Use $ABUILD_GIT for git from abuild.conf / environment

abuild-keygen.in

@@ -25,7 +25,7 @@ get_privkey_file() {
 
 	# if PACKAGER does not contain a valid email address, then ask git
 	if [ -z "$emailaddr" ] || [ "${emailaddr##*@}" = "$emailaddr" ]; then
-		emailaddr=$(git config --get user.email 2>/dev/null)
+		emailaddr=$($ABUILD_GIT config --get user.email 2>/dev/null)
 	fi
 
 	default_name="${emailaddr:-$USER}-$(printf "%x" $(date +%s))"

abuild.in

@@ -12,7 +12,6 @@ sysconfdir=@sysconfdir@
 datadir=@datadir@
 
 abuild_path=$(readlink -f $0)
-git=$(command -v git) || git=true
 
 if ! [ -f "$datadir/functions.sh" ]; then
 	echo "$datadir/functions.sh: not found" >&2
@@ -818,12 +817,12 @@ prepare_language_packs() {
 
 # echo '-dirty' if git is not clean
 git_dirty() {
-	[ $($git status -s "$startdir" | wc -l) -ne 0 ] && echo "-dirty"
+	[ $($ABUILD_GIT status -s "$startdir" | wc -l) -ne 0 ] && echo "-dirty"
 }
 
 # echo last commit hash id
 git_last_commit() {
-	$git log --format=oneline -n 1 "$startdir" | awk '{print $1}'
+	$ABUILD_GIT log --format=oneline -n 1 "$startdir" | awk '{print $1}'
 }
 
 get_maintainer() {
@@ -1565,7 +1564,7 @@ update_abuildrepo_index() {
 	subpkg_unset
 
 	if [ -z "$DESCRIPTION" ]; then
-		DESCRIPTION="$repo $(cd $startdir && $git describe 2>/dev/null || true)"
+		DESCRIPTION="$repo $(cd $startdir && $ABUILD_GIT describe 2>/dev/null || true)"
 	fi
 
 	for i in $allarch; do
@@ -2201,7 +2200,7 @@ rootbld() {
 	fi
 
 	local version="edge" buildhost="edge" gitref
-	if gitref="$(expr "$(git symbolic-ref --short HEAD)" : '\([0-9]\+\(\.[0-9]\+\)*\)-')"; then
+	if gitref="$(expr "$($ABUILD_GIT symbolic-ref --short HEAD)" : '\([0-9]\+\(\.[0-9]\+\)*\)-')"; then
 		version=v${gitref}
 		buildhost="$(printf '%s' "$gitref" | sed 's/[.]/-/')"
 	fi
@@ -2209,10 +2208,10 @@ rootbld() {
 	local repo_template="$aportsgit/$repo/.rootbld-repositories"
 	[ -s "$repo_template" ] || die "rootbld: $repo_template does not exist"
 	(
-		for key in $(git config --list --name-only); do
+		for key in $($ABUILD_GIT config --list --name-only); do
 			k=${key#abuild.}
 			[ $k != $key ] && \
-				eval "export $k=\"$(git config --get $key)\""
+				eval "export $k=\"$($ABUILD_GIT config --get $key)\""
 		done
 
 		export mirror version
@@ -2424,12 +2423,12 @@ snapshot() {
 	# clone git repo and archive
 	if [ -n "$giturl" ]; then
 		local _version="${verbase:-0}_git${_date}"
-		[ "$git" = "true" ] &&  die "Missing git! Install git to support git clone."
+		[ "$ABUILD_GIT" = "true" ] &&  die "Missing git! Install git to support git clone."
 		local _rev="${reporev:-HEAD}"
 		[ "$_rev" = "HEAD" ] && local _depth="--depth=1"
 		msg "Creating git snapshot: $pkgname-$_version"
-		git clone $_depth --bare $giturl $pkgname-$_version || return 1
-		git --git-dir $pkgname-$_version archive \
+		$ABUILD_GIT clone $_depth --bare $giturl $pkgname-$_version || return 1
+		$ABUILD_GIT --git-dir $pkgname-$_version archive \
 			--format=$_format \
 			-o $pkgname-$_version.$_format \
 			--prefix=$pkgname-$_version/ $_rev \
@@ -2468,7 +2467,7 @@ usage() {
 		 -A  Print CARCH and exit
 		 -c  Enable colored output
 		 -d  Disable dependency checking
-		 -D  Set APKINDEX description (default: \$repo \$(git describe))
+		 -D  Set APKINDEX description (default: \$repo \$(\$ABUILD_GIT describe))
 		 -f  Force specified cmd (skip checks: apk up to date, arch, libc)
 		 -F  Force run as root
 		 -h  Show this help

