#!/usr/bin/env bash
 
GITCOMMIT=$( git rev-parse HEAD )
#GITDATE=$( git log -1 --format="%H%n%aD" --date=short )

# we go to a lot of trouble here, just to get 
# short form, in prettiest way, using git commands
# as much a possible, instead of heuristic parsing.
git symbolic-ref --quiet HEAD >/dev/null 
if (( $? == 0 )) 
then 
    GITBRANCH=$( git rev-parse --abbrev-ref HEAD )   
else
    GITBRANCH='[Not on a branch]'
fi

GITTAG=$( git describe --abbrev=0 --exact-match --contains --tags $GITCOMMIT )
#echo "GITTAG: $GITTAG"
SHORT_TAG=${GITTAG##*/}
#echo "SHORT_TAG: $SHORT_TAG"

#echo "pwd: ${PWD}"
REPONAME=${PWD##*/}

case "$REPONAME" in 
    eclipse.platform*) 
        REPOROOT="platform";;
    eclipse.jdt*) 
        REPOROOT="jdt";;
    eclipse.pde*) 
        REPOROOT="pde";;
    rt.equinox*) 
        REPOROOT="equinox";;
    *)
        echo "WARNING: unrecognized reponame pattern for $REPONAME";;
esac
#echo "REPOROOT: $REPOROOT"
#echo "reponame: ${REPONAME}"
#echo "git_dir: $GIT_DIR"
# git ls-remote http://www.kernel.org/pub/scm/git/git.git master pu rc
# git://git.eclipse.org/gitroot/platform/eclipse.platform.releng.aggregator.git
REMOTETAG=$( git ls-remote --tags git://git.eclipse.org/gitroot/${REPOROOT}/${REPONAME}.git $SHORT_TAG ) 
if [[ -z "${REMOTETAG}" ]] 
then
    REMOTETAG='[No tag in remote (canonical) repository]'
else
    REMOTETAG=${REMOTETAG##*/}
fi
#echo "REMOTETAG: $REMOTETAG" 
printf "  %s \t%s \t%s \t%s \t%s \n" "$REPONAME $GITCOMMIT $GITBRANCH $SHORT_TAG $REMOTETAG"