apk: support for ROOT environment variable

1 files changed, 5 insertions, 1 deletions

diff --git a/src/apk.c b/src/apk.c
index dbc2044..626c4ee 100644
--- a/src/apk.c
+++ b/src/apk.c
@@ -20,7 +20,7 @@
 #include "apk_defines.h"
 #include "apk_applet.h"
 
-const char *apk_root = "/";
+const char *apk_root;
 const char *apk_repository = NULL;
 int apk_quiet = 0, apk_progress = 0;
 int apk_cwd_fd;
@@ -115,6 +115,10 @@ int main(int argc, char **argv)
 	argc -= optind;
 	argv += optind;
 
+	apk_root = getenv("ROOT");
+	if (apk_root == NULL)
+		apk_root = "/";
+
 	if (applet == NULL) {
 		if (argc > 0)
 			applet = find_applet(argv[0]);