resolvelinks() {

}

SELF=$(resolvelinks "${0}")

sage_version() {

}

usage() {

}

unset SAGE_VENV

if [ -f "${SELF}-src-env-config" ]; then

# Not installed script, present only in src/bin/

. "${SELF}-src-env-config" >&2

if [ -z "$SAGE_VENV" -a -x "${SELF}-venv-config" ]; then

# installed by setup.py

export SAGE_VENV=$("${SELF}-venv-config" SAGE_VENV)

if [ -f "${SELF}-env-config" ]; then

# As of Issue #22731, sage-env-config is optional.

. "${SELF}-env-config" >&2

if [ "$1" = '--nodotsage' ]; then

export DOT_SAGE=`mktemp -d ${TMPDIR:-/tmp}/dotsageXXXXXX`

shift

command "${SELF}" "$@"

status=$?

rm -rf "$DOT_SAGE"

exit $status

build_sage() {

}

case "$1" in

-i|-f|-p)

echo "\"sage -i\" is obsolete, and might not work." >&2

echo "Please use \"./configure --with-<package name>\" followed by \"make\" to update/install Sage's spkg," >&2

echo "and \"./sage --pip install <package name>\" to install external packages." >&2

if [ -n "$CONDA_PREFIX" ]; then

echo "Error: 'sage $1' is not supported in Conda environments." >&2

echo "Please use 'conda install' to install packages." >&2

exit 1

fi

# Delegate further option handling to the non-installed sage-site script.

# (These options become unavailable if the directory $SAGE_ROOT is removed.)

if [ -d "$SAGE_ROOT" ]; then

exec "$SAGE_ROOT/build/bin/sage-site" "$@"

# fallthrough if there is no sage-site script

fi

echo >&2 "Error: unknown option: $1"

exit 1

;;

-b)

build_sage

exit 0

;;

-br|--br)

echo "Warning: 'sage -br' is deprecated." >&2

echo "In an editable install, just run './sage' to use the latest built code." >&2

build_sage

shift; set -- -r "$@"

;;

-bn|--build-and-notebook)

build_sage

shift; set -- -n "$@" # delegate to handling of "-n" below, after sourcing sage-env

;;

-ba)

( cd "$SAGE_ROOT" && make sagelib-clean )

build_sage

exit 0

;;

-bt*)

build_sage

switch_without_b=-${1#-b}

shift; set -- $switch_without_b "$@" # delegate to handling of "-t...." below, after sourcing sage-env

;;

if [ "$1" = '-dumpversion' -o "$1" = '--dumpversion' ]; then

sage_version

exit 0

if [ "$1" = '-v' -o "$1" = '-version' -o "$1" = '--version' ]; then

sage_version -v

exit 0

if [ "$1" = '-root' -o "$1" = '--root' ]; then

echo "$SAGE_ROOT"

exit 0

if [ -f "${SELF}-env" ]; then

. "${SELF}-env" >&2

if [ $? -ne 0 ]; then

echo >&2 "Error setting environment variables by sourcing '${SELF}-env';"

echo >&2 "possibly contact sage-devel (see http://groups.google.com/group/sage-devel)."

exit 1

fi

if [ -f "${SELF}-src-env-config.in" ]; then

# The sage script is being run out of SAGE_ROOT/src/bin.

# In this case, put this directory in the front of the PATH.

export PATH="$SAGE_SRC/bin:$PATH"

if [ -z "$DOT_SAGE" ]; then

export DOT_SAGE="$HOME/.sage"

sage_setup() {

}

interactive_sage() {

sage_setup

exec sage-ipython "$@" -i

}

usage_advanced() {

}

if [ $# -gt 0 ]; then

if [ "$1" = '-h' -o "$1" = '-?' -o "$1" = '-help' -o "$1" = '--help' ]; then

usage

fi

if [ "$1" = "-advanced" -o "$1" = "--advanced" ]; then

usage_advanced

fi

if [ "$1" = '-min' -o "$1" = '--min' ]; then

shift

export SAGE_IMPORTALL=no

if [ "$1" = '-q' ]; then

shift

export SAGE_BANNER=no

if [ $# -eq 0 ]; then

interactive_sage

if [ "$1" = '-c' ]; then

shift

sage_setup

exec sage-eval "$@"

