#!/bin/bash
#
# $1 = Module name e.g. smeserver-ddclient
# $2 = Organisation (smeserver or smecontrib)e
# optional (can be in any order)
#   <local> will use parameters set for local repository else it will use remote
#   <debug> turn on debug regardless of ~/.smegit/config
#   <noisy> print a line showing how it was called
# Module name must exist
#

if [[ -z $1 ]] ; then
	echo "************git-retag.sh <modulename> <organization> [<local> | <debug>]"
	exit 0
fi

#
# Pull in parameters from a config file ~/.smegit/config
#
inifilename=$(echo ~)"/.smegit/config"
if [ ! -e $inifilename ] ; then
  # Not here, look at system default
  if [ ! -e /etc/smegit.ini ] ; then 
    echo "No ini file found $inifiename or /etc/smegit.ini"
    echo "git-retag.sh <modulename> <organization> [<local> | <debug>]"
    exit 1
  else
    initfilename="/etc/smegit.ini"
  fi
fi 

while read -r line || [[ -n "$line" ]]; do
    if [[ $line =~ ^\[.*\]$ ]]
    then
        section=${line#*[}
        section=${section%]*}
    else
        if [[ $line =~ ^[^#]*= ]]
        then
            key=${line%=*}
            value=${line#*=}
            declare "${section}_${key}=$value"
        fi
    fi
done < "$inifilename"
DEBUG=
if [ ${smegit_DEBUG} == "true" ] ; then DEBUG=true ; fi

REPO_NAME=$1
ORGGITEA=$2
GITEAUser=${remote_USER}
GITEAACCESSTOKEN=${remote_GITEAACCESSTOKEN}
GITEAHOST=${remote_GITEAHOST}
NOISY=
EXTRAPARAMS=
for param in $3 $4 $5 $6 ; do
  if [ $param ] ; then
    case $param in
	  local )
    	GITEAUser=${local_USER}
    	GITEAACCESSTOKEN=${local_GITEAACCESSTOKEN}
    	GITEAHOST=${local_GITEAHOST}
		;;
	  debug )
		DEBUG=true ;;
      noisy )
        NOISY=true ;;
      * )
        echo "Unkown parameter: $param"
		exit 1
		;;
    esac
  else
	  break
  fi
done

if [ $NOISY ] ; then echo "git-retag.sh $1 $2 $3 $4 $5 $6" ; fi
if [ $DEBUG ] ; then echo "************found ini file: $inifilename" ; fi
# Make this null if you want lots of output. Still quite a bit anyway
QUIET="-q"
SILENT4CURL="-s" 
SILENT4MAKE="-s"
if [ $DEBUG ] ; then 
	QUIET=
	SILENT4CURL="-v"
	SILENT4MAKE=
fi
# Make this null to get curl to check ssl cert
checkSSL="-k"

LOCALUser=${local_USER}
if [[ $smegit_WORKDIR == ~* ]] ; then
    # relative to users home dir
    WORKDIR=$(echo ~)${smegit_WORKDIR:1}
else
    # absolute path
    WORKDIR=${smegit_WORKDIR}
fi
if [ $DEBUG ] ; then echo "WORKDIR=$WORKDIR" ; fi
RemoteRepoURL="$GITEAHOST/$ORGGITEA/$REPO_NAME"

# Make sure credentials taken from store
# The first time you pull or push it will ask for credentials and then save them in a file.
git config --global credential.helper store

# Create the local Git repository
GITFiles=$WORKDIR/$ORGGITEA
mkdir -p $GITFiles
cd $GITFiles

# Delete the local first
if [ -d "$REPO_NAME" ] ; then
	if [ $DEBUG ] ; then echo "************Deleting local GIT files" ; fi
	rm -Rf $GITFiles/$REPO_NAME
fi

# See if it exists on the Gitea host
if [ $DEBUG ] ; then echo "check that $GITEAHOST/$ORGGITEA/$REPO_NAME exists" ; fi
RESPONSE=$(curl $checkSSL $SILENT4CURL -o /dev/null -w "%{http_code}" "$GITEAHOST/api/v1/repos/$ORGGITEA/$REPO_NAME")
if [ "$RESPONSE" == "200" ]; then
    if [ $DEBUG ] ; then echo "************Repository for $REPO_NAME exists, cloning!" ; fi
	# If so, clone it (just want the README.md)
    if [ $DEBUG ] ; then echo "git clone $GITEAHOST/$ORGGITEA/$REPO_NAME.git" ; fi
	cd $GITFiles
	git clone "$GITEAHOST/$ORGGITEA/$REPO_NAME.git"
else
    echo "************Repository for $ORGGITEA/$REPO_NAME does not exist. Aborting $RESPONSE"
	exit 1
fi

cd $GITFiles/$REPO_NAME
# read the existing tags
OLDTAGS=$(git tag --list)
# delete old tag/s
for tag in $OLDTAGS ; do
#	git tag --delete $tag
# git push origin --delete $tag
# for some reason the remote delete is rejected, so were using the gitea API call instead
  if [[ $DEBUG ]] ; then echo "curl $checkSSL $SILENT4CURL -X 'DELETE' '$GITEAHOST/api/v1/orgs/$ORGGITEA/$REPO_NAME/tags/$tag' -H 'accept: application/json' -H 'Authorization: token $GITEAACCESSTOKEN'" ; fi
	RESPONSE=$(curl "$checkSSL" "$SILENT4CURL" -X 'DELETE' \
		"$GITEAHOST/api/v1/orgs/$ORGGITEA/$REPO_NAME/tags/$tag" \
		-H 'accept: application/json'   \
		-H "Authorization: token $GITEAACCESSTOKEN" ) 
done
# Now create the version and release tag from the specfile
VERSION_RELEASE=`rpm --queryformat '%{version} %{release}\n' --specfile $REPO_NAME.spec`
VERSION=${VERSION_RELEASE% *}
RELEASE=${VERSION_RELEASE#* }
# Release is not reliable - if you run on Rocky it comes back EL8, centos 7  - EL7
# So, we need to just take the build part (first word)
TAG=$VERSION"-"${RELEASE%.*}
git pull
git tag -a $TAG -m "Setting tag to current Version-Release in spec file: $TAG"
git push origin --tag $TAG $QUIET

echo "Current $ORGGITEA/$REPO_NAME tagged as $TAG - old tags removed"
exit 0