111 lines
3.5 KiB
Bash
Executable File
111 lines
3.5 KiB
Bash
Executable File
#!/bin/sh
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# This file is part of TALER
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# (C) 2019 GNUnet e.V.
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#
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# This is very simple POSIX sh script which
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# identifies the first matching
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# python3 identifier in $PATH and produces
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# configure.py from configure.py.in, and then
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# calls the new executable configure.py.
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#
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# It should be portable on Unices. Report bugs on
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# the bugtracker if you discover that it isn't
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# working as intended.
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#
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# Authors:
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# Author: ng0 <ng0@taler.net>
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE
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# LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
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# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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# THIS SOFTWARE.
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#
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# SPDX-License-Identifier: 0BSD
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# there is a function used in curl to replicate which(1), but
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# it uses too many other tools. this one uses command and in
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# gnunet so far has no reports about failures.
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existence()
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{
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command -v "$1" >/dev/null 2>&1
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}
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# We have to check every possible variant of the
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# executable name because there is a PEP which
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# defines the executable to be like this.
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if existence python3; then
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python="python3"
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elif existence python3.1; then
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python="python3.1"
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elif existence python3.2; then
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python="python3.2"
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elif existence python3.3; then
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python="python3.3"
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elif existence python3.4; then
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python="python3.4"
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elif existence python3.5; then
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python="python3.5"
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elif existence python3.6; then
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python="python3.6"
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elif existence python3.7; then
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python="python3.7"
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elif existence python3.8; then
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python="python3.8"
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else
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echo "*** No known python3 executable found in path ***"
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echo "*** falling back to env(1) python ***"
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# Unreliable, but if env finds no python, we still can
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# not assume python in a fixed location.
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# TODO: Check this in a clean chroot!
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python="env python"
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fi
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# we could check the return value here via || echo "blafoo"
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# or fail anyway once configure.py is invoked because we
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# don't have python if we reach the point to fail.
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PYTHON=$($python -c 'import sys; print(sys.executable)')
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#echo $PYTHON
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if ! existence node; then
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echo 'Error: node executable not found.'
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echo 'If you are using Linux, Ubuntu or Debian, try installing the'
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echo 'node-legacy package or symlink node to nodejs.'
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else
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node_version=$(node --version)
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#echo "Using node ${node_version}"
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if ! node -p 'process.exit(!(/v([0-9]+)/.exec(process.version)[1] >= 4))'; then
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echo 'Your node version is too old, use Node 4.x or newer'
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fi
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fi
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if ! existence yarn; then
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echo 'ERROR: yarn missing. See https://yarnpkg.com/en/docs/install'
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fi
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# for the weird systems and sandboxes, only as a anotice.
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# make will fail anyway.
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if ! existence find; then
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echo "INFO: find(1) is missing"
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fi
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if ! existence xargs; then
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echo "INFO: xargs(1) is missing"
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fi
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if ! existence msgmerge; then
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echo "INFO: msgmerge(1) is missing"
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fi
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# Call configure.py, assuming all went well.
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# $1 is read by configure.py as the prefix.
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# If $1 is empty, the python script checks the
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# environment for PREFIX. We might need more
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# variables and switches, such as DESTDIR.
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$PYTHON ./configure.py $@
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