mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-21 05:00:16 +00:00
321 lines
7.3 KiB
Bash
Executable file
321 lines
7.3 KiB
Bash
Executable file
#! /bin/sh
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own_dir="$(cd "$(dirname "$0")"; pwd)"
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URL_WAS_SET=
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DL_URL_RE=
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CURRENT_URL=
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CURRENT_REV=
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PREFETCH_COMMAND=
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NEED_TO_CHOOSE_URL=1
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url () {
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URL_WAS_SET=1
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CURRENT_URL="$1"
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}
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dl_url_re () {
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DL_URL_RE="$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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s/[-]/ - /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/ - /-/g;
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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 ' ' -n $(for i in $(seq 30); do echo " -k${i}n" ; done) | 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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unset NEED_TO_CHOOSE_URL
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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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unset NEED_TO_CHOOSE_URL
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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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ensure_version () {
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echo "Ensuring version. CURRENT_VERSION: $CURRENT_VERSION" >&2
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[ -z "$CURRENT_VERSION" ] && version '.*-([0-9.]+)[-._].*' '\1'
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}
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ensure_target () {
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echo "Ensuring target. CURRENT_TARGET: $CURRENT_TARGET" >&2
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[ -z "$CURRENT_TARGET" ] && target "$(basename "$CONFIG_NAME" .upstream).nix"
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}
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ensure_name () {
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echo "Ensuring name. CURRENT_NAME: $CURRENT_NAME" >&2
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[ -z "$CURRENT_NAME" ] && name "$(basename "$CONFIG_DIR")"
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echo "Resulting name: $CURRENT_NAME"
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}
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ensure_attribute_name () {
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echo "Ensuring attribute name. CURRENT_ATTRIBUTE_NAME: $CURRENT_ATTRIBUTE_NAME" >&2
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ensure_name
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[ -z "$CURRENT_ATTRIBUTE_NAME" ] && attribute_name "$CURRENT_NAME"
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echo "Resulting attribute name: $CURRENT_ATTRIBUTE_NAME"
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}
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ensure_url () {
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echo "Ensuring starting URL. CURRENT_URL: $CURRENT_URL" >&2
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ensure_attribute_name
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[ -z "$CURRENT_URL" ] && CURRENT_URL="$(retrieve_meta downloadPage)"
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[ -z "$CURRENT_URL" ] && CURRENT_URL="$(retrieve_meta downloadpage)"
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[ -z "$CURRENT_URL" ] && CURRENT_URL="$(retrieve_meta homepage)"
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echo "Resulting URL: $CURRENT_URL"
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}
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ensure_choice () {
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echo "Ensuring that choice is made." >&2
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echo "NEED_TO_CHOOSE_URL: [$NEED_TO_CHOOSE_URL]." >&2
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echo "CURRENT_URL: $CURRENT_URL" >&2
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[ -z "$URL_WAS_SET" ] && [ -z "$CURRENT_URL" ] && ensure_url
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[ -n "$NEED_TO_CHOOSE_URL" ] && {
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version_link "${DL_URL_RE:-[.]tar[.]([^./])+\$}"
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unset NEED_TO_CHOOSE_URL
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}
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[ -z "$CURRENT_URL" ] && {
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echo "Error: empty CURRENT_URL"
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echo "Error: empty CURRENT_URL" >&2
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exit 1
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}
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}
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revision () {
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CURRENT_REV="$1"
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echo "CURRENT_REV: $CURRENT_REV"
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}
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prefetch_command () {
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PREFETCH_COMMAND="$1"
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}
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prefetch_command_rel () {
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PREFETCH_COMMAND="$(dirname "$0")/$1"
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}
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ensure_hash () {
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echo "Ensuring hash. CURRENT_HASH: $CURRENT_HASH" >&2
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[ -z "$CURRENT_HASH" ] && hash
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}
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hash () {
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CURRENT_HASH="$(${PREFETCH_COMMAND:-nix-prefetch-url} "$CURRENT_URL" $CURRENT_REV)"
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echo "CURRENT_HASH: $CURRENT_HASH" >&2
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}
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name () {
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CURRENT_NAME="$1"
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echo "CURRENT_NAME: $CURRENT_NAME" >&2
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}
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attribute_name () {
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CURRENT_ATTRIBUTE_NAME="$1"
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echo "CURRENT_ATTRIBUTE_NAME: $CURRENT_ATTRIBUTE_NAME" >&2
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}
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retrieve_meta () {
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nix-instantiate --eval-only '<nixpkgs>' -A "$CURRENT_ATTRIBUTE_NAME".meta."$1" | xargs
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}
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retrieve_version () {
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PACKAGED_VERSION="$(retrieve_meta version)"
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}
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ensure_dl_url_re () {
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echo "Ensuring DL_URL_RE. DL_URL_RE: $DL_URL_RE" >&2
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[ -z "$DL_URL_RE" ] && dl_url_re "$(retrieve_meta downloadURLRegexp)"
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echo "DL_URL_RE: $DL_URL_RE" >&2
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}
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directory_of () {
