some more bashisms fixed...

hooks/common/gl-pre-git.hub-sample

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # sample pre-git hook to print pending hub requests
 

hooks/common/post-receive.mirrorpush

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # gitolite mirroring
 

hooks/common/update.secondary.sample

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # driver script to run multiple update "hooklets".  Each "hooklet" performs a
 # specific (possibly site-local) check, and they *all* have to succeed for the

src/gl-mirror-push

@@ -9,7 +9,7 @@
 # if list of slaves not given, get it from '...slaves' config
 
 die() { echo gl-mirror-push${hn:+ on $hn}: "$@" >&2; exit 1; }
-get_rc_val() { ${0%/*}/gl-query-rc $1; }
+get_rc_val() { `dirname $0`/gl-query-rc $1; }
 
 # ----------
 

src/gl-setup

@@ -21,7 +21,7 @@ GL_PACKAGE_CONF=/tmp/share/gitolite/conf
 die() { echo "$@"; exit 1; } >&2
 
 get_rc_val() {
-    ${0%/*}/gl-query-rc $1
+    `dirname $0`/gl-query-rc $1
 }
 
 TEMPDIR=`mktemp -d -t tmp.XXXXXXXXXX`