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scripts: avoid error in DCO check on empty branches

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If the DCO check is run on an empty branch (ie one which has no commits
different from master), it throws an error due to trying to interpret
the empty string as a git commit SHA.

Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2020-03-27 14:38:49 +00:00
parent b9166baebe
commit 769ff77c9c
1 changed files with 4 additions and 1 deletions
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5
scripts/require-dco.py
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@ -46,7 +46,10 @@ print("\nChecking for 'Signed-off-by: NAME <EMAIL>' on all commits since %s...\n
log = subprocess.check_output(["git", "log", "--format=%H %s", ancestor + "..."],
universal_newlines=True)
commits = [[c[0:40], c[41:]] for c in log.strip().split("\n")]
if log == "":
commits = []
else:
commits = [[c[0:40], c[41:]] for c in log.strip().split("\n")]
for sha, subject in commits: