execute: drop empty assignments from env blocks on execution but keep them around otherwise to make them visible

1 files changed, 20 insertions, 1 deletions

diff --git a/src/test-env-replace.c b/src/test-env-replace.c
index 37dd7ff590..4188c67dde 100644
--- a/src/test-env-replace.c
+++ b/src/test-env-replace.c
@@ -47,7 +47,7 @@ int main(int argc, char *argv[]) {
                 NULL
         };
 
-        char **i, **r, *t;
+        char **i, **r, *t, **a, **b;
 
         r = replace_env_argv((char**) line, (char**) env);
 
@@ -96,5 +96,24 @@ int main(int argc, char *argv[]) {
         printf("%s\n", t);
         free(t);
 
+        a = strv_new("FOO=BAR", "WALDO=WALDO", "WALDO=", "PIEP", "SCHLUMPF=SMURF", NULL);
+        b = strv_new("FOO=KKK", "FOO=", "PIEP=", "SCHLUMPF=SMURFF", "NANANANA=YES", NULL);
+
+        r = strv_env_merge(2, a, b);
+        strv_free(a);
+        strv_free(b);
+
+        STRV_FOREACH(i, r)
+                printf("%s\n", *i);
+
+        printf("CLEANED UP:\n");
+
+        r = strv_env_clean(r);
+
+        STRV_FOREACH(i, r)
+                printf("%s\n", *i);
+
+        strv_free(r);
+
         return 0;
 }