installer: clarify starting assumption task

We had a macOS user present in Matrix with some confusion because the
lack of a clear task statement here made them think the error meant
that a problem had occurred during the preceding task in a macOS
install: "Fixing any leftover Nix volume state"
This commit is contained in:
Travis A. Everett 2021-11-08 17:03:09 -06:00
parent 7a71621b7c
commit 69431edbc1

View file

@ -377,6 +377,11 @@ cure_artifacts() {
}
validate_starting_assumptions() {
task "Checking for artifacts of previous installs"
cat <<EOF
Before I try to install, I'll check for signs Nix already is or has
been installed on this system.
EOF
if type nix-env 2> /dev/null >&2; then
warning <<EOF
Nix already appears to be installed. This installer may run into issues.
@ -386,6 +391,11 @@ $(uninstall_directions)
EOF
fi
# TODO: I think it would be good for this step to accumulate more
# knowledge of older obsolete artifacts, if there are any.
# We could issue a "reminder" here that the user might want
# to clean them up?
for profile_target in "${PROFILE_TARGETS[@]}"; do
if [ -e "$profile_target$PROFILE_BACKUP_SUFFIX" ]; then
failure <<EOF