if [ "$1" = '-preparse' -o "$1" = "--preparse" ]; then

shift

exec sage-preparse "$@"

if [ "$1" = '-cleaner' -o "$1" = '--cleaner' ]; then

exec sage-cleaner

if [ "$1" = '-pip' -o "$1" = '--pip' -o "$1" = "--pip3" ]; then

shift

exec python3 -m pip --disable-pip-version-check "$@"

if [ "$1" = '-python' -o "$1" = '--python' -o "$1" = '-python3' -o "$1" = '--python3' ]; then

shift

exec python3 "$@"

if [ "$1" = '-ipython' -o "$1" = '--ipython' -o "$1" = '-ipython3' -o "$1" = '--ipython3' ]; then

shift

exec ipython3 "$@"

if [ "$1" = '-jupyter' -o "$1" = '--jupyter' ]; then

shift

exec jupyter "$@"

if [ "$1" = "-cython" -o "$1" = '--cython' -o "$1" = '-pyrex' -o "$1" = "--pyrex" ]; then

shift

exec cython "$@"

if [ "$1" = '-gap' -o "$1" = '--gap' ]; then

shift

# Use "-A" to avoid warnings about missing packages. The gap

# interface and libgap within sage both already do this.

exec gap -A "$@"

if [ "$1" = '-gap3' -o "$1" = '--gap3' ]; then

shift

exec gap3 "$@"

if [ "$1" = '-gp' -o "$1" = '--gp' ]; then

shift

exec gp "$@"

if [ "$1" = '-polymake' -o "$1" = '--polymake' ]; then

shift

exec polymake "$@"

if [ "$1" = '-singular' -o "$1" = '--singular' ]; then

shift

exec Singular "$@"

if [ "$1" = '-sqlite3' -o "$1" = '--sqlite3' ]; then

shift

exec sqlite3 "$@"

if [ "$1" = '-ecl' -o "$1" = '--ecl' ]; then

shift

exec ecl "$@"

if [ "$1" = '-lisp' -o "$1" = '--lisp' ]; then

shift

exec ecl "$@"

if [ "$1" = '-kash' -o "$1" = '--kash' ]; then

shift

exec kash "$@"

if [ "$1" = '-maxima' -o "$1" = '--maxima' ]; then

shift

maxima_cmd=$(sage-config MAXIMA 2>/dev/null)

if [ -z "${maxima_cmd}" ]; then

maxima_cmd="maxima"

fi

exec $maxima_cmd "$@"

if [ "$1" = '-mwrank' -o "$1" = '--mwrank' ]; then

shift

exec mwrank "$@"

if [ "$1" = '-M2' -o "$1" = '--M2' ]; then

shift

exec M2 "$@"

if [ "$1" = '-R' -o "$1" = '--R' ]; then

shift

exec R "$@"

if [ "$1" = '-git' -o "$1" = '--git' ]; then

shift

exec git "$@"

if [ "$1" = '-sh' -o "$1" = '--sh' -o "$1" = '-buildsh' -o "$1" = '--buildsh' ]; then

# AUTHORS:

# - Carl Witty and William Stein: initial version

# - Craig Citro: add options for not loading profile

# - Martin Albrecht: fix zshell prompt (#11866)

# - John Palmieri: shorten the prompts, and don't print messages if

# there are more arguments to 'sage -sh' (#11790)

if [ -z "$SAGE_SHPROMPT_PREFIX" ]; then

SAGE_SHPROMPT_PREFIX=sage-sh

fi

if [ "$1" = '-buildsh' -o "$1" = '--buildsh' ]; then

if [ ! -r "$SAGE_ROOT"/build/bin/sage-build-env-config ]; then

echo "error: '$SAGE_ROOT' does not contain build/bin/sage-build-env-config. Run configure first."

exit 1

fi

. "$SAGE_ROOT"/build/bin/sage-build-env-config || (echo "error: Error sourcing $SAGE_ROOT/build/bin/sage-build-env-config"; exit 1)

