ci: Move git config commands into script where they are used

Author: hebasto

.cirrus.yml

@@ -24,11 +24,8 @@ filter_template: &FILTER_TEMPLATE
 base_template: &BASE_TEMPLATE
   << : *FILTER_TEMPLATE
   merge_base_script:
-    # Unconditionally install git (used in fingerprint_script) and set the
-    # default git author name (used in verify-commits.py)
+    # Unconditionally install git (used in fingerprint_script).
     - bash -c "$PACKAGE_MANAGER_INSTALL git"
-    - git config --global user.email "[email protected]"
-    - git config --global user.name "ci"
     - if [ "$CIRRUS_PR" = "" ]; then exit 0; fi
     - git fetch $CIRRUS_REPO_CLONE_URL "pull/${CIRRUS_PR}/merge"
     - git checkout FETCH_HEAD  # Use merged changes to detect silent merge conflicts

ci/lint/06_script.sh

@@ -31,6 +31,8 @@ if [ "$CIRRUS_REPO_FULL_NAME" = "bitcoin/bitcoin" ] && [ "$CIRRUS_PR" = "" ] ; t
     git log HEAD~10 -1 --format='%H' > ./contrib/verify-commits/trusted-sha512-root-commit
     git log HEAD~10 -1 --format='%H' > ./contrib/verify-commits/trusted-git-root
     mapfile -t KEYS < contrib/verify-commits/trusted-keys
+    git config user.email "[email protected]"
+    git config user.name "ci"
     ${CI_RETRY_EXE} gpg --keyserver hkps://keys.openpgp.org --recv-keys "${KEYS[@]}" &&
     ./contrib/verify-commits/verify-commits.py;
 fi