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path: root/etc/private/install/brep-startup
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#! /usr/bin/env bash

# file      : etc/private/install/brep-startup
# license   : MIT; see accompanying LICENSE file

# (Re-)initialize the brep private instance, normally on the machine startup.
#
# Specifically:
#
# - Create the pkg repository and symlink to it, unless already exists.
#
# - Migrate the brep databases as a sanity check.
#
# - Adjust the brep module configuration file using the current host name/IP.
#
# - Generate the loadtab using the current host name/IP and run the loader.
#
trap "{ exit 1; }" ERR
set -o errtrace # Trap in functions.

function info  () { echo "$*" 1>&2; }
function error () { info "error: $*"; exit 1; }

# Create the pkg repository, if required.
#
d=/var/brep/bpkg

if [ ! -L "$d/pkg" ]; then
  rd="$(date "+pkg-%Y%m%d-%H%M%S-%N")"

  mkdir -p "$d/$rd/1"
  ln -s "$rd" "$d/pkg"
fi

r="$d/pkg/1"

if [ ! -f "$r/repositories.manifest" ]; then
  echo ": 1" >"$r/repositories.manifest"
fi

if [ ! -f "$r/packages.manifest" ]; then
  bpkg rep-create -q "$r"
fi

# Migrate the databases.
#
"$HOME/install/bin/brep-migrate" package
"$HOME/install/bin/brep-migrate" build
"$HOME/install/bin/brep-migrate" -n brep_submit_package package

# Deduce the machine host name.
#
h="$(hostname -f)"
if [ "$h" == "localhost" ]; then
  h="$(hostname -I | sed 's/ *$//')" # Strip the potential trailing space(s).
fi

if [ -z "$h" ]; then
  error "unable to obtain host name or IP address"
fi

# Adjust the submission result URL host name in the brep module configuration
# file.
#
sed --in-place -re \
"\$!N;s%^\s*(submit-handler-argument\s+--result-url\s*\\n)\
\s*(submit-handler-argument\s+https?://)[^/]*(.*)\$%\1\2$h\3%;P;D" \
"$HOME/config/brep-module.conf"

# (Re-)generate the loadtab file and reload the repository.
#
f="$HOME/config/loadtab"

echo "http://$h/1 private cache:$r" >"$f"
"$HOME/install/bin/brep-load" "$f"