Hooks and modules have a .sh extension

This makes it trivial to filter out temporary files, editor backups,
package management leftovers, etc.  Thanks, Kay for the idea.

Makefile

@@ -12,8 +12,8 @@ install:
 	install -m 0755 dracut-functions $(DESTDIR)/usr/libexec/dracut/functions
 	mkdir $(DESTDIR)/usr/libexec/dracut/rules.d
 	for rule in rules.d/*.rules ; do install -m 0644 $$rule $(DESTDIR)/usr/libexec/dracut ; done
-	for hook in hooks/* ; do install -m 0755 $$hook $(DESTDIR)/usr/libexec/dracut ; done
-	for module in modules/*; do install -m 0755 $$module $(DESTDIR)/usr/libexec/dracut ; done
+	for hook in hooks/*.sh ; do install -m 0755 $$hook $(DESTDIR)/usr/libexec/dracut ; done
+	for module in modules/*.sh; do install -m 0755 $$module $(DESTDIR)/usr/libexec/dracut ; done
 clean:
 	rm -f *~
 

README

@@ -37,6 +37,7 @@ Some general rules for writing modules:
  * Generator modules should have a two digit numeric prefix -- they run in
    ascending sort order. Anything in the 90-99 range is stuff that dracut
    relies on, so try not to break those hooks.
+ * Generator modules and hooks must have a .sh extension. 
 
 Also, there is an attempt to keep things as distribution-agnostic as
 possible.  Every distribution has their own tool here and it's not

dracut

@@ -44,7 +44,7 @@ hookdirs="pre-udev pre-mount pre-pivot"
 initdir=$(mktemp -d -t initramfs.XXXXXX)
 trap 'rm -rf "$initdir"' 0 # clean up after ourselves no matter how we die.
 
-export initdir hookdirs rulesdir dsrc dracutmodules kmodules
+export initdir hookdirs rulesdir dsrc dracutmodules modules
 
 # Create some directory structure first
 for d in bin sbin usr/bin usr/sbin usr/lib etc proc sys sysroot dev/pts; do 
@@ -52,8 +52,8 @@ for d in bin sbin usr/bin usr/sbin usr/lib etc proc sys sysroot dev/pts; do
 done
 
 # source all our modules
-for f in "$dsrc/modules"/*[^~]; do
-    mod=${f##*/}; mod=${mod#[0-9][0-9]}
+for f in "$dsrc/modules"/*.sh; do
+    mod=${f##*/}; mod=${mod#[0-9][0-9]}; mod=${mod%.sh}
     if [[ $dracutmodules = all ]] || strstr "$dracutmodules" "$mod"; then 
 	[[ -x $f ]] && . "$f"
     fi

init

@@ -24,7 +24,7 @@ getarg() {
 source_all() {
     local f
     [ "$1" ] && [  -d "/$1" ] || return
-    for f in "/$1"/*; do [ -f "$f" ] && . "$f"; done
+    for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
 }
 
 echo "Starting initrd..."

modules/90crypt.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 inst cryptsetup
 inst_rules "$dsrc/rules.d/63-luks.rules"
-inst_hook pre-mount 50 "$dsrc/hooks/cryptroot"
+inst_hook pre-mount 50 "$dsrc/hooks/cryptroot.sh"

modules/99base.sh

@@ -3,6 +3,6 @@ dracut_install mount mknod mkdir modprobe pidof sleep chroot echo sed sh ls
 # install our scripts and hooks
 inst "$initfile" "/init"
 inst "$switchroot" "/sbin/switch_root"
-inst_hook pre-pivot 50 "$dsrc/hooks/selinux-loadpolicy"
-inst_hook pre-mount 99 "$dsrc/hooks/resume"
+inst_hook pre-pivot 50 "$dsrc/hooks/selinux-loadpolicy.sh"
+inst_hook pre-mount 99 "$dsrc/hooks/resume.sh"