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b6bac6c144
This reverts commit10addad603, reversing changes made to7786575c6c. NixOS scripts should be kept in the NixOS source tree, not in pkgs. Moving them around is just confusing and creates unnecessary code/history churn.
62 lines
1.5 KiB
Bash
62 lines
1.5 KiB
Bash
#! @shell@
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set -e
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# Re-exec ourselves in a private mount namespace so that our bind
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# mounts get cleaned up automatically.
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if [ -z "$NIXOS_ENTER_REEXEC" ]; then
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export NIXOS_ENTER_REEXEC=1
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if [ "$(id -u)" != 0 ]; then
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extraFlags="-r"
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fi
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exec unshare --fork --mount --uts --mount-proc --pid $extraFlags -- "$0" "$@"
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else
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mount --make-rprivate /
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fi
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mountPoint=/mnt
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system=/nix/var/nix/profiles/system
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command=($system/sw/bin/bash "--login")
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while [ "$#" -gt 0 ]; do
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i="$1"; shift 1
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case "$i" in
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--root)
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mountPoint="$1"; shift 1
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;;
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--system)
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system="$1"; shift 1
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;;
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--help)
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exec man nixos-enter
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exit 1
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;;
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--command|-c)
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command=($system/sw/bin/bash "-c" "$1")
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shift 1
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;;
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--)
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command=("$@")
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break
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;;
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*)
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echo "$0: unknown option \`$i'"
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exit 1
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;;
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esac
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done
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if [[ ! -e $mountPoint/etc/NIXOS ]]; then
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echo "$0: '$mountPoint' is not a NixOS installation" >&2
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exit 126
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fi
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mkdir -m 0755 -p "$mountPoint/dev" "$mountPoint/sys"
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mount --rbind /dev "$mountPoint/dev"
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mount --rbind /sys "$mountPoint/sys"
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# Run the activation script. Set $LOCALE_ARCHIVE to supress some Perl locale warnings.
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LOCALE_ARCHIVE=$system/sw/lib/locale/locale-archive chroot "$mountPoint" "$system/activate" >&2 || true
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exec chroot "$mountPoint" "${command[@]}"
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