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-rw-r--r--lib/spack/spack/spec.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index 37a3cf4d7e..6950025502 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -974,10 +974,10 @@ class Spec(object):
yaml_text = syaml.dump(
self.to_node_dict(), default_flow_style=True, width=maxint)
sha = hashlib.sha1(yaml_text)
- b32_hash = base64.b32encode(sha.digest()).lower()[:length]
+ b32_hash = base64.b32encode(sha.digest()).lower()
if self.concrete:
self._hash = b32_hash
- return b32_hash
+ return b32_hash[:length]
def dag_hash_bit_prefix(self, bits):
"""Get the first <bits> bits of the DAG hash as an integer type."""