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63 lines
1.8 KiB
Bash
63 lines
1.8 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-08-24 00:42:27 +0100 (Mon, 24 Aug 2020)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/packages.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Checks a given list of Mac Homebrew packages and returns those already installed
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$package_args_description
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Support TAP=1 or CASK=1 environment variables for checking taps or casks respectively
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Tested on Mac Homebrew
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<packages>"
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help_usage "$@"
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# process_package_args requires much more specific env var to disambiguate
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HOMEBREW_PACKAGES_TAP="${TAP:-}"
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process_package_args "$@" |
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if [ -n "${HOMEBREW_PACKAGES_TAP:-}" ]; then
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if [ -n "${NO_FAIL:-}" ]; then
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set +e
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fi
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installed_packages="$(brew list)"
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while read -r tap package; do
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set +e # grep causes pipefail exit code breakages in calling code when it doesn't match
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grep -Fxq "$package" <<< "$installed_packages" &&
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echo "$tap $package"
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done
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else
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# do not quote cask, blank quotes break shells and there will never be any token splitting anyway
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# shellcheck disable=SC2046
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tr ' ' '\n' |
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grep -Fx -f <(brew $([ -z "${CASK:-}" ] || echo cask) list) || : # grep causes pipefail exit code breakages in calling when it doesn't match
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fi
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