Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
cmd: ['dist-git-client', 'sources']
cwd: /var/lib/copr-rpmbuild/workspace/workdir-agh4tp54/watchman
rc: 1
stdout: 
stderr: INFO: Reading stdout from command: git rev-parse --abbrev-ref HEAD
ERROR: Exactly one spec file expected in /var/lib/copr-rpmbuild/workspace/workdir-agh4tp54/watchman/. directory, 0 found
Spec file is missing for the build.