1b1f26636e
The nix-instantiate invocations only work correctly if this script is run from the root directory of nixpkgs, or in a directory without a default.nix file and NIX_PATH set appropriately.
51 lines
1.1 KiB
Bash
Executable file
51 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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#
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# Fetch the latest io.js release (stable/nightly) and update
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# `default.nix` in this directory.
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#
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set -e
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HERE="$(dirname "$0")"
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latest() {
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curl -s "$1" | grep 'href="v' \
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| tail -1 | sed 's/.*href="v//;s/\/".*//'
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}
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latest_log() {
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echo "Getting latest $1 version from $2" >&2
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version=$(latest "$2")
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echo " -> $version" >&2
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echo "$version"
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}
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url() {
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nix-instantiate -A "$1" 2> /dev/null | xargs cat \
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| sed 's/.*"urls","//;s/".*//'
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}
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hash() {
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nix-prefetch-url "$1" 2> /dev/null
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}
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hash_log() {
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echo "Finding hash for $1" >&2
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value=$(hash "$1")
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echo " -> $value" >&2
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echo "$value"
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}
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stable=$(latest_log stable 'https://iojs.org/dist/')
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nightly=$(latest_log nightly 'https://iojs.org/download/nightly/')
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sed -i \
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"/version = if nightly/s/then.*/then \"$nightly\" else \"$stable\";/" \
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"$HERE/default.nix"
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stableHash=$(hash_log "$(url iojs.src)")
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nightlyHash=$(hash_log "$(url iojs-nightly.src)")
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sed -i \
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"/sha256 = if nightly/{N;s/\"[^\"]*\"/\"$nightlyHash\"/;N;s/\"[^\"]*\";/\"$stableHash\";/}" \
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"$HERE/default.nix"
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