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74 lines
2.4 KiB
Bash
74 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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# args: https://github.com/pgjdbc/pgjdbc/releases/download/REL{version}/postgresql-{version}.jar latest
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#
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# Author: Hari Sekhon
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# Date: 2024-08-28 23:01:46 +0200 (Wed, 28 Aug 2024)
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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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. "$srcdir/../lib/github.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Quickly determines and downloads the given or latest version of a GitHub release file
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If the file url template contains {version} placeholders but no explicit version then the placeholds will be replaced with the latest version which will be automatically determined from GitHub releases
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If the file URL does not contain {version} placeholders then downloads the URL as given
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Version defaults to 'latest' in which case it determines the latest version from GitHub releases
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Designed to be called from download_github_jar.sh and similar adjacent scripts to deduplicate code
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<url> [<version>]"
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help_usage "$@"
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min_args 1 "$@"
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max_args 2 "$@"
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url="$1"
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version="${2:-latest}"
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url="${url## }"
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url="${url%% }"
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shopt -s nocasematch
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# defined in lib/github.sh
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# shellcheck disable=SC2154
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if ! [[ "$url" =~ ^$github_release_url_regex ]]; then
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die "ERROR: Invalid URL given, not a GitHub release URL: $url"
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fi
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shopt -u nocasematch
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if [[ "$url" =~ {version} ]]; then
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github_owner_repo="$(sed 's|^https://github.com/||i; s|/releases/.*$||i' <<< "$url")"
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if [ "$version" = latest ]; then
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timestamp "Determining latest release of $github_owner_repo available"
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version="$(github_repo_latest_release.sh "$github_owner_repo")"
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# bash built-in variable substitution cannot replace all alpha prefix chars - tested this already
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# shellcheck disable=SC2001
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version="$(sed 's/^[[:alpha:]]*//' <<< "$version")"
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timestamp "Determined latest version of $github_owner_repo to be version '$version'"
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fi
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url="${url//\{version\}/$version}"
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fi
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"$srcdir/../bin/download_url_file.sh" "$url"
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