allow override sharedir for testing

Aloow overrid sharedir with global ABUILD_SHAREDIR so we test the local
functions.sh instead of a system installed functions.sh

abuild-keygen.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

abuild-sign.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

abuild.in

@@ -8,7 +8,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 abuild_path=$(readlink -f $0)
 git=$(command -v git) || git=true

abump.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

apkgrel.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

buildlab.in

@@ -3,7 +3,7 @@
 program_version=@VERSION@
 sysconfdir=@sysconfdir@
 abuildrepo=/var/lib/buildlab/result
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 BUILD_BASE="build-base"
 SUDO=${SUDO:-"sudo"}

checkapk.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

newapkbuild.in

@@ -7,7 +7,7 @@
 #
 
 program_version=@VERSION@
-sharedir=@sharedir@
+sharedir=${ABUILD_SHAREDIR:-@sharedir@}
 
 if ! [ -f "$sharedir/functions.sh" ]; then
 	echo "$sharedir/functions.sh: not found" >&2

tests/abuild.bats

@@ -1,5 +1,6 @@
 setup() {
 	export ABUILD=../abuild
+	export ABUILD_SHAREDIR=$PWD/..
 }
 
 @test "help text" {