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-rw-r--r--lib/spack/docs/environments.rst5
-rw-r--r--lib/spack/spack/spec.py1
2 files changed, 4 insertions, 2 deletions
diff --git a/lib/spack/docs/environments.rst b/lib/spack/docs/environments.rst
index ffa5e5f3c3..b3dd57840b 100644
--- a/lib/spack/docs/environments.rst
+++ b/lib/spack/docs/environments.rst
@@ -893,8 +893,9 @@ The valid variables for a ``when`` clause are:
#. ``env``. The user environment (usually ``os.environ`` in Python).
-#. ``hostname``. The hostname of the system (if ``hostname`` is an
- executable in the user's PATH).
+#. ``hostname``. The hostname of the system.
+
+#. ``full_hostname``. The fully qualified hostname of the system.
^^^^^^^^^^^^^^^^^^^^^^^^
SpecLists as Constraints
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index 1fb21b348b..92e70e90da 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -4892,6 +4892,7 @@ def get_host_environment() -> Dict[str, Any]:
"architecture": arch_spec,
"arch_str": str(arch_spec),
"hostname": socket.gethostname(),
+ "full_hostname": socket.getfqdn(),
}