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cd "$(dirname "$1")"; pwd
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}
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full_path () {
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echo "$(directory_of "$1")/$(basename "$1")"
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}
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target () {
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CURRENT_TARGET="$1"
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{ [ "$CURRENT_TARGET" = "${CURRENT_TARGET#/}" ] && CURRENT_TARGET="$CONFIG_DIR/$CURRENT_TARGET"; }
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echo "Target set to: $CURRENT_TARGET"
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}
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marker () {
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BEGIN_EXPRESSION="$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" != "$PACKAGED_VERSION" ]
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}
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do_write_expression () {
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echo "${1}rec {"
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echo "${1} baseName=\"$CURRENT_NAME\";"
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echo "${1} version=\"$CURRENT_VERSION\";"
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echo "${1} name=\"\${baseName}-\${version}\";"
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echo "${1} hash=\"$CURRENT_HASH\";"
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echo "${1} url=\"$CURRENT_URL\";"
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[ -n "$CURRENT_REV" ] && echo "${1} rev=\"$CURRENT_REV\";"
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echo "${1} sha256=\"$CURRENT_HASH\";"
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echo "$2"
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}
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line_position () {
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file="$1"
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regexp="$2"
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count="${3:-1}"
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grep -E "$regexp" -m "$count" -B 999999 "$file" | wc -l
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}
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replace_once () {
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file="$1"
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regexp="$2"
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replacement="$3"
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instance="${4:-1}"
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echo "Replacing once:"
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echo "file: [[$file]]"
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echo "regexp: [[$regexp]]"
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echo "replacement: [[$replacement]]"
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echo "instance: [[$instance]]"
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position="$(line_position "$file" "$regexp" "$instance")"
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sed -re "${position}s $regexp $replacement " -i "$file"
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}
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set_var_value () {
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var="${1}"
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value="${2}"
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instance="${3:-1}"
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file="${4:-$CURRENT_TARGET}"
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no_quotes="${5:-0}"
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quote='"'
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let "$no_quotes" && quote=""
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replace_once "$file" "${var} *= *.*" "${var} = ${quote}${value}${quote};" "$instance"
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}
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do_regenerate () {
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BEFORE="$(cat "$1" | grep -F "$BEGIN_EXPRESSION" -B 999999;)"
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AFTER_EXPANDED="$(cat "$1" | grep -F "$BEGIN_EXPRESSION" -A 999999 | grep -E '^ *[}] *; *$' -A 999999;)"
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AFTER="$(echo "$AFTER_EXPANDED" | tail -n +2)"
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CLOSE_BRACE="$(echo "$AFTER_EXPANDED" | head -n 1)"
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SPACING="$(echo "$CLOSE_BRACE" | sed -re 's/[^ ].*//')"
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echo "$BEFORE"
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do_write_expression "$SPACING" "$CLOSE_BRACE"
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echo "$AFTER"
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}
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do_overwrite () {
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ensure_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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do_overwrite_just_version () {
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ensure_hash
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set_var_value version $CURRENT_VERSION
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set_var_value sha256 $CURRENT_HASH
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}
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minimize_overwrite() {
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do_overwrite(){
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do_overwrite_just_version
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}
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}
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process_config () {
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CONFIG_DIR="$(directory_of "$1")"
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CONFIG_NAME="$(basename "$1")"
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BEGIN_EXPRESSION='# Generated upstream information';
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if [ -f "$CONFIG_DIR/$CONFIG_NAME" ] &&
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[ "${CONFIG_NAME}" = "${CONFIG_NAME%.nix}" ]; then
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source "$CONFIG_DIR/$CONFIG_NAME"
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else
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CONFIG_NAME="${CONFIG_NAME%.nix}"
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ensure_attribute_name
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[ -n "$(retrieve_meta updateWalker)" ] ||
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[ -n "$FORCE_UPDATE_WALKER" ] || {
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echo "Error: package not marked as safe for update-walker" >&2
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echo "Set FORCE_UPDATE_WALKER=1 to override" >&2
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exit 1;
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}
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[ -z "$(retrieve_meta fullRegenerate)" ] && eval "
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minimize_overwrite
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"
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fi
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ensure_attribute_name
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retrieve_version
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ensure_dl_url_re
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ensure_choice
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ensure_version
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ensure_target
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update_found && do_overwrite "$CURRENT_TARGET"
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}
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source "$own_dir/update-walker-service-specific.sh"
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process_config "$1"
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