init.sh: re-initialise upstream src .git

we have git-clean in use for projects, but that
only affects lbmk.git

now we re-initialise .git in upstream projects,
when .git is missing. this ensures consistent
cleaning behaviour between lbmk.git and the
libreboot releases.

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/env/init.sh

@@ -356,21 +356,49 @@ git_init()
 			    "git_init" "$@"; :
 	done
 
-	[ -L ".git" ] && \
+	git_init_src .
+	fx_ git_init_src x_ find src -maxdepth 1 -mindepth 1 -type d
+}
+
+git_init_src()
+{
+	gitdir="${1-}"
+
+	[ -z "$gitdir" ] && \
+		err "Invalid argument" git_init_src "$@"
+	[ -L "$gitdir/.git" ] && \
 		err "'$xbmkpwd/.git' is a symlink" "git_init" "$@"
-	[ -e ".git" ] && \
+	[ -e "$gitdir/.git" ] && \
 		return 0
 
+	git_projectname="${gitdir#*/}"
+	git_treename="${git_projectname#*/}"
+	[ "$git_projectname" = "${git_projectname#*/}" ] && \
+		git_treename=""
+
+	git_projectname="${git_projectname%%/*}"
+	git_treename="${git_treename%%*/}"
+
+	if ! singletree "$git_projectname"; then
+		if [ -z "$git_treename" ]; then
+			fx_ git_init_src x_ find "$gitdir" -maxdepth 1 \
+			    -mindepth 1 -type d
+			return 0
+		fi
+	fi
+
 	(
 	export GIT_COMMITTER_DATE="@$versiondate +0000"
 	export GIT_AUTHOR_DATE="@$versiondate +0000"
 
-	x_ git init 1>/dev/null 2>/dev/null
-	x_ git add -A . 1>/dev/null 2>/dev/null
-	x_ git -c user.name="xbmk" -c user.email="xbmk@example.com" \
-	    commit -m "$projectname $version" \
+	x_ git -C "$gitdir" init 1>/dev/null 2>/dev/null
+	x_ git -C "$gitdir" add -A . 1>/dev/null 2>/dev/null
+	x_ git -C "$gitdir" -c user.name="xbmk" \
+	    -c user.email="xbmk@example.com" \
+	    commit -m "$projectname $version $gitdir" \
 	    --author="xbmk <xbmk@example.com>" 1>/dev/null 2>/dev/null
-	x_ git -c user.name="xbmk" -c user.email="xbmk@example.com" \
+	x_ git -C "$gitdir" -c user.name="xbmk" \
+	    -c user.email="xbmk@example.com" \
 	    tag -a "$version" -m "$projectname $version" \
 	    1>/dev/null 2>/dev/null; :