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agessaman
2fea97b21d
This update ensures that console scripts in the virtual environment do not retain outdated shebangs pointing to temporary build paths. The `--update-venv` command now rewrites shebangs in place, allowing broken installs to recover without a full rebuild. Additionally, all pip invocations now use `python -m pip` to prevent issues with stale shebangs. This change addresses issue #229 and improves the overall reliability of the service installation process.
39 lines
1.2 KiB
Bash
Executable File
39 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Rewrite absolute shebangs in a virtualenv's bin/ scripts after the tree has
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# been relocated. `python -m venv` and pip bake the creation path into console
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# scripts; an atomic mv from .venv-build-$$ to venv/ leaves those shebangs
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# pointing at a path that no longer exists ("cannot execute: required file not
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# found"). Symlinked interpreters (python, python3, …) are left alone.
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#
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# Usage: rewrite_venv_shebangs.sh /path/to/venv
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set -euo pipefail
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venv="${1:?usage: $0 /path/to/venv}"
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new_python="$venv/bin/python"
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if [ ! -x "$new_python" ]; then
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echo "rewrite_venv_shebangs: no usable interpreter at $new_python" >&2
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exit 1
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fi
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shopt -s nullglob
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for script in "$venv/bin"/*; do
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[ -f "$script" ] || continue
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[ -L "$script" ] && continue
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first="$(head -n 1 "$script" 2>/dev/null || true)"
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case "$first" in
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"#!"*"python"*)
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if [ "$first" = "#!$new_python" ]; then
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continue
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fi
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{
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printf '#!%s\n' "$new_python"
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tail -n +2 "$script"
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} >"$script.tmp"
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mv "$script.tmp" "$script"
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chmod a+rx "$script"
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;;
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esac
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done
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