diff options
Diffstat (limited to 'Master/bin/alpha-linux/texlinks')
| -rwxr-xr-x | Master/bin/alpha-linux/texlinks | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/Master/bin/alpha-linux/texlinks b/Master/bin/alpha-linux/texlinks new file mode 100755 index 00000000000..148d457aa84 --- /dev/null +++ b/Master/bin/alpha-linux/texlinks @@ -0,0 +1,290 @@ +#!/bin/sh + +# Copyright Thomas Esser, 1999, 2002, 2003. public domain. + +# texlinks: script to maintain symlinks from format to engine. Interprets +# the lines given in fmtutil.cnf. + +# History: +# Sun Aug 28 21:41:06 CEST 2005 +# remove special cases for csplain,cslatex,pdfcslatex,pdfcsplain +# Fr Apr 8 19:15:05 CEST 2005 +# cleanup now has an argument for the return code +# So Mär 27 18:52:06 CEST 2005 +# honor $TMPDIR, $TEMP and $TMP, not just $TMP +# Mon May 10 20:52:48 CEST 2004 +# kpseaccess instead of access +# Thu Dec 25 22:11:53 CET 2003, te: +# add version string +# Tue Apr 9 22:46:34 CEST 2002, te: +# do not create symlinks for cont-??, metafun and mptopdf + +test -f /bin/sh5 && test -z "$RUNNING_SH5" \ + && { UNAMES=`uname -s`; test "x$UNAMES" = xULTRIX; } 2>/dev/null \ + && { RUNNING_SH5=true; export RUNNING_SH5; exec /bin/sh5 $0 ${1+"$@"}; } +unset RUNNING_SH5 + +test -f /bin/bsh && test -z "$RUNNING_BSH" \ + && { UNAMES=`uname -s`; test "x$UNAMES" = xAIX; } 2>/dev/null \ + && { RUNNING_BSH=true; export RUNNING_BSH; exec /bin/bsh $0 ${1+"$@"}; } +unset RUNNING_BSH + +export PATH + +# hack around a bug in zsh: +test -n "${ZSH_VERSION+set}" && alias -g '${1+"$@"}'='"$@"' + +cnf=fmtutil.cnf # name of the config file +version=1125258113 # seconds since `00:00:00 1970-01-01 UTC' + # date '+%s' (with GNU date) +progname=texlinks + +usage='texlinks [options] [directories] + +Create symbolic links format -> engine according to fmtutil setup. + +Valid options: + --help + -h show this help text + --version show version string + --cnffile file + -f file use file as config file (default: fmtutil.cnf) + --verbose + -v set verbose mode on (default: off) + --multiplatform + -m operate in all platform specific directories + (default: operate only in directory for this platform) + --silent + -s silently skip over existing scripts / binaries + instead of creating a warning + +directories is an optional list of directories in which to operate. +If no directories are specified the list of directories depends on the +--multiplatform option. +' + +############################################################################### +# abort(errmsg) +# print `errmsg' to stderr and exit with error code 1 +############################################################################### +abort() { errmsg "texlinks: $1."; cleanup 1; } + +# error message to stderr: +errmsg() { echo "$@" >&2; } + +# give message to stderr only if "verbose" mode is on: +verbose_echo() { $verbose && errmsg "$@"; } + +# in verbose mode: show command that is executed: +verbose_do() { verbose_echo "$@"; "$@"; } + +############################################################################### +# cleanup() +# clean up the temp area and exit with proper exit status +############################################################################### +cleanup() +{ + rc=$1 + $needsCleanup && test -n "$tmpdir" && test -d "$tmpdir" \ + && { rm -f "$tmpdir"/*; cd /; rmdir "$tmpdir"; } + exit $rc +} + +############################################################################### +# setupTmpDir() +# set up a temp directory and a trap to remove it +############################################################################### +setupTmpDir() +{ + $needsCleanup && return + + trap 'cleanup 1' 1 2 3 7 13 15 + needsCleanup=true + (umask 077; mkdir "$tmpdir") \ + || abort "could not create directory \`$tmpdir'" +} + + +# search a binary along $PATH: +check_for_binary() +{ + testbin=$1 + set x `echo "$PATH" | sed 's/^:/.:/; s/:$/:./; s/::/:.:/g; s/:/ /g'`; shift + for i + do + if [ -x "$i/$testbin" ]; then + echo "$i/$testbin" + return 0 + fi + done + return 1 +} + + +############################################################################### +# install_link(dest src) +# create a symlink like ln -s dest src, but make sure that src is not +# an existing binary +############################################################################### +install_link() +{ + # make symlink src -> dest + dest=$1; src=$2 + + case $src in + */mf) + if test $dest = "mf-nowin" && test -f $selfautoloc/mfw; then + dest="mfw" + verbose_echo "both mfw and mf-nowin exists, $src linked to $dest" + fi + ;; + esac + + case $src in + */cont-??