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#!/bin/sh
# Runs a shell command (or interactive shell) using the binaries and
# libraries bundled with this app.
set -e
base="$(dirname "$0")"
if [ ! -d "$base" ]; then
echo "** cannot find base directory (I seem to be $0)" >&2
exit 1
fi
if [ ! -e "$base/bin/git-annex" ]; then
echo "** base directory $base does not contain bin/git-annex" >&2
exit 1
fi
if [ ! -e "$base/bin/git" ]; then
echo "** base directory $base does not contain bin/git" >&2
exit 1
fi
# Get absolute path to base, to avoid breakage when things change directories.
orig="$(pwd)"
cd "$base"
base="$(pwd)"
cd "$orig"
# Install shim that's used to run git-annex-shell from ssh authorized_keys.
# The assistant also does this when run, but the user may not be using the
# assistant.
if [ ! -e "$HOME/.ssh/git-annex-shell" ]; then
mkdir "$HOME/.ssh" >/dev/null 2>&1 || true
(
echo "#!/bin/sh"
echo "set -e"
echo "exec $base/runshell git-annex-shell -c \"\$SSH_ORIGINAL_COMMAND\""
) > "$HOME/.ssh/git-annex-shell"
chmod +x "$HOME/.ssh/git-annex-shell"
fi
# Put our binaries first, to avoid issues with out of date or incompatable
# system binaries.
ORIG_PATH="$PATH"
export ORIG_PATH
PATH=$base/bin:$PATH
export PATH
# This is used by the shim wrapper around each binary.
for lib in $(cat $base/libdirs); do
GIT_ANNEX_LD_LIBRARY_PATH="$base/$lib:$GIT_ANNEX_LD_LIBRARY_PATH"
done
export GIT_ANNEX_LD_LIBRARY_PATH
GIT_ANNEX_LINKER="$base/$(cat $base/linker)"
export GIT_ANNEX_LINKER
GIT_ANNEX_SHIMMED="$base/shimmed"
export GIT_ANNEX_SHIMMED
ORIG_GCONV_PATH="$GCONV_PATH"
export ORIG_GCONV_PATH
GCONV_PATH=$base/$(cat $base/gconvdir)
export GCONV_PATH
ORIG_GIT_EXEC_PATH="$GIT_EXEC_PATH"
export ORIG_GIT_EXEC_PATH
GIT_EXEC_PATH=$base/git-core
export GIT_EXEC_PATH
ORIG_GIT_TEMPLATE_DIR="$GIT_TEMPLATE_DIR"
export ORIG_GIT_TEMPLATE_DIR
GIT_TEMPLATE_DIR="$base/templates"
export GIT_TEMPLATE_DIR
ORIG_MANPATH="$MANPATH"
export ORIG_MANPATH
MANPATH="$base/usr/share/man:$MANPATH"
export MANPATH
# Indicate which variables were exported above and should be cleaned
# when running non-bundled programs.
GIT_ANNEX_STANDLONE_ENV="PATH GCONV_PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR MANPATH"
export GIT_ANNEX_STANDLONE_ENV
if [ "$1" ]; then
cmd="$1"
shift 1
exec "$cmd" "$@"
else
sh
fi
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