128 lines
2.5 KiB
Bash
128 lines
2.5 KiB
Bash
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#! /bin/sh
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own_dir="$(cd "$(dirname "$0")"; pwd)"
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CURRENT_URL=
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url () {
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CURRENT_URL="$1"
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}
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version_unpack () {
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sed -re '
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s/[.]/ /g;
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s@/@ / @g
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s/-(rc|pre)/ -1 \1 /g;
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s/-(gamma)/ -2 \1 /g;
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s/-(beta)/ -3 \1 /g;
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s/-(alpha)/ -4 \1 /g;
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'
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}
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version_repack () {
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sed -re '
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s/ -[0-9]+ ([a-z]+) /-\1/g;
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s@ / @/@g
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s/ /./g;
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'
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}
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version_sort () {
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version_unpack |
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sort -t ' ' -k 1n -k 2n -k 3n -k 4n -k 5n -k 6n -k 7n -n | tac |
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version_repack
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}
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position_choice () {
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head -n "${1:-1}" | tail -n "${2:-1}"
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}
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matching_links () {
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"$own_dir"/urls-from-page.sh "$CURRENT_URL" | grep -E "$1"
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}
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link () {
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CURRENT_URL="$(matching_links "$1" | position_choice "$2" "$3")"
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echo "Linked by: $*"
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echo "URL: $CURRENT_URL" >&2
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}
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version_link () {
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CURRENT_URL="$(matching_links "$1" | version_sort | position_choice "$2" "$3")"
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echo "Linked version by: $*"
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echo "URL: $CURRENT_URL" >&2
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}
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redirect () {
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CURRENT_URL="$(curl -I -L --max-redirs "${1:-99}" "$CURRENT_URL" |
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grep -E '^Location: ' | position_choice "${2:-999999}" "$3" |
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sed -e 's/^Location: //; s/\r//')"
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echo "Redirected: $*"
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echo "URL: $CURRENT_URL" >&2
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}
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replace () {
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sed -re "s $1 $2 g"
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}
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process () {
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CURRENT_URL="$(echo "$CURRENT_URL" | replace "$1" "$2")"
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echo "Processed: $*"
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echo "URL: $CURRENT_URL" >&2
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}
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version () {
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CURRENT_VERSION="$(echo "$CURRENT_URL" | replace "$1" "$2")"
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echo "Version: $CURRENT_VERSION" >&2
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}
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hash () {
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CURRENT_HASH="$(nix-prefetch-url "$CURRENT_URL")"
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}
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name () {
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CURRENT_NAME="$1"
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}
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retrieve_version () {
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PACKAGED_VERSION="$(nix-instantiate --eval-only '<nixpkgs>' -A "$CURRENT_NAME".meta.version | xargs)"
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}
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target () {
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CURRENT_TARGET="$1"
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}
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update_found () {
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echo "Compare: $CURRENT_VERSION vs $PACKAGED_VERSION"
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[ "$CURRENT_VERSION" != "$PACKAGED_VERSION" ]
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}
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do_regenerate () {
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cat "$1" | grep -F '# Generated upstream information' -B 999999;
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echo " rec {"
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echo " baseName=\"$CURRENT_NAME\";"
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echo " version=\"$CURRENT_VERSION\";"
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echo ' name="${baseName}-${version}";'
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echo " hash=\"$CURRENT_HASH\";"
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echo " url=\"$CURRENT_URL\";"
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cat "$1" | grep -F '# Generated upstream information' -A 999999 | grep -E '^ *[}]; *$' -A 999999;
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}
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do_overwrite () {
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hash
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do_regenerate "$1" > "$1.new.tmp"
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mv "$1.new.tmp" "$1"
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}
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full_path () {
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echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"
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}
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process_config () {
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source "$(full_path "$1")"
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retrieve_version
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update_found && do_overwrite "$CURRENT_TARGET"
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}
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process_config "$1"
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