overhaul sed'ding

PKGBUILD

@@ -31,8 +31,8 @@ sha256sums=('3e9150065f193d3d94bcf46a1fe9f033c7ef7122ab71d75a7fb5a2f0c9a7e11a'
             'SKIP'
             '2ac8818414beb7dbacbd3ad450c516e6ada804827132a7132f63b8189e5f5151'
             '93a4ad4f6c7bb9296fddec436ed7477a5a5c11cf4d6e68482fa6610442cbcb1f'
-            '2d4424928ae3c5f63ee618b4685580f4bd24faf1778553dbd961f85a88ea0910'
-            'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c'
+            '834bd254b56ab71d73f59b3221f056c72f559553c04718e350ab2a3e2991afe0'
+            'a8cae3381e5669a70e20e36562d7433f61b13d24ad8c688cf6c398d5128e2c02'
             '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99')
 validpgpkeys=(
               'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
@@ -115,24 +115,17 @@ _package() {
   cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
 
   # set correct depmod command for install
-  cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
+  sed -e "s|%PKGBASE%|${pkgbase}|g;s|%KERNVER%|${_kernver}|g" \
+    "${startdir}/${install}" > "${startdir}/${install}.pkg"
   true && install=${install}.pkg
-  sed \
-    -e  "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/" \
-    -e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
-    -i "${startdir}/${install}"
 
   # install mkinitcpio preset file for kernel
-  install -D -m644 "${srcdir}/linux.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
-  sed \
-    -e "1s|'linux.*'|'${pkgbase}'|" \
-    -e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgbase}\"|" \
-    -e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgbase}.img\"|" \
-    -e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgbase}-fallback.img\"|" \
-    -i "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
+  sed "s|%PKGBASE%|${pkgbase}|g" "${srcdir}/linux.preset" |
+    install -D -m644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
 
   # install pacman hook for initramfs regeneration
-  install -D -m644 "${srcdir}/80-linux.hook" "${pkgdir}/usr/share/libalpm/hooks/80-linux.hook"
+  sed "s|%PKGBASE%|${pkgbase}|g" "${srcdir}/80-linux.hook" |
+    install -D -m644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/80-${pkgbase}.hook"
 
   # remove build and source links
   rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}