functions.sh: make it possible to set git binary

to help with testing

functions.sh.in

@@ -91,14 +91,16 @@ readconfig() {
 	[ -f "$ABUILD_CONF" ] && . "$ABUILD_CONF"
 	[ -f "$ABUILD_USERCONF" ] && . "$ABUILD_USERCONF"
 	APORTSDIR=${_APORTSDIR-$APORTSDIR}
-	gitbase=$(git rev-parse --show-toplevel 2>/dev/null) || true # already is -P
+
+	: ${GIT:=git}
+	gitbase=$($GIT rev-parse --show-toplevel 2>/dev/null) || true # already is -P
 	if [ -d "$APORTSDIR" ]; then
 		APORTSDIR=$(cd "$APORTSDIR"; pwd -P)
 	elif [ -z "$APORTSDIR" ] && [ -d "$HOME/aports" ]; then
 		APORTSDIR=$(cd "$HOME/aports"; pwd -P)
 	else
 		if [ -n "$gitbase" ]; then
-			case $(git remote get-url origin) in
+			case $($GIT remote get-url origin) in
 			# '.git' for SSH URLs, and no suffix for HTTPS URLs
 			*/aports|*/aports.git) APORTSDIR=$gitbase ;;
 			*) APORTSDIR= ;;

tests/functions.bats

@@ -1,11 +0,0 @@
-setup() {
-	export FUNCS=../functions.sh
-}
-
-@test "functions: check if CBUILD is set" {
-	. $FUNCS && test -n "$CBUILD"
-}
-
-@test "functions: check that missing gcc does not kill us" {
-	sh -e -c "CC=false; . $FUNCS && test -z \"$CBUILD\""
-}