gistfile1.txt

team-tbureck-de
# teamcity at team-tbureck-de in ~/gittest/diversity on git:eca99ff ● [13:02:35]
→ git push ../common-test split/common-library:master
To ../common-test
 ! [rejected]        split/common-library -> master (fetch first)
error: failed to push some refs to '../common-test'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
team-tbureck-de
# teamcity at team-tbureck-de in ~/gittest/diversity on git:eca99ff ● [13:02:49]
→ git fetch ../common-test
warning: no common commits
remote: Counting objects: 2, done.
remote: Total 2 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (2/2), done.
From ../common-test
 * branch            HEAD       -> FETCH_HEAD
team-tbureck-de
# teamcity at team-tbureck-de in ~/gittest/diversity on git:eca99ff ● [13:03:06]
→ git push ../common-test split/common-library:master
To ../common-test
 ! [rejected]        split/common-library -> master (non-fast-forward)
error: failed to push some refs to '../common-test'
hint: Updates were rejected because a pushed branch tip is behind its remote
hint: counterpart. Check out this branch and integrate the remote changes
hint: (e.g. 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

gistfile2.txt

# teamcity at team-tbureck-de in ~/gittest/diversity on git:eca99ff ● [13:12:05]
→ git push --force ../common-test split/common-library:master
error: unable to push to unqualified destination: master
The destination refspec neither matches an existing ref on the remote nor
begins with refs/, and we are unable to guess a prefix based on the source ref.
error: failed to push some refs to '../common-test'