mirror of
https://github.com/ilyakooo0/nix-bundle.git
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102 lines
2.4 KiB
Bash
Executable File
102 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# nix-run.sh provides an easy way to run executables from Nix derivations
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# without installing them. It will try to determine how to run the application
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# based on what files are installable. Currently, macOS apps, Freedesktop apps,
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# and ordinary binaries are handled.
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# Usage
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if [ -z "$1" ]; then
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>&2 echo "Need more than one argument."
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>&2 echo
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>&2 echo "Try:"
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>&2 echo "$ nix-run hello"
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>&2 echo
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>&2 echo "To run the hello program"
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>&2 echo "or substitute hello with another package in Nixpkgs"
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exit 1
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fi
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pkg=$1
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shift
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# A second argument will provide a hint to run
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if ! [ -z "$1" ]; then
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name="$1"
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shift
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else
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name="$pkg"
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fi
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expr="with import <nixpkgs> {}; let x = ($pkg); in x"
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path=$(nix-instantiate --no-gc-warning -E "$expr")
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out=$(nix-store --no-gc-warning -r $path)
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if [ -z "$out" ]; then
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>&2 echo "Could not evaluate $pkg to a Nix drv."
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exit 1
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fi
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# Run DIR as a Darwin application
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run_darwin_app () {
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dir="$1"
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shift
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open -a "$dir" --args $@
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}
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# Run FILE as a Freedesktop application
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# taken from:
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# https://askubuntu.com/questions/5172/running-a-desktop-file-in-the-terminal/5174
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run_linux_desktop_app () {
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file="$1"
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shift
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cmd=$(grep '^Exec' $file | tail -1 | \
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sed 's/Exec=//;s/^"//;s/" *$//')
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if ! [ -z "$@" ]; then
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cmd=$(echo "$cmd" | sed "s/%[fu]/$1/;s/%[FU]/$@/")
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fi
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cmd=$(echo "$cmd" | sed "s/%k/$desktop/;s/%.//")
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"$cmd" "$@"
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}
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# Run FILE as an ordinary binary
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run_bin () {
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file="$1"
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shift
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$file $@
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}
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if [ -x "$out/nix-support/run" ]; then
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run_bin "$out/nix-support/run" $@
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elif [ -x "$out/bin/run" ]; then
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run_bin "$out/bin/run" $@
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elif [ "$(uname)" = Darwin ] && [ -d "$out/Applications/$name.app" ]; then
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run_darwin_app "$out/Applications/$name.app" $@
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elif [ "$(uname)" = Darwin ] && [ -d $out/Applications/*.app ]; then
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for f in $out/Applications/*.app; do
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run_darwin_app "$f" $@
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done
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elif [ -f "$out/share/applications/$name.desktop" ]; then
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run_linux_desktop_app "$out/share/applications/$name.desktop" $@
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elif [ -d $out/share/applications ]; then
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for f in $out/share/applications/*.desktop; do
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run_linux_desktop_app "$f"
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done
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elif [ -x "$out/bin/$name" ]; then
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run_bin "$out/bin/$name" $@
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elif [ -d "$out/bin" ]; then
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for bin in $out/bin/*; do
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run_bin "$bin" $@
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done
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else
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>&2 echo "Cannot find a way to run path $out."
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exit 1
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fi
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