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#!/usr/bin/bash
program_name="$0"
program_path=$(readlink -f "${program_name%/*}")
# We add || true (which may not be needed without set -e) to be
# explicit about the fact that this script does not fail even if `opam
# install --show-actions` does, e.g., because of a non-existent
# package
#
# TODO: Figure out how to use the OPAM API
# (https://opam.ocaml.org/doc/api/) to call this from OCaml.
for i in "$@"; do
echo -n "$i:"; ((echo -n "$(opam install --show-actions "$i" | grep -o '∗\s*install\s*[^ ]*' | sed 's/∗\s*install\s*//g')" | tr '\n' ',') || true); echo
done | xargs ocaml "${program_path}/sort-by-deps"
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