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darwin-install: fix break from bad vimrc

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It looks like the `--noplugin` flag added in #5489 wasn't enough to
skirt this class of vim-init error, so this is swing 2 at a full fix.
Fixes #6462.
This commit is contained in:
Travis A. Everett 2022-05-04 16:55:59 -05:00
parent 470e27ce80
commit 240124f7b1
1 changed files with 12 additions and 6 deletions
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18
scripts/create-darwin-volume.sh
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@ -442,9 +442,13 @@ add_nix_vol_fstab_line() {
local escaped_mountpoint="${NIX_ROOT/ /'\\\'040}"
shift
# wrap `ex` to work around a problem with vim plugins breaking exit codes;
# (see https://github.com/NixOS/nix/issues/5468)
# we'd prefer EDITOR="/usr/bin/ex --noplugin" but vifs doesn't word-split
# wrap `ex` to work around a problem with vim plugins breaking exit codes
# (see github.com/NixOS/nix/issues/5468)
#
# the first draft used `--noplugin`, but github.com/NixOS/nix/issues/6462
# suggests we need the less-semantic `-u NONE`
#
# we'd prefer EDITOR="/usr/bin/ex -u NONE" but vifs doesn't word-split
# the EDITOR env.
#
# TODO: at some point we should switch to `--clean`, but it wasn't added
@ -452,7 +456,7 @@ add_nix_vol_fstab_line() {
# minver 10.12.6 seems to have released with vim 7.4
cat > "$SCRATCH/ex_cleanroom_wrapper" <<EOF
#!/bin/sh
/usr/bin/ex --noplugin "\$@"
/usr/bin/ex -u NONE "\$@"
EOF
chmod 755 "$SCRATCH/ex_cleanroom_wrapper"
@ -646,8 +650,9 @@ EOF
task "Configuring /etc/synthetic.conf to make a mount-point at $NIX_ROOT" >&2
# technically /etc/synthetic.d/nix is supported in Big Sur+
# but handling both takes even more code...
# Note: `-u NONE` disables vim plugins/rc; see note on --clean earlier
_sudo "to add Nix to /etc/synthetic.conf" \
/usr/bin/ex --noplugin /etc/synthetic.conf <<EOF
/usr/bin/ex -u NONE /etc/synthetic.conf <<EOF
:a
${NIX_ROOT:1}
.
@ -815,7 +820,8 @@ setup_volume_daemon() {
local volume_uuid="$2"
if ! test_voldaemon; then
task "Configuring LaunchDaemon to mount '$NIX_VOLUME_LABEL'" >&2
_sudo "to install the Nix volume mounter" /usr/bin/ex --noplugin "$NIX_VOLUME_MOUNTD_DEST" <<EOF
# Note: `-u NONE` disables vim plugins/rc; see note on --clean earlier
_sudo "to install the Nix volume mounter" /usr/bin/ex -u NONE "$NIX_VOLUME_MOUNTD_DEST" <<EOF
:a
$(generate_mount_daemon "$cmd_type" "$volume_uuid")
.