gogo

#!/bin/zsh -eu
mydir=${0:a:h}

# Does some minor manipulations to get HuGo to work nicely w/ the desired repo directory layout.
# Used in local dev on a mac; and in GitHub Actions

cd $mydir

function restore-source-files() {
  ( set +e; mv data/comments . && rmdir data )
  for MD in $(find . -mindepth 2 -type f -name 'index.md' |cut -f2- -d/ |grep -Ev ^public/); do
    HTM=$(echo $MD |perl -pe 's/\.md$/.html/')
    mv $HTM.tmp $HTM
    rm $MD
  done
}

UNAMEY=$(uname)

if [ "$UNAMEY" = Darwin ]; then
  # in dev mode
  trap restore-source-files EXIT
else
  # GitHub Actions
  # Setup theme
  set -x
  pwd
  wget -q https://github.com/traceypooh/hugo-future-imperfect-slim/archive/refs/heads/master.zip
  unzip -q master.zip
  mv hugo-future-imperfect-slim-master theme
  set +x
fi


# sigh :p
mkdir -p data
mv comments data

NPAGES=0
NPOSTS=0
for HTM in $(find . -mindepth 2 -type f -name 'index.html' |cut -f2- -d/ |grep -Ev ^public/); do
  if ( ! grep -qE '^---' $HTM ); then
    # echo "skipping $HTM w/o frontmatter"
    continue
  fi

  MD=$(echo $HTM |perl -pe 's/\.html$/.md/')
  cp $HTM $MD
  mv $HTM $HTM.tmp

  ALIASED=

  set +e
  if ( grep -qE '^type: page$' $MD ); then
    ((NPAGES++))
  else
    ((NPOSTS++))
    DATE=$(grep -Eo '^date: [0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]' $MD |cut -f2 -d ' ')
    if [ "$DATE" = "" ]; then
      echo "$HTM has no 'date:'"
      exit 1
    fi

    if ( grep -qE '^aliases:' $MD ); then
      ALIASED=1
    fi

    if ( grep -qE '^type: post$' $MD ); then
      if [[ $MD == 20* ]]; then
        # post with filename staring with '20'(YY-MM-..)
        # TTL is dirname with lead YYYY-MM- removed
        YYYY=$(echo $DATE |cut -d- -f1)
          MM=$(echo $DATE |cut -d- -f2)
          DD=$(echo $DATE |cut -d- -f3)
        TTL=$(echo $MD |rev |cut -f2- -d/ |rev |cut -f3- -d-)
        ALIAS1="/$YYYY/$MM/$DD/$TTL/"
        ALIAS2="/$YYYY/$MM/$TTL/"
        ALIASES="aliases: ['$ALIAS1', '$ALIAS2']"

        if [ $ALIASED ]; then
          # check the front matter for the 2 aliases we always want to be present
          # (there should be 1+ more, too)
          tail +2 $MD |fgrep -B100 -m1 -- --- | grep -q $ALIAS1 || \
            echo ERROR: $HTM is missing alias: $ALIAS1
          tail +2 $MD |fgrep -B100 -m1 -- --- | grep -q $ALIAS2 || \
            echo ERROR: $HTM is missing alias: $ALIAS2
        else
          perl -i -pe 's#^(date: .*)#$1\n'$ALIASES'#' $MD
        fi
      fi
    else
      echo "Adding 'type: post' to $MD"
      perl -i -pe 's#^(date: .*)#$1\ntype: post#' $MD
    fi
  fi
  set -e
done

echo Number Posts: $NPOSTS
echo Number Pages: $NPAGES

( set -eux; hugo )

# cheap check if GitHub Actions or dev mode on mac
if [ "$UNAMEY" = Darwin ]; then
  restore-source-files

  ( set -eux; caddy file-server -r public --listen :1313 )
fi