2 files changed, 2 insertions, 2 deletions
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 4721c1e..a22423b 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt

@@ -500,7 +500,7 @@ Also, all filters are handed the following environment variables:
 If a setting is not defined for a repository and the corresponding global
 setting is also not defined (if applicable), then the corresponding
-environment variable will be an empty string.
+environment variable will be unset.
 MACRO EXPANSION
diff --git a/shared.c b/shared.c
index 75c4b5c..0c8ce3e 100644
--- a/shared.c
+++ b/shared.c

@@ -392,7 +392,7 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
        p = env_vars;
        q = p + env_var_count;
        for (; p < q; p++)
-                if (setenv(p->name, p->value, 1))
+                if (p->value && setenv(p->name, p->value, 1))
                        fprintf(stderr, warn, p->name, p->value);
 }

diff --git a/cgitrc.5.txt b/cgitrc.5.txt index 4721c1e..a22423b 100644 --- a/cgitrc.5.txt +++ b/cgitrc.5.txt
@@ -500,7 +500,7 @@ Also, all filters are handed the following environment variables:
500		500
501	If a setting is not defined for a repository and the corresponding global	501	If a setting is not defined for a repository and the corresponding global
502	setting is also not defined (if applicable), then the corresponding	502	setting is also not defined (if applicable), then the corresponding
503	environment variable will be an empty string.	503	environment variable will be unset.
504		504
505		505
506	MACRO EXPANSION	506	MACRO EXPANSION


diff --git a/shared.c b/shared.c index 75c4b5c..0c8ce3e 100644 --- a/shared.c +++ b/shared.c
@@ -392,7 +392,7 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
392	p = env_vars;	392	p = env_vars;
393	q = p + env_var_count;	393	q = p + env_var_count;
394	for (; p < q; p++)	394	for (; p < q; p++)
395	if (setenv(p->name, p->value, 1))	395	if (p->value && setenv(p->name, p->value, 1))
396	fprintf(stderr, warn, p->name, p->value);	396	fprintf(stderr, warn, p->name, p->value);
397	}	397	}
398		398