From 9e1bf39a3dc5e9b967a8c898f3889e470ba9ae5c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:21:58 +0200 Subject: Adding upstream version 1.0.128+nmu2+deb12u1. Signed-off-by: Daniel Baumann --- functions | 2043 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2043 insertions(+) create mode 100644 functions (limited to 'functions') diff --git a/functions b/functions new file mode 100644 index 0000000..5a9c9de --- /dev/null +++ b/functions @@ -0,0 +1,2043 @@ +############################################################### smallutils + +smallyes() { + YES="${1-y}" + while echo "$YES" 2>/dev/null ; do : ; done +} + +in_path () { + local OLD_IFS="$IFS" + local dir + IFS=":" + for dir in $PATH; do + if [ -x "$dir/$1" ]; then + IFS="$OLD_IFS" + return 0 + fi + done + IFS="$OLD_IFS" + return 1 +} + +############################################################### interaction + +error () { + # + local err name fmt x + err="$1" + name="$2" + fmt="$3" + shift; shift; shift + if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then + (echo "E: $name" + for x in "$@"; do echo "EA: $x"; done + echo "EF: $fmt") >&4 + else + (printf "E: $fmt\n" "$@") >&4 + fi + exit "$err" +} + +warning () { + # + local name fmt x + name="$1" + fmt="$2" + shift; shift + if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then + (echo "W: $name" + for x in "$@"; do echo "WA: $x"; done + echo "WF: $fmt") >&4 + else + printf "W: $fmt\n" "$@" >&4 + fi +} + +info () { + # + local name fmt x + name="$1" + fmt="$2" + shift; shift + if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then + (echo "I: $name" + for x in "$@"; do echo "IA: $x"; done + echo "IF: $fmt") >&4 + else + printf "I: $fmt\n" "$@" >&4 + fi +} + +PROGRESS_NOW=0 +PROGRESS_END=0 +PROGRESS_NEXT="" +PROGRESS_WHAT="" + +progress_next () { + PROGRESS_NEXT="$1" +} + +wgetprogress () { + [ ! "$VERBOSE" ] && NVSWITCH="-nv" + local ret=0 + if [ "$USE_DEBIANINSTALLER_INTERACTION" ] && [ "$PROGRESS_NEXT" ]; then + # The exit status of a pipeline is that of the last command in + # the pipeline, so wget's exit status must be saved in the + # pipeline's first command. Since commands in a pipeline run in + # subshells, we have to print the exit status (on a file + # descriptor other than standard output, which is used by the + # pipeline itself) and then assign it to $ret outside of the + # pipeline. The "||" is necessary due to "set -e"; otherwise, a + # non-zero exit status would cause the echo command to be + # skipped. If wget succeeds, $ret will be "", so it then has to + # be set to a default value of 0. + ret=$({ { wget $@ 2>&1 >/dev/null || echo $? >&2; } | "$PKGDETAILS" "WGET%" "$PROGRESS_NOW" "$PROGRESS_NEXT" "$PROGRESS_END" >&3; } 2>&1) + : ${ret:=0} + else + wget ${NVSWITCH:+"$NVSWITCH"} "$@" + ret=$? + fi + return $ret +} + +progress () { + # + local now end name fmt x + now="$1" + end="$2" + name="$3" + fmt="$4" + shift; shift; shift; shift + if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then + PROGRESS_NOW="$now" + PROGRESS_END="$end" + PROGRESS_NEXT="" + (echo "P: $now $end $name" + for x in "$@"; do echo "PA: $x"; done + echo "PF: $fmt") >&3 + fi +} + +dpkg_progress () { + # UNPACKING|CONFIGURING + local now end name desc action expect + now="$1" + end="$2" + name="$3" + desc="$4" + action="$5" + expect="" + + if [ "$action" = UNPACKING ]; then + expect=half-installed + elif [ "$action" = CONFIGURING ]; then + expect=half-configured + fi + + dp () { + now=$(($now + ${1:-1})) + } + + exitcode=0 + while read status pkg qstate; do + if [ "$status" = "EXITCODE" ]; then + exitcode="$pkg" + continue + fi + [ "$qstate" = "$expect" ] || continue + case $qstate in + half-installed) + dp; progress "$now" "$end" "$name" "$desc" + info "$action" "Unpacking %s..." "${pkg%:}" + expect="unpacked" + ;; + unpacked) + expect="half-installed" + ;; + half-configured) + dp; progress "$now" "$end" "$name" "$desc" + info "$action" "Configuring %s..." "${pkg%:}" + expect="installed" + ;; + installed) + expect="half-configured" + ;; + esac + done + return "$exitcode" +} + +############################################################# set variables + +default_mirror () { + DEF_MIRROR="$1" +} + +FINDDEBS_NEEDS_INDICES="false" +finddebs_style () { + case "$1" in + hardcoded) + ;; + from-indices) + FINDDEBS_NEEDS_INDICES="true" + ;; + *) + error 1 BADFINDDEBS "unknown finddebs style" + ;; + esac +} + +mk_download_dirs () { + if [ "$DLDEST" = "apt_dest" ]; then + mkdir -p "$TARGET/$APTSTATE/lists/partial" + mkdir -p "$TARGET/var/cache/apt/archives/partial" + fi +} + +download_style () { + case "$1" in + apt) + if [ "$2" = "var-state" ]; then + APTSTATE="var/state/apt" + else + APTSTATE="var/lib/apt" + fi + DLDEST="apt_dest" + export APTSTATE DLDEST DEBFOR + ;; + *) + error 1 BADDLOAD "unknown download style" + ;; + esac +} + +keyring () { + # avoid unnecessary warning with --second-stage + if [ -z "$KEYRING" ] && [ "$SECOND_STAGE_ONLY" != true ]; then + if [ -e "$1" ]; then + KEYRING="$1" + elif [ -z "$DISABLE_KEYRING" ]; then + if [ -n "$DEF_HTTPS_MIRROR" ] && [ -z "$USER_MIRROR" ] && [ -z "$FORCE_KEYRING" ]; then + info KEYRING "Keyring file not available at %s; switching to https mirror %s" "$1" "$DEF_HTTPS_MIRROR" + USER_MIRROR="$DEF_HTTPS_MIRROR" + else + warning KEYRING "Cannot check Release signature; keyring file not available %s" "$1" + if [ -n "$FORCE_KEYRING" ]; then + error 1 KEYRING "Keyring-based check was requested; aborting accordingly" + fi + fi + fi + fi +} + +detect_container () { + if [ "$container" = lxc ]; then + CONTAINER="lxc" + elif grep -qs container=lxc-libvirt /proc/1/environ; then + CONTAINER="lxc-libvirt" + elif grep -qs ^systemd-nspawn$ /run/systemd/container || grep -qs systemd-nspawn /proc/1/environ || [ "$container" = "systemd-nspawn" ]; then + CONTAINER="systemd-nspawn" + elif grep -qs '[[:space:]]/docker/.*/sys/fs/cgroup' /proc/1/mountinfo || [ -e "/.dockerenv" ]; then + CONTAINER="docker" + else + CONTAINER="" + fi +} + +########################################################## variant handling + +doing_variant () { + if [ "$1" = "$VARIANT" ]; then return 0; fi + if [ "$1" = "-" ] && [ "$VARIANT" = "" ]; then return 0; fi + return 1 +} + +SUPPORTED_VARIANTS="-" +variants () { + local v + SUPPORTED_VARIANTS="$*" + for v in $*; do + if doing_variant "$v"; then return 0; fi + done + error 1 UNSUPPVARIANT "unsupported variant" +} + +########################################################### option handling +check_conflicting_option () { + if ( [ "$set_what_to_do" = --foreign ] && [ "${1%%=*}" = --unpack-tarball ] ) || \ + ( [ "${set_what_to_do%%=*}" = "--unpack-tarball" ] && [ "$1" = --foreign ] ); then + LOOSEN_CONFLICTING_RESTRICTION="true" + elif [ -n "$set_what_to_do" ]; then + error 1 ARG_CONFLICTING "$set_what_to_do is