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#! /usr/bin/env bash
function invalidate() {
appfsd -sqlite3 'UPDATE sites SET ttl = "0";'
}
function remove_site() {
local site
site="$1"
appfsd -sqlite3 'DELETE FROM sites WHERE hostname = '"'$site'"'; DELETE FROM packages WHERE hostname = '"'$site'"';' || return 1
clean
}
function clean() {
appfsd -tcl "$(cat <<\_EOF_
unset -nocomplain row
::appfs::db eval {SELECT sha1, hostname FROM packages;} row {
set hostname [::appfs::db onecolumn {SELECT hostname FROM sites WHERE hostname = $row(hostname) LIMIT 1;}]
if {$hostname == ""} {
continue
}
set valid_sha1($row(sha1)) 1
::appfs::db eval {SELECT file_sha1 FROM files WHERE file_sha1 IS NOT NULL AND file_sha1 != '' AND package_sha1 = $row(sha1);} subrow {
set valid_sha1($subrow(file_sha1)) 1
}
}
foreach file [glob -nocomplain -tails -directory $::appfs::cachedir {[0-9a-f][0-9a-f]/*/*/*/*}] {
set sha1 [string map [list "/" "" "\\" ""] $file]
set file [file join $::appfs::cachedir $file]
if {[info exists valid_sha1($sha1)]} {
continue
}
puts "Cleaning $file"
file delete -force -- $file
}
_EOF_
)"
}
function clear() {
local package
package="$1"
if [ -n "${package}" ]; then
echo "not implemented" >&2
return 1
fi
appfsd -tcl 'file delete -force -- {*}[glob -directory $::appfs::cachedir {[0-9a-f][0-9a-f]}]' || return 1
appfsd -sqlite3 'DELETE FROM sites; DELETE FROM packages; DELETE FROM files; VACUUM;' || return 1
}
case "$1" in
invalidate)
invalidate || exit 1
;;
statement='UPDATE sites SET ttl = "0";'
remove-site)
remove_site "$2" || exit 1
;;
clean)
clean || exit 1
;;
clear)
rm -rf
statement='DELETE FROM sites; DELETE FROM packages; DELETE FROM files;'
echo "Usage: appfs-cache {invalidate|clear}" >&2
echo "Usage: appfs-cache {invalidate|clean|clear|clear <package>|remove-site <site>}" >&2
exit 1
;;
esac
exec appfsd -sqlite3 "${statement}"
exit 0
|