86 lines
2.2 KiB
Bash
86 lines
2.2 KiB
Bash
# Scan srcpkgs/*/template for hashes and distfiles to determine
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# obsolete sources/by_sha256 files and their corresponding
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# sources/<pkgname>-<version> files that can be purged
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purge_distfiles() {
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readonly HASHLEN=64
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if [ -z "$XBPS_SRCDISTDIR" ]; then
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msg_error "The variable \$XBPS_SRCDISTDIR is not set."
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exit 1
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fi
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#
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# Scan all templates for their current distfiles and checksums (hashes)
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#
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declare -A my_hashes
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templates=($(find srcpkgs -mindepth 1 -maxdepth 1 -type d -printf "srcpkgs/%f/template\n"))
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max=${#templates[@]}
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cur=0
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if [ -z "$max" ]; then
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msg_error "No srcpkgs/*/template files found. Wrong working directory?"
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exit 1
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fi
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percent=-1
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for template in ${templates[@]}; do
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pkg=${template#*/}
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pkg=${pkg%/*}
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if [ ! -L "srcpkgs/$pkg" ]; then
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checksum="$(grep -Ehrow [0-9a-f]{$HASHLEN} ${template}|sort|uniq|tr '\n' ' ')"
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read -a _my_hashes <<< ${checksum}
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i=0
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while [ -n "${_my_hashes[$i]}" ]; do
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hash="${_my_hashes[$i]}"
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[ -z "${my_hashes[$hash]}" ] && my_hashes[$hash]=$template
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i=$((i + 1))
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done
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fi
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cur=$((cur + 1))
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pnew=$((100 * cur / max))
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if [ $pnew -ne $percent ]; then
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percent=$pnew
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printf "\rScanning templates : %3d%% (%d/%d)" $percent $cur $max
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fi
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done
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echo
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echo "Number of hashes : ${#my_hashes[@]}"
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#
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# Collect inodes of all distfiles in $XBPS_SRCDISTDIR
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#
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declare -A inodes
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distfiles=($XBPS_SRCDISTDIR/*/*)
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max=${#distfiles[@]}
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if [ -z "$max" ]; then
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msg_error "No distfiles files found in '$XBPS_SRCDISTDIR'"
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exit 1
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fi
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cur=0
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percent=-1
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for distfile in ${distfiles[@]}; do
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inode=$(stat "$distfile" --printf "%i")
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if [ -z "${inodes[$inode]}" ]; then
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inodes[$inode]="$distfile"
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else
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inodes[$inode]+="|$distfile"
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fi
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cur=$((cur + 1))
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pnew=$((100 * cur / max))
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if [ $pnew -ne $percent ]; then
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percent=$pnew
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printf "\rCollecting inodes : %3d%% (%d/%d)" $percent $cur $max
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fi
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done
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echo
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hashes=($XBPS_SRCDISTDIR/by_sha256/*)
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for file in ${hashes[@]}; do
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hash_distfile=${file##*/}
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hash=${hash_distfile:0:$HASHLEN}
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[ -n "${my_hashes[$hash]}" ] && continue
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inode=$(stat "$file" --printf "%i")
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echo "Obsolete $hash (inode: $inode)"
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( IFS="|"; for f in ${inodes[$inode]}; do rm -vf "$f"; rmdir "${f%/*}" 2>/dev/null; done )
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done
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echo "Done."
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}
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