Git with P4 merge is having issues

We have integrated Git with Perforce merge. We invoked the p4merge and it shows 5 conflicts. I resolved only one conflict and saved the merge. When I try to re-invoke the p4merge us开发者_开发知识库ing gitmerge tool, it says "no merge required." We are not able to reinvoke the mergetool even though the merge is not complete.

Kindly advise.

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As Jefromi comments, the question "GIT 2 or more merge conflicts in a single file - how p4merge handles?" points to a possible cause (status 0 even if conflicts exist)

Wrappers can help debug the situation (see some in this gist).
Checking for conflict maker can help you return a non-0 status, like in this script (for emacs, but you can adapt it for other tool)

# check modified file
if [ ! $(egrep -c '^(<<<<<<<|=======|>>>>>>>|####### Ancestor)' ${_MERGED}) = 0 ]; then
  _MERGEDSAVE=$(${_MKTEMP} --tmpdir `${_BASENAME} ${_MERGED}`.XXXXXXXXXX)
  ${_CP} ${_MERGED} ${_MERGEDSAVE}
  echo 1>&2 "Oops! Conflict markers detected in $_MERGED."
  echo 1>&2 "Saved your changes to ${_MERGEDSAVE}"
  echo 1>&2 "Exiting with code 1."
  exit 1
fi