|*/metafun|*/mptopdf) + verbose_echo "symlink $2 -> $dest skipped (special case)" + ;; + *) + test "x$src" != "x`(ls -ld $src | awk '{print $NF}') 2>/dev/null`" && + verbose_do rm -f "$src" + + if test -f "$src"; then + case $silent in + true) + ;; + *) + errmsg "install_link failed for $src. File already exists." + ;; + esac + else + verbose_do ln -s "$dest" "$src" + fi + ;; + esac +} + +############################################################################### +# search_symlinkdir() +# look if $PATH has only symlinks to the real binaries and find that +# directory. Also check if this directory is writable. +############################################################################### +search_symlinkdir() +{ + kpsewhich=`check_for_binary kpsewhich` + test -z "$kpsewhich" && return 1 + symlinkdir=`echo $kpsewhich | sed 's@/*kpsewhich$@@'` + kpseaccess -w "$symlinkdir" || return 1 + touch "$symlinkdir/tl$$" + if test -f "$selfautoloc/tl$$"; then + rm -f "$symlinkdir/tl$$" + return 1 + else + rm -f "$symlinkdir/tl$$" + return 0 + fi +} + +############################################################################### +# upd_symlinkdir() +# if $PATH has only symlinks to the real binaries, update that directory +# that holds the symlinks +############################################################################### +upd_symlinkdir() +{ + search_symlinkdir || return 0 + for i in `sed 's@ .*@@' cnf_file_ln.$$`; do + install_link "$selfautoloc/$i" "$symlinkdir/$i" + done +} + +############################################################################### +# main() +# parse commandline arguments, initialize variables, +# switch into temp. direcrory, execute desired command +############################################################################### +main() +{ + cnf_file= # global variable: full name of the config file + dirs= + needsCleanup=false + + multiplatform=false + verbose=false + silent=false + thisdir=`pwd` + : ${KPSE_DOT=$thisdir}; export KPSE_DOT + selfautoloc=`kpsewhich --expand-var='$SELFAUTOLOC'` + while + case $1 in + --h*|-h) + echo "$usage"; exit 0;; + --version) + echo "$progname version $version."; exit 0;; + --cnffile|-f) + shift; cnf_file=$1;; + --v*|-v) verbose=true;; + --s*|-s) silent=true;; + --m*|-m) multiplatform=true;; + -*) errmsg "fmtutil: unknown option \`$1' ignored.";; + *) break;; + esac + do test $# -gt 0 && shift; done + dirs="$*" + + # if no cnf_file from command-line, look it up with kpsewhich: + test -z "$cnf_file" && cnf_file=`kpsewhich --format='web2c files' $cnf` + test -f "$cnf_file" || abort "config file \`$cnf' not found" + + + tmpdir=${TMPDIR-${TEMP-${TMP-/tmp}}}/texlinks.$$ + setupTmpDir + cd "$tmpdir" || cleanup 1 + + sed '/^[ ]*#/d; /^[ ]*$/d' $cnf_file \ + | awk '{print $1, $2}' > cnf_file_ln.$$ + + if test -z "$dirs"; then + if test $multiplatform = true; then + case $selfautoloc in + */bin) dirs=$selfautoloc;; + *) parent=`kpsewhich --expand-var='$SELFAUTODIR'` + dirs=`find $parent -type f -name kpsewhich -print \ + | sed 's@/kpsewhich$@@'`;; + esac + else + dirs=$selfautoloc + fi + fi + + for d in $dirs; do + kpseaccess -w $d \ + || { errmsg "$d: no write permissions. Skipping..."; continue; } + # cnf_file_ln.$$ has lines with "format engine" pairs + set x `cat cnf_file_ln.$$`; shift + while test $# != 0; do + fmt=$1; engine=$2; shift; shift + + # Some broken shells destroy the positional arguments when calling a + # shellfunction. Therefore, we save and restore them "by hand" in the + # main_args_while variable. + main_args_while="$@" + + test "x$fmt" = "x$engine" && continue + if test -f "$d/$engine"; then + install_link "$engine" "$d/$fmt" + else + verbose_echo "$d/$engine: engine does not exist. Skipping..." + fi + + # restore positional arguments: + set x $main_args_while; shift + + done + done + upd_symlinkdir +} + +main ${1+"$@"} + +# set successful return code +cleanup 0 |