Otherwise, on environments where these variables and set, an assignment
to one of these variables will cause the variable being implicitly exported.
For example:
$ XDG_RUNTIME_DIR=/run/user/2000 bash
$ XDG_RUNTIME_DIR=/tmp/whatever # it should not be exported!
$ bash
$ echo $XDG_RUNTIME_DIR
/tmp/whatever # instead of empty
[1] https://specifications.freedesktop.org/basedir-spec
/basedir-spec-latest.html
Helped-by: Jeff King <peff@xxxxxxxx>
Signed-off-by: Hui Yiqun <huiyiqun@xxxxxxxxx>
---
t/test-lib.sh | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 0b47eb6..60a837a 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -93,7 +93,17 @@ unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
print join("\n", @vars);
')
+# Unset all environment variables defined in xdg base dir spec[1]
+# to make sure that the test are running with a known state.
+#
+# [1] https://specifications.freedesktop.org/basedir-spec
+# /basedir-spec-latest.html
+unset XDG_DATA_HOME
unset XDG_CONFIG_HOME
+unset XDG_DATA_DIRS
+unset XDG_CONFIG_DIRS
+unset XDG_CACHE_HOME
+unset XDG_RUNTIME_DIR
unset GITPERLLIB
GIT_AUTHOR_EMAIL=author@xxxxxxxxxxx
GIT_AUTHOR_NAME='A U Thor'
--
2.7.4
--
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