d2913e6cee
Some distributions such as Arch Linux no longer install `which` by default through the base package (see https://www.archlinux.org/news/base-group-replaced-by-mandatory-base-package-manual-intervention-required/). The maintainers have explained why `command -v` is superior: https://www.reddit.com/r/archlinux/comments/de1er6/arch_linux_news_base_group_replaced_by_mandatory/f2v8uhu/.
45 lines
1.3 KiB
Bash
Executable file
45 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env sh
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# This is a valid shell script and also a valid Python script. When this file
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# is executed as a shell script, it finds a python binary and executes this
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# file as a Python script, passing along all of the command line arguments.
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# When this file is executed as a Python script, it loads and runs Dotbot. This
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# is useful because we don't know the name of the python binary.
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''':' # begin python string; this line is interpreted by the shell as `:`
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command -v python >/dev/null 2>&1 && exec python "$0" "$@"
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command -v python3 >/dev/null 2>&1 && exec python3 "$0" "$@"
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command -v python2 >/dev/null 2>&1 && exec python2 "$0" "$@"
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>&2 echo "error: cannot find python"
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exit 1
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'''
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# python code
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import sys, os
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PROJECT_ROOT_DIRECTORY = os.path.dirname(
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os.path.dirname(os.path.realpath(__file__)))
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def inject(lib_path):
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path = os.path.join(PROJECT_ROOT_DIRECTORY, 'lib', lib_path)
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sys.path.insert(0, path)
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# version dependent libraries
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if sys.version_info[0] >= 3:
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inject('pyyaml/lib3')
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else:
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inject('pyyaml/lib')
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if os.path.exists(os.path.join(PROJECT_ROOT_DIRECTORY, 'dotbot')):
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if PROJECT_ROOT_DIRECTORY not in sys.path:
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sys.path.insert(0, PROJECT_ROOT_DIRECTORY)
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os.putenv('PYTHONPATH', PROJECT_ROOT_DIRECTORY)
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import dotbot
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def main():
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dotbot.cli.main()
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if __name__ == '__main__':
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main()
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