110 lines
3.0 KiB
Bash
110 lines
3.0 KiB
Bash
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#!/bin/bash
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# Updates particles using profiles/updates.
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# Arguments: file name(s) to profiles/updates/*.
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# example: this-script /usr/portage/profiles/updates/*-2012
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# Assumes that packages with category foo-bar are in foo-bar.particle
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# under $particles_dir.
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# (C) 2012 Sławomir Nizio <slawomir.nizio#sabayon.org>
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# this scripty is placed in public domain
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# path to the glourious script or name if in PATH
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modify_script=${modify_script:-modify.pl}
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# for example: particles.git/weekly
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# default value is useful when it's run from particles.git directory
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particles_dir=${particles_dir:-weekly}
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# don't edit this
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available_after_move=()
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if [[ $# -eq 0 ]]; then
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echo "$0 FILE [FILE...]" >&2
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echo "FILE = 4Q-2012, for example" >&2
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exit 1
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fi
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start() {
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if ! "$modify_script" --help > /dev/null; then
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echo "Looks that I can't execute $modify_script." >&2
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echo "Check if you have that script and adjust \$PATH" >&2
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echo "or \$modify_script if needed."
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exit 1
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fi
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if ! cd "$particles_dir"; then
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echo "cd $particles_dir = nope" >&2
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exit 1
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fi
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for file in "$@"; do
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readfileanddostuff "$file" || { echo "aborted"; exit 1; }
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done
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if [[ ${#available_after_move[@]} -gt 0 ]]; then
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# Here it can print invalid package names if a package was
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# renamed multiple times, or just removed since.
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echo
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echo "new candidates"
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echo "These are packages that weren't present in a particle before"
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echo "their rename, and a particle for their category exists."
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echo "Displaying them in case it's useful (whitespace separated)."
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echo "Check if they refer to packages that are really available!"
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echo "${available_after_move[@]}"
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else
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echo
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echo "No new candidates."
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fi
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}
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readfileanddostuff() {
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local file=$1
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local old new
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local oldcat newcat
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echo "** $file **"
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if [[ ! -r $file ]]; then
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echo "$file doesn't exist or can't be read, or is invalid type" >&2
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return 1
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fi
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while read op old new; do
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[[ $op = move ]] || continue
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echo "@@@ $old -> $new"
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oldcat=${old%/*}
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newcat=${new%/*}
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# echo "<$oldcat,$newcat>"
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if [[ ! -f $oldcat.particle ]]; then
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echo "no-file-old $oldcat.particle, skipping"
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continue
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fi
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# modify.pl currently returns success when no entry to be deleted
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# so we use this to know if new (replaced) entry should be added
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# or not
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if egrep -q "^\s*$old(,|$)" "$oldcat.particle"; then
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# removed even if new name won't be added
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"$modify_script" --noask --delete "$oldcat.particle" "$old"
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was_present=1
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else
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was_present=0
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fi
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if [[ ! -f $newcat.particle ]]; then
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echo "no-file-new $newcat.particle, skipping the rest"
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continue
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fi
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if [[ $was_present = 1 ]]; then
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"$modify_script" --noask "$newcat.particle" "$new"
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else
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# if it wasn't there before (and it's not now) and a particle
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# for this category exists (checked above), inform about it
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# maybe someone would want to add it
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if ! egrep -q "^\s*$new(,|$)" "$newcat.particle"; then
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available_after_move+=( "$new" )
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fi
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fi
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done < "$file"
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}
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start "$@"
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