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#!/bin/sh -e
# Check which package owns a file
## SYNOPSIS:
## .Nm
## .Op Ar file
## DESCRIPTION:
## .Nm
## searches package manifests to determine which package owns
## .Ar file .
## If the
## .Ar file
## is not a realpath,
## .Nm
## will first check if the file exists as a relative path, and then it will
## check if it exists as an executable
## in
## .Ev PATH .
##
## .Nm
## does not check directories, as they can be used by multiple packages at the
## same time.
# Source the package manager library.
# shellcheck disable=1091
. cpt-lib
case "$1" in ''|--help|-h) out "usage: ${0##*/} [file]"; exit 0; esac
# If full path is not specified, use either the current directory, or look for a
# command.
case "$1" in
/*) ;;
*)
if [ -f "$1" ]; then
set -- "$PWD/$1"
else
set -- "$(command -v "$1")"
fi
esac
# Strip 'CPT_ROOT' from the file path if passed and follow symlinks.
file="${1#$CPT_ROOT}"
dirname=$(_readlinkf "$CPT_ROOT/${file%/*}")
file="$dirname/${file##*/}"
# Check if the file exists and exit if it is not.
[ -f "$file" ] || {
[ -d "$file" ] && die "please specify a file instead of a directory"
die "file '$1' doesn't exist."
}
pkg_owner -lFx "$file" || die "Cannot determine which package owns '$file'"
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