abump.in

@@ -76,8 +76,8 @@ fixes #${fixes#\#}
 
 		$ABUILD $abuild_opts checksum all
 
-		git add APKBUILD
-		git commit -m"$message"
+		$ABUILD_GIT add APKBUILD
+		$ABUILD_GIT commit -m"$message"
 		)
 		rc=$?
 		if [ $rc -gt 0 ]; then
@@ -111,7 +111,7 @@ cvelist=
 fixes=
 
 [ -n "$APORTSDIR" ] || error "can't locate \$APORTSDIR"
-git rev-parse 2>/dev/null || die "not in a git tree"
+$ABUILD_GIT rev-parse 2>/dev/null || die "not in a git tree"
 
 args=$(getopt -o f:s:Rkqh --long fixes:,security:,recursive,keep,quiet,help \
 	-n "$program" -- "$@")

apkgrel.in

@@ -45,7 +45,7 @@ do_add () {
 	local f= old=
 	for f; do
 		[ -n "$only_clean_git" ] \
-			&& [ -n "$(git diff --name-only "${f%/*}")" ] \
+			&& [ -n "$($ABUILD_GIT diff --name-only "${f%/*}")" ] \
 			&& continue
 		old=$(show_plain "$f")
 		case $old in
@@ -107,7 +107,7 @@ while true; do
 		-z|--zero) setto=0; cmd=do_set;;
 		-a|--add) cmd=do_add;;
 		-g|--clean-git) # verify that we're in a git tree
-				git rev-parse 2>/dev/null || die "not in a git tree"
+				$ABUILD_GIT rev-parse 2>/dev/null || die "not in a git tree"
 				cmd=do_add
 				only_clean_git=1;;
 		-s|--set) setto=$2; shift; cmd=do_set;;

functions.sh.in

@@ -65,7 +65,7 @@ hostspec_to_libc() {
 readconfig() {
 	local _APORTSDIR _BUILDDIR _PKGDEST _SRCPKGDEST _REPODEST _SRCDEST
 	local _CARCH _CHOST _CTARGET _CPPFLAGS _CFLAGS _CXXFLAGS _LDFLAGS
-	local _JOBS _MAKEFLAGS _PACKAGER _USE_COLORS
+	local _JOBS _MAKEFLAGS _PACKAGER _USE_COLORS _ABUILD_GIT
 	local gitbase=
 	[ -n "${APORTSDIR+x}" ] && _APORTSDIR=$APORTSDIR
 	[ -n "${BUILDDIR+x}" ] && _BUILDDIR=$BUILDDIR
@@ -84,20 +84,25 @@ readconfig() {
 	[ -n "${MAKEFLAGS+x}" ] && _MAKEFLAGS=$MAKEFLAGS
 	[ -n "${PACKAGER+x}" ] && _PACKAGER=$PACKAGER
 	[ -n "${USE_COLORS+x}" ] && _USE_COLORS="$USE_COLORS"
+	[ -n "${ABUILD_GIT+x}" ] && _ABUILD_GIT=$ABUILD_GIT
 	: ${ABUILD_CONF:=$sysconfdir/abuild.conf}
 	: ${ABUILD_USERDIR:=$HOME/.abuild}
 	: ${ABUILD_USERCONF:=$ABUILD_USERDIR/abuild.conf}
 	[ -f "$ABUILD_CONF" ] && . "$ABUILD_CONF"
 	[ -f "$ABUILD_USERCONF" ] && . "$ABUILD_USERCONF"
+	ABUILD_GIT=${_ABUILD_GIT-$ABUILD_GIT}
+	if [ -z "$ABUILD_GIT" ]; then
+		ABUILD_GIT=$(command -v git) || ABUILD_GIT=true
+	fi
 	APORTSDIR=${_APORTSDIR-$APORTSDIR}
-	gitbase=$(git rev-parse --show-toplevel 2>/dev/null) || true # already is -P
+	gitbase=$($ABUILD_GIT rev-parse --show-toplevel 2>/dev/null) || true # already is -P
 	if [ -d "$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 config remote.origin.url) in
+			case $($ABUILD_GIT config remote.origin.url) in
 			*/aports) APORTSDIR=$gitbase ;;
 			*) APORTSDIR= ;;
 			esac