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env
executable file
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env
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#!/usr/bin/env bash
# Sane defaults.
set -euo pipefail
# Find scripts directory.
script="$0"
if test -L "$script"; then
script="$(readlink -f "$0")"
fi
prefix="$(dirname "$script")"
script="$(basename "$script")"
# Print the manual.
help() {
cat <<-EOF >&2
About
Prepare CI environment.
Usage
$script -h
$script [-x] <tag>
Flags
-h Print this manual.
-x Enable debug mode.
EOF
}
# Parse and apply flags.
while getopts ":xh" option; do
case "$option" in
x)
set -x
;;
h)
help
exit
;;
?)
echo "$script: unknown flag '$OPTARG', try -h" >&2
exit
;;
esac
done
# Drop flags by shifting arguments.
shift $((OPTIND - 1))
# Test required arguments.
if test -z "$*"; then
echo "$script: missing required argument, see -h" >&2
exit
fi
# Unprefixed tag, e.g. Add-on/v42.
tag="${1#refs/tags/}"
# Add-on name, e.g. Add-on.
target="$("$prefix/parse-tag" "$tag")"
# Release title, e.g. Add-on v42.
release="$("$prefix/inspect" -r "$target")"
# Output environment.
cat <<-EOF
TAG=$tag
TARGET=$target
RELEASE=$release
EOF