. "$SAGE_ROOT"/build/bin/sage-build-env || (echo "error: Error sourcing $SAGE_ROOT/build/bin/sage-build-env"; exit 1)

export SAGE_SHPROMPT_PREFIX=sage-buildsh

# We export it so that recursive invocation of 'sage-sh' from a sage-buildsh shows the sage-buildsh prompt;

# this makes sense because all environment variables set in build/bin/sage-build-env-config

# and build/bin/sage-build-env are exported.

fi

shift

# If $SHELL is unset, default to bash

if [ -z "$SHELL" ]; then

export SHELL=bash

fi

# We must start a new shell with no .profile or .bashrc files

# processed, so that we know our path is correct

SHELL_NAME=`basename "$SHELL"`

# Check for SAGE_SHPROMPT. If defined, use for the prompt. If

# not, check for already-defined $PS1, and if defined use that.

# $PS1 should only be available if it is defined in

# $DOT_SAGE/sagerc.

if [ -n "$SAGE_SHPROMPT" ]; then

oldPS1=$SAGE_SHPROMPT

elif [ -n "$PS1" ]; then

oldPS1=$PS1

fi

# Set the default prompt. If available, use reverse video to

# highlight the string "(sage-sh)".

if tput rev &>/dev/null; then

color_prompt=yes

fi

case "$SHELL_NAME" in

bash)

SHELL_OPTS="--norc"

if [ "$color_prompt" = yes ]; then

PS1="\[$(tput rev)\]($SAGE_SHPROMPT_PREFIX)\[$(tput sgr0)\] \u@\h:\W\$ "

else

PS1="($SAGE_SHPROMPT_PREFIX) \u@\h:\w\$ "

fi

export PS1

;;

csh)

# csh doesn't seem to allow the specification of a different

# .cshrc file, and the prompt can only be set in this file, so

# don't bother changing the prompt.

SHELL_OPTS="-f"

;;

ksh)

SHELL_OPTS="-p"

if [ "$color_prompt" = yes ] ; then

PS1="$(tput rev)($SAGE_SHPROMPT_PREFIX)$(tput sgr0) $USER@`hostname -s`:\${PWD##*/}$ "

else

PS1="($SAGE_SHPROMPT_PREFIX) $USER@`hostname -s`:\${PWD##*/}$ "

fi

export PS1

;;

sh)

# We don't really know which shell "sh" is (it could be

# bash, but this is not guaranteed), so we don't set

# SHELL_OPTS.

if [ "$color_prompt" = yes ] ; then

PS1="$(tput rev)($SAGE_SHPROMPT_PREFIX)$(tput sgr0) $USER@`hostname -s`:\${PWD##*/}$ "

else

PS1="($SAGE_SHPROMPT_PREFIX) $USER@`hostname -s`:\${PWD}$ "

fi

export PS1

;;

tcsh)

# tcsh doesn't seem to allow the specification of a different

# .tcshrc file, and the prompt can only be set in this file, so

# don't bother changing the prompt.

SHELL_OPTS="-f"

;;

zsh)

PS1="%S($SAGE_SHPROMPT_PREFIX)%s %n@%m:%~$ "

# In zsh, the system /etc/zshenv is *always* run,

# and this may change the path (like on OSX), so we'll

# create a temporary .zshenv to reset the path

ZDOTDIR=$DOT_SAGE && export ZDOTDIR

cat >"$ZDOTDIR/.zshenv" <<EOF

SHELL_OPTS=" -d"

export PS1

;;

*)

export PS1='($SAGE_SHPROMPT_PREFIX) $ '

;;

esac

if [ -n "$oldPS1" ]; then

PS1="$oldPS1"

export PS1

fi

if [ $# -eq 0 ]; then

# No arguments, so print informative message...

echo >&2

echo >&2 "Starting subshell with Sage environment variables set. Don't forget"

echo >&2 "to exit when you are done. Beware:"

echo >&2 " * Do not do anything with other copies of Sage on your system."

echo >&2 " * Do not use this for installing Sage packages using \"sage -i\" or for"

echo >&2 " running \"make\" at Sage's root directory. These should be done"

echo >&2 " outside the Sage shell."

