for m in "${mods[@]}"; do + _autodetect_cache["$m"]=1 + done # detect filesystem for root if rootfstype=$(findmnt -uno fstype '/'); then @@ -41,22 +43,24 @@ build() { md_devs=(/sys/class/block/md*/md/level) if [[ -e $md_devs ]]; then quiet "found %d mdadm arrays to scan" "${#md_devs[*]}" - awk '{ gsub(/raid[456]/, "raid456"); print; }' "${md_devs[@]}" | - sort -u >>"$_f_autodetect_cache" + mapfile -t mods < <(awk '{ gsub(/raid[456]/, "raid456"); print; }' "${md_devs[@]}") + for m in "${mods[@]}"; do + _autodetect_cache["$m"]=1 + done fi - if [[ -s $_f_autodetect_cache ]]; then - quiet "caching %d modules" $(wc -l < "$_f_autodetect_cache") + if (( ${#_autodetect_cache[*]} )); then + quiet "caching %d modules" "${#_autodetect_cache[*]}" fi } help() { cat <<HELPEOF -This hook shrinks your initramdisk to a smaller size by autodetecting your -needed modules. Be sure to verify included modules are correct and none are -missing. This hook must be run before other subsystem hooks in order to take -advantage of auto-detection. Any hooks placed before 'autodetect' will be -installed in full. +This hook shrinks your initramfs to a smaller size by autodetecting the needed +modules. Be sure to verify included modules are correct and none are missing. +This hook must be run before other subsystem hooks in order to take advantage +of auto-detection. Any hooks placed before 'autodetect' will be installed in +full. HELPEOF } |