From 99c2b87cdbc3f449b68ed6d0bf2fec624d539972 Mon Sep 17 00:00:00 2001
From: Dave Reisner <d@falconindy.com>
Date: Wed, 8 Jun 2011 16:29:40 -0400
Subject: install/{sata,pata,scsi}: cleanup and simplify

* Use loops where possible for module addition
* remove superfluous trim operation
* remove antiquated filters for modules which do not exist

Signed-off-by: Dave Reisner <d@falconindy.com>
---
 install/pata | 33 +++++++++++++--------------------
 install/sata | 35 ++++++++++++++---------------------
 install/scsi | 33 ++++++++++++++-------------------
 3 files changed, 41 insertions(+), 60 deletions(-)

diff --git a/install/pata b/install/pata
index 1d750dc..75a75c1 100644
--- a/install/pata
+++ b/install/pata
@@ -1,26 +1,19 @@
-# vim: set ft=sh:
+#!/bin/bash
 
-build()
-{
-    MODULES=" $(checked_modules "ata/pata_*") $(checked_modules "ata/ata_generic") 
-              $(checked_modules "ata/ata_piix")"
+build() {
+    for filter in 'ata/pata_*' 'ata/ata_generic' 'ata/ata_piix'; do
+        MODULES+=" $(checked_modules "$filter")"
+    done
 
-    MODULES=$(echo ${MODULES}) #trim whitespace
-    if [ -n "${MODULES}" ]; then
-        MODULES="${MODULES} sd_mod"
-    fi
-
-    BINARIES=""
-    FILES=""
-    SCRIPT=""
+    [[ $MODULES ]] && MODULES+=" sd_mod"
 }
 
-help ()
-{
-cat<<HELPEOF
-  This hook loads the necessary modules for a pata (ide) root device,
-  using the new libata subsystem.
-  Detection will take place at runtime. To minimize the modules
-  in the image, add the autodetect hook too.
+help() {
+    cat<<HELPEOF
+This hook loads the necessary modules for a pata (ide) root device, using the
+new libata subsystem. Detection will take place at runtime. To minimize the
+modules in the image, add the autodetect hook too.
 HELPEOF
 }
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/install/sata b/install/sata
index cbd2db2..1b39d5f 100644
--- a/install/sata
+++ b/install/sata
@@ -1,27 +1,20 @@
-# vim: set ft=sh:
+#!/bin/bash
 
-build()
-{
-    MODULES=" $(checked_modules "scsi/.*ata") $(checked_modules "block/sx8") 
-              $(checked_modules "scsi/ahci") $(checked_modules "scsi/pdc_adma") 
-              $(checked_modules "ata/sata_*") $(checked_modules "ata/ahci") 
-              $(checked_modules "ata/pdc_adma") $(checked_modules "ata/ata_piix")"
+build() {
+    for filter in 'scsi/.*ata' 'block/sx8' 'ata/sata_*' \
+                  'ata/ahci' 'ata/pdc_adma' 'ata/ata_piix'; do
+        MODULES+=" $(checked_modules "$filter")"
+    done
 
-    MODULES=$(echo ${MODULES}) #trim whitespace
-    if [ -n "${MODULES}" ]; then
-        MODULES="${MODULES} sd_mod"
-    fi
-
-    BINARIES=""
-    FILES=""
-    SCRIPT=""
+    [[ $MODULES ]] && MODULES+=" sd_mod"
 }
 
-help ()
-{
-cat<<HELPEOF
-  This hook loads the necessary modules for an sata root device.
-  Detection will take place at runtime. To minimize the modules
-  in the image, add the autodetect hook too.
+help() {
+    cat<<HELPEOF
+This hook loads the necessary modules for an sata root device. Detection will
+take place at runtime. To minimize the modules in the image, add the autodetect
+hook too.
 HELPEOF
 }
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/install/scsi b/install/scsi
index 9a97a8c..2641255 100644
--- a/install/scsi
+++ b/install/scsi
@@ -1,25 +1,20 @@
-# vim: set ft=sh:
+#!/bin/bash
 
-build()
-{
-    MODULES=" $(checked_modules "/scsi/" | grep -ve "imm" -e "pdc_adma" -e "ahci" -e "ata" -e "pcmcia" -e "ide") 
-              $(checked_modules "/block/" | grep -e "cciss" -e "cpqarray" -e "DAC960")
-              $(checked_modules "/fusion/")"
+build(){
 
-    MODULES=$(echo ${MODULES}) #trim whitespace
-    if [ -n "${MODULES}" ]; then
-        MODULES="${MODULES} sd_mod"
-    fi
-    BINARIES=""
-    FILES=""
-    SCRIPT=""
+    MODULES="$(checked_modules "/scsi/" | grep -vE '(imm|ata|pcmcia)')
+             $(checked_modules "/block/" | grep -E '(cciss|cpqarray|DAC960)')
+             $(checked_modules "/fusion/")"
+
+    [[ $MODULES ]] && MODULES+=" sd_mod"
 }
 
-help ()
-{
-cat<<HELPEOF
-  This hook loads the necessary modules for an scsi root device.
-  Detection will take place at runtime. To minimize the modules
-  in the image, add the autodetect hook too.
+help() {
+    cat<<HELPEOF
+This hook loads the necessary modules for an scsi root device. Detection will
+take place at runtime. To minimize the modules in the image, add the autodetect
+hook too.
 HELPEOF
 }
+
+# vim: set ft=sh ts=4 sw=4 et:
-- 
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