echo >&2

if [ -n "$SHELL_OPTS" ]; then

echo >&2 "Bypassing shell configuration files..."

echo >&2

fi

echo >&2 "Note: SAGE_ROOT=$SAGE_ROOT"

"$SHELL" $SHELL_OPTS "$@"

status=$?

echo "Exited Sage subshell." 1>&2

else

exec "$SHELL" $SHELL_OPTS "$@"

# If 'exec' returns, an error occurred:

status=$?

echo >&2 "Fatal error: 'exec \"$SHELL\" \"$@\"' failed!"

fi

exit $status

if [ "$1" = '-rst2ipynb' -o "$1" = '--rst2ipynb' ]; then

shift

rst2ipynb --kernel=sagemath "$@"

status="${?}"

if [ "${status}" -eq "127" ] ; then echo 'rst2ipynb is not installed, please run "sage -i rst2ipynb"' ; fi

exit ${status}

if [ "$1" = '-ipynb2rst' -o "$1" = '--ipynb2rst' ]; then

shift

exec sage-ipynb2rst "$@"

if [[ "$1" =~ ^--notebook=.* || "$1" =~ ^-n=.* || "$1" =~ ^-notebook=.* ]] ; then

sage-cleaner &>/dev/null &

exec sage-notebook "$@"

if [ "$1" = "-notebook" -o "$1" = '--notebook' -o "$1" = '-n' ]; then

sage-cleaner &>/dev/null &

exec sage-notebook "$@"

if [ "$1" = "-bn" -o "$1" = "--build-and-notebook" ]; then

shift

build_sage

sage-cleaner &>/dev/null &

exec sage-notebook --notebook=default "$@"

if [ -n "$SAGE_SRC" -a -d "$SAGE_SRC" ]; then

# Source inspection facilities, supported on sage-the-distribution and on distributions

# that package the Sage sources.

if [ "$1" = '-grep' -o "$1" = "--grep" -o "$1" = "-search_src" -o "$1" = "--search_src" ]; then

shift

sage-grep "$@"

exit 0

fi

if [ "$1" = '-grepdoc' -o "$1" = "--grepdoc" -o "$1" = "-search_doc" -o "$1" = "--search_doc" ]; then

shift

sage-grepdoc "$@"

exit 0

fi

if [ "$1" = '-r' ]; then

shift

interactive_sage

exec-runtests() {

}

if [ "$1" = '-t' -o "$1" = '-tp' ]; then

if [ "$1" = '-tp' ]; then

shift

exec-runtests -p "$@"

else

shift

exec-runtests "$@"

fi

if [ "$1" = '-tnew' ]; then

shift

exec-runtests --new "$@"

if [ "$1" = '-testall' -o "$1" = "--testall" ]; then

shift

exec-runtests -a "$@"

if [ "$1" = '-fixdoctests' -o "$1" = '--fixdoctests' ]; then

shift

exec sage-fixdoctests "$@"

if [ "$1" = "-coverage" -o "$1" = "--coverage" ]; then

shift

exec sage-coverage "$@"

if [ "$1" = "-coverageall" -o "$1" = "--coverageall" ]; then

shift

exec sage-coverage --all "$@"

if [ "$1" = '-startuptime' -o "$1" = '--startuptime' ]; then

exec sage-startuptime.py "$@"

if [ "$1" = '-tox' -o "$1" = '--tox' ]; then

shift

if [ -n "$SAGE_SRC" -a -f "$SAGE_SRC/tox.ini" ]; then

if command -v tox >/dev/null ; then

exec tox -c "$SAGE_SRC" "$@"

else

echo "Run 'sage -i tox' to install"

exit 1

fi

else

echo >&2 "error: Sage source directory or tox.ini not available"

exit 1

fi

if [ "$1" = '-pytest' -o "$1" = '--pytest' ]; then

shift

if [ -n "$SAGE_SRC" -a -f "$SAGE_SRC/tox.ini" ]; then

if command -v pytest >/dev/null ; then

# If no non-option arguments are given, provide one

for a in $*; do