Check if push command was executed at least once before re-runing it

[dgolovin]

This PR fixes #1970.

Signed-off-by: Denis Golovin dgolovin@redhat.com

[codecov]

Codecov Report

Merging #1971 (ce5f119) into master (7801823) will not change coverage.
The diff coverage is 33.33%.

@@           Coverage Diff           @@
##           master    #1971   +/-   ##
=======================================
  Coverage   81.07%   81.07%           
=======================================
  Files          43       43           
  Lines        2853     2853           
  Branches      533      533           
=======================================
  Hits         2313     2313           
  Misses        540      540           

Impacted Files	Coverage Δ
src/openshift/component.ts	86.19% <33.33%> (ø)

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