specified with $1, please use only one of those options." + fi + set_what_to_do="$1" +} + +################################################# work out names for things + +mirror_style () { + case "$1" in + release) + DOWNLOAD_INDICES="download_release_indices" + DOWNLOAD_DEBS="download_release" + ;; + main) + DOWNLOAD_INDICES="download_main_indices" + DOWNLOAD_DEBS="download_main" + ;; + *) + error 1 BADMIRROR "unknown mirror style" + ;; + esac + export DOWNLOAD_INDICES + export DOWNLOAD_DEBS +} + +force_md5 () { + DEBOOTSTRAP_CHECKSUM_FIELD=MD5SUM + export DEBOOTSTRAP_CHECKSUM_FIELD +} + +verify_checksum () { + # args: dest checksum size + local expchecksum="$2" + local expsize="$3" + if [ "$DEBOOTSTRAP_CHECKSUM_FIELD" = "MD5SUM" ]; then + if in_path md5sum; then + relchecksum=$(md5sum < "$1" | sed 's/ .*$//') + elif in_path md5; then + relchecksum=$(md5 < "$1") + else + error 1 SIGCHECK "Cannot check md5sum" + fi + else + if in_path "sha${SHA_SIZE}sum"; then + relchecksum="$(sha${SHA_SIZE}sum < "$1" | sed 's/ .*$//')" + elif in_path "sha${SHA_SIZE}"; then + relchecksum="$(sha${SHA_SIZE} < "$1")" + else + error 1 SIGCHECK "Cannot check sha${SHA_SIZE}sum" + fi + fi + relsize="$(wc -c < "$1")" + if [ "$expsize" -ne "$relsize" ] || [ "$expchecksum" != "$relchecksum" ]; then + return 1 + fi + return 0 +} + +get () { + # args: from dest 'nocache' + # args: from dest [checksum size] [alt {checksum size type}] + # args: from dest 'byhash' [checksum size] [alt {checksum size type}] + local displayname + local versionname + local from_base + local dest_base + local nocache="" + local byhash="" + local a + from_base="$1"; shift + dest_base="$1"; shift + if [ "$1" = "nocache" ]; then + nocache="true"; shift + elif [ "$1" = "byhash" ]; then + byhash="true"; shift + fi + if [ "${dest_base%.deb}" != "$dest_base" ]; then + displayname="$(echo "$dest_base" | sed 's,^.*/,,;s,_.*$,,')" + versionname="$(echo "$dest_base" | sed 's,^.*/,,' | cut -d_ -f2 | sed 's/%3a/:/')" + else + displayname="$(echo "$from_base" | sed 's,^.*/,,')" + fi + + if [ -e "$dest_base" ]; then + if [ -z "$1" ]; then + return 0 + elif [ -n "$nocache" ]; then + rm -f "$dest_base" + else + info VALIDATING "Validating %s %s" "$displayname" "$versionname" + if verify_checksum "$dest_base" "$1" "$2"; then + return 0 + else + rm -f "$dest_base" + fi + fi + fi + + if [ "$#" -gt 3 ]; then + local st=1 + if [ "$3" = "-" ]; then st=4; fi + local order="$(a=$st; while [ "$a" -le $# ]; do eval echo \"\${$(($a+1))}\" $a; + a=$(($a + 3)); done | sort -n | sed 's/.* //')" + else + local order=1 + fi + for a in $order; do + local checksum siz typ from dest iters + checksum="$(eval echo \${$a})" + siz="$(eval echo \${$(( $a+1 ))})" + typ="$(eval echo \${$(( $a+2 ))})" + iters="0" + + case "$typ" in + xz) from="$from_base.xz"; dest="$dest_base.xz" ;; + bz2) from="$from_base.bz2"; dest="$dest_base.bz2" ;; + gz) from="$from_base.gz"; dest="$dest_base.gz" ;; + *) from="$from_base"; dest="$dest_base" ;; + esac + + if [ ! -z "$CACHE_DIR" ]; then + dest="${dest%%*/}" + elif [ "${dest#/}" = "$dest" ]; then + dest="./$dest" + fi + local dest2="$dest" + if [ -d "${dest2%/*}/partial" ]; then + dest2="${dest2%/*}/partial/${dest2##*/}" + fi + + while [ "$iters" -lt 10 ]; do + local from2="" + info RETRIEVING "Retrieving %s %s" "$displayname" "$versionname" + if [ "$checksum" != "" ] && [ "$byhash" != "" ]; then + # assume we