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#!/bin/sh
# $Id$
# Public domain.  Originally written 2005, Karl Berry.
#
# Attempt to push a package from CTAN into TL.

renice 20 $$ >/dev/null 2>&1
unset CDPATH  # avoid extraneous output
LC_ALL=C; export LC_ALL # avoid problems with diff, comm, etc
umask 022

# to avoid the svn hit on every run when developing.
#TLPKGINFO_CATALOGUE_NO_UPDATE=1; export TLPKGINFO_CATALOGUE_NO_UPDATE

mydir=`cd \`dirname $0\` && pwd`	# Master/tlpkg/bin
libexec=`cd $mydir/../libexec && pwd`	# Master/tlpkg/libexec
PATH=$mydir:$libexec:$PATH  # we call lots of our other tools

Build=`cd $mydir/../../../Build && pwd`
raw=$Build/tmp.raw
test -d $raw || mkdir $raw
cd $raw || exit 1

if test "x$1" = x--help; then
  echo "Usage: $0 [--place] [--no-ctan] [--git] TLPKGNAME"
  echo
  echo "Install a package from CTAN into TeX Live."
  echo
  echo "--place,-p,p  perform repository adds/removes."
  echo "--no-ctan     if already have files in Build/tmp.raw/PKG."
  echo "--contrib     for https://contrib.texlive.info."
  echo "--git         for git."
  echo
  echo "This never actually commits anything to the repository,"
  echo "but it does svn update the potentially affected directories."
  echo
  echo "Without --place, it only creates files in Build/tmp.{raw,cooked}."
  echo "With --place, it also does repository adds and removes,"
  echo "but never commits."
  echo
  echo "Read and understand https://tug.org/texlive/pkgupdate.html"
  echo "before running this."
  exit 0
fi

place_chicken=-n
copy_from_ctan=true
contrib_ctan2tds_arg=
contrib_place_arg=
mode=svn
pkg=
while test $# -gt 0; do
  case "$1" in
    'p'|'-p'|'--place')
      place_chicken=
      shift;;
    '--no-ctan')
      copy_from_ctan=false
      shift;;
    '--contrib')
      do_contrib=true; shift
      contrib_place="$1"; shift
      contrib_ctan2tds_arg=--contrib
      contrib_place_arg="--contrib=$contrib_place --mode=git"
      ;;
    '--git')
      mode="git"
      shift;;
    */*)
      echo "$0: package name must not contain /: $1" >&2
      exit 1;;
    *)
      if test -n "$pkg"; then
        echo "$0: package $pkg already specified, unexpected second: $1" >&2
        exit 1
      fi
      pkg=$1
      shift;;
  esac
done

if test -z "$pkg"; then
  echo "$0: no TL package name specified." >&2
  exit 1
fi

if $copy_from_ctan; then
  ctan_dir=`tlpkginfo --prepare $pkg`
else
  ctan_dir=$pkg
fi

if test -z "$ctan_dir"; then
  echo "$0: can't find CTAN directory for $pkg." >&2
  exit 1
fi

echo "$0: ctan dir for $pkg"
echo "$0: is $ctan_dir"

test -r "$ctan_dir/TDS_READY" \
&& echo "... from `cat $ctan_dir/TDS_READY`"

# help in keeping things in sync.
if egrep " $pkg"'( |$)' $mydir/tlpkg-ctan-check >/dev/null; then :; else
  echo
  echo "*** $0: $pkg not in $mydir/tlpkg-ctan-check, add?"
fi

if grep "^depend  *$pkg\$" $mydir/../tlpsrc/collection-* >/dev/null; then :
else
  echo
  echo "*** $0: $pkg not in any collection, add?"
fi

# 
if $copy_from_ctan; then

# remove whatever dregs in raw that might be lying around.
rm -rf $pkg

if test "$pkg" = genmisc; then  # remove files after copying in ctan2tds
  # do not copy subdirs, symlinks, or any files but .sty and .tex
  # (that is, no patch.doc or pmat.zip).
  mkdir -p $pkg
  cp -p \
    `find $ctan_dir/* '(' -type d -o -type l ')' -prune -o \
                          '(' -name '*.sty' -o -name *.tex ')' -print` \
    $pkg || exit 1

else
  # normal case (/. to deref symlinks, e.g., arabtex)
  cp -pr $ctan_dir/. $pkg || exit 1
fi

# Sometimes files on CTAN have future dates. Silently change them
# to now. Otherwise the build might eventually fail because of the
# warning from tar ("time stamp ... in the future"). We could silence
# the warning instead, but it seems better not to have future mtimes in
# the repository.
find $pkg -mtime -0 | xargs --no-run-if-empty touch

# clean up the tmpdir possibly created by tlpkginfo --prepare.
ctan_root=`tlpkginfo --ctan-root`
if echo "$ctan_dir" | egrep "^$ctan_root" >/dev/null; then :; else
  ctan_dir=`cd $ctan_dir && pwd`  # canonicalize
  slashes=`echo $ctan_dir | tr -cd /`
  if test "$slashes" = /; then
    echo "$0: only one directory level in CTAN directory: $ctan_dir" >&2
    exit 1
  fi
  rm -rf $ctan_dir
fi
fi  # end of copying from CTAN.


# 
printf "\n$0: calling ctan2tds\n"
cooked=$Build/tmp.cooked
rm -rf $cooked/$pkg
test -d $cooked || mkdir $cooked
ctan2tds --ctan-dir=$ctan_dir $contrib_ctan2tds_arg $pkg || exit 1

cd $cooked || exit 1
printf "\n\f cooked\n"
find $pkg -name TDS_READY -exec rm '{}' \;     # remove sentinel file
find $pkg -depth -type d | xargs rmdir 2>/dev/null  # remove empty directories

spacenames="`find $pkg -name \*\ \*`"
if test -n "$spacenames"; then
  echo "$0: cooked hierarchy contains files with spaces, goodbye:" >&2
  echo "in `pwd`/$pkg:" >&2
  echo "$spacenames" >&2
  exit 1
fi

# check for file names differing in case only.
find $pkg \( -name .svn \) -prune -o -print | sort -f | uniq -i -d >&2

# not group-writable; cron checks also.
chmod -R u+w,go-w,a+rX-st $pkg

# check for symlinks
find $pkg -type l -ls | grep -v /Master/bin | sort >&2

# show list of files (and tee to tmp).
find $pkg \! -type d -printf "%TY%Tm%Td.%TH%TM %p\n" | sort -k2 \
| tee ${TMPDIR-/tmp}/"$USER"-ctan2tl.files

printf "\n$0: calling place $place_chicken $contrib_place_arg $pkg\n"
rm -rf $pkg.done
place $place_chicken --mode $mode $contrib_place_arg $pkg
status=$?

$copy_from_ctan && rm -rf $raw/$pkg
exit $status