50 lines
1.5 KiB
Bash
Executable file
50 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p curl git gnugrep nix
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set -euo pipefail
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nixfile='default.nix'
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release_url='https://download.savannah.nongnu.org/releases/oath-toolkit/'
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attr='oathToolkit'
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command='oathtool --version'
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color() {
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printf '%s: \033[%sm%s\033[39m\n' "$0" "$1" "$2" >&2 || true
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}
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color 32 "downloading $release_url..."
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if ! release_page=$(curl -Lf "$release_url"); then
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color 31 "cannot download release page"
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exit 1
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fi
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tarball_name=$(printf '%s\n' "$release_page" \
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| grep -Po '(?<=href=").*?\.tar\.gz(?=")' \
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| sort -n | tail -n1)
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tarball_version="${tarball_name%.tar.*}"
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tarball_version="${tarball_version##*-}"
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tarball_url="mirror://savannah${release_url#https://*/releases}$tarball_name"
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color 32 "nix-prefetch-url $tarball_url..."
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if ! tarball_sha256=$(nix-prefetch-url --type sha256 "$tarball_url"); then
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color 31 "cannot prefetch $tarball_url"
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exit 1
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fi
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old_version=$(grep -Pom1 '(?<=version = ").*?(?=";)' "$nixfile")
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version=$(printf 'version = "%s";\n' "$tarball_version")
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sha256=$(printf 'sha256 = "%s";\n' "$tarball_sha256")
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sed -e "s,version = .*,$version," -e "s,sha256 = .*,$sha256," -i "$nixfile"
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if git diff --exit-code "$nixfile" > /dev/stderr; then
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printf '\n' >&2 || true
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color 32 "$tarball_version is up to date"
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else
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color 32 "running '$command' with nix-shell..."
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nix-shell -p "callPackage ./$nixfile {}" --run "$command"
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msg="$attr: $old_version -> $tarball_version"
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printf '\n' >&2 || true
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color 31 "$msg"
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git commit -m "$msg" "$nixfile"
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fi
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