don't mix acquire-by-hash and md5 + from2="$(dirname "$from")/by-hash/SHA${SHA_SIZE}/$checksum" + fi + if [ ! -e "$dest2" ]; then + if [ -z "$from2" ] || ! just_get "$from2" "$dest2"; then + if ! just_get "$from" "$dest2"; then continue 2; fi + fi + fi + if [ "$checksum" != "" ]; then + info VALIDATING "Validating %s %s" "$displayname" "$versionname" + if verify_checksum "$dest2" "$checksum" "$siz"; then + checksum="" + fi + fi + if [ -z "$checksum" ]; then + [ "$dest2" = "$dest" ] || mv "$dest2" "$dest" + case "$typ" in + gz) gunzip "$dest" ;; + bz2) bunzip2 "$dest" ;; + xz) unxz "$dest" ;; + esac + return 0 + else + rm -f "$dest2" + warning RETRYING "Retrying failed download of %s" "$from" + iters=$(($iters + 1)) + fi + done + warning CORRUPTFILE "%s was corrupt" "$from" + done + return 1 +} + +just_get () { + # args: from dest + local from="$1" + local dest="$2" + mkdir -p "${dest%/*}" + if [ "${from#null:}" != "$from" ]; then + error 1 NOTPREDL "%s was not pre-downloaded" "${from#null:}" + elif [ "${from#http://}" != "$from" ] || [ "${from#https://}" != "$from" ] || [ "${from#ftp://}" != "$from" ]; then + # http/https/ftp mirror + if wgetprogress ${CHECKCERTIF:+"$CHECKCERTIF"} ${CERTIFICATE:+"$CERTIFICATE"} ${PRIVATEKEY:+"$PRIVATEKEY"} -O "$dest" "$from"; then + return 0 + else + rm -f "$dest" + return 1 + fi + elif [ "${from#file:}" != "$from" ]; then + local base="${from#file:}" + if [ "${base#//}" != "$base" ]; then + base="/${from#file://*/}" + fi + if [ -e "$base" ]; then + cp "$base" "$dest" + return 0 + else + return 1 + fi + elif [ "${from#ssh:}" != "$from" ]; then + local ssh_dest="$(echo "$from" | sed -e 's#ssh://##' -e 's#/#:/#')" + if [ -n "$ssh_dest" ]; then + scp "$ssh_dest" "$dest" + return 0 + else + return 1 + fi + else + error 1 UNKNOWNLOC "unknown location %s" "$from" + fi +} + +download () { + mk_download_dirs + "$DOWNLOAD_DEBS" "$(echo "$@" | tr ' ' '\n' | sort)" +} + +download_indices () { + mk_download_dirs + "$DOWNLOAD_INDICES" "$(echo "$@" | tr ' ' '\n' | sort)" +} + +debfor () { + (while read pkg path; do + for p in "$@"; do + [ "$p" = "$pkg" ] || continue; + echo "$path" + done + done <"$TARGET/debootstrap/debpaths" + ) +} + +apt_dest () { + # args: + # deb package version arch mirror path + # pkg suite component arch mirror path + # rel suite mirror path + case "$1" in + deb) + echo "/var/cache/apt/archives/${2}_${3}_${4}.deb" | sed 's/:/%3a/' + ;; + pkg) + local m="$5" + printf "%s" "$APTSTATE/lists/" + echo "${m}_$6" | sed -e 's,^[^:]\+://,,' -e 's/\//_/g' + ;; + rel) + local m="$3" + printf "%s" "$APTSTATE/lists/" + echo "${m}_$4" | sed -e 's,^[^:]\+://,,' -e 's/\//_/g' + ;; + esac +} + +################################################################## download + +get_release_checksum () { + local reldest path + reldest="$1" + path="$2" + if [ "$DEBOOTSTRAP_CHECKSUM_FIELD" = MD5SUM ]; then + local match="^[Mm][Dd]5[Ss][Uu][Mm]" + else + local match="^[Ss][Hh][Aa]$SHA_SIZE:" + fi + sed -n "/$match/,/^[^ ]/p" < "$reldest" | \ + while read a b c; do + if [ "$c" = "$path" ]; then echo "$a $b"; fi + done | head -n 1 +} + +extract_release_components () { + local c + local reldest="$1"; shift + TMPCOMPONENTS="$(sed -n 's/Components: *//p' "$reldest")" + for c in $TMPCOMPONENTS ; do + case " $COMPONENTS " in + *" $c "*) continue ;; + esac; + + eval " + case \"\$c\" in + $USE_COMPONENTS) + COMPONENTS=\"\$COMPONENTS \$c\" + ;; + esac + " + done + + if [ -z "$COMPONENTS" ]; then + mv "$reldest" "$reldest.malformed" + error 1 INVALIDREL "Invalid Release file, no valid components" + fi +} + +CODENAME="" +validate_suite () { + local reldest suite s + reldest="$1" + + CODENAME=$(sed -n "s/^Codename: *//p" "$reldest") + suite=$(sed -n "s/^Suite: *//p" "$reldest") + + for s in $SUITE $EXTRA_SUITES; do + if [ "$s" = "$suite" ] || [ "$s" = "$CODENAME" ]; then + return 0 + fi + done + if [ "$EXTRA_SUITES" = "" ]; then + error 1 WRONGSUITE "Asked to install suite %s, but got %s (codename: %s) from mirror" "$SUITE" "$suite" "$CODENAME" + else + error 1 WRONGSUITE "Asked to install suites %s %s, but got %s (codename: %s) from mirror" "$SUITE" "$EXTRA_SUITES" "$suite" "$CODENAME" + fi +} + +split_inline_sig () { + local inreldest reldest relsigdest + inreldest="$1" + reldest="$2" + relsigdest="$3" + + # Note: InRelease files are fun since one needs to remove the + # last newline from the PGP SIGNED MESSAGE part, while keeping + # the PGP SIGNATURE part intact. This shell implementation + # should work on most if not all systems, instead of trying to + # sed/tr/head, etc. + rm -f "$reldest" "$relsigdest" + nl="" + state="pre-begin" + while IFS= read -r line; do + case "${state}" in + pre-begin) + if [ "x${line}" = "x-----BEGIN PGP SIGNED MESSAGE-----" ]; then + state="begin" + fi + ;; + begin) + if [ "x${line}" = "x" ]; then + state="data" + fi + ;; + data) + if [ "x${line}" = "x-----BEGIN PGP SIGNATURE-----" ]; then + printf "%s\n" "${line}" > "$relsigdest" + state="signature" + else + printf "${nl}%s" "${line}" >> "$reldest" + nl="\n" + fi + ;; + signature) + printf "%s\n" "${line}" >> "$relsigdest" + if [ "x${line}" = "x-----END PGP SIGNATURE-----" ]; then + break + fi + esac + done < "$inreldest" +} + +download_release_sig () { + local m1 suite inreldest reldest relsigdest + m1="$1" + suite="$2" + inreldest="$3" + reldest="$4" + relsigdest="$5" + + progress 0 100 DOWNREL "Downloading Release file" + progress_next 100 + if [ -n "$INRELEASE_PATH" ]; then + get "$m1/dists/$suite/$INRELEASE_PATH" "$inreldest" nocache || + error 1 NOGETREL "Failed getting release file %s" \ + "$m1/dists/$suite/$INRELEASE_PATH" + split_inline_sig "$inreldest" "$reldest" "$relsigdest" + progress 100 100 DOWNREL "Downloading Release file" + elif get "$m1/dists/$suite/InRelease" "$inreldest" nocache; then + split_inline_sig "$inreldest" "$reldest" "$relsigdest" + progress 100 100 DOWNREL "Downloading Release file" + else + get "$m1/dists/$suite/Release" "$reldest" nocache || + error 1 NOGETREL "Failed getting release file %s" "$m1/dists/$suite/Release" + progress 100 100 DOWNREL "Downloading Release file" + fi + if [ -n "$KEYRING" ] && [ -z "$DISABLE_KEYRING" ]; then + progress 0 100 DOWNRELSIG "Downloading Release file signature" + if ! [ -f "$relsigdest" ]; then + progress_next 50 + get "$m1/dists/$suite/Release.gpg" "$relsigdest" nocache || + error 1 NOGETRELSIG "Failed getting release signature file %s" \ + "$m1/dists/$suite/Release.gpg" + progress 50 100 DOWNRELSIG "Downloading Release file signature" + fi + + info RELEASESIG "Checking Release signature" + # Don't worry about the exit status from gpgv; parsing the output will + # take care of that. + (gpgv --status-fd 1 --keyring "$KEYRING" --ignore-time-conflict \ + "$relsigdest" "$reldest" || true) | read_gpg_status + progress 100 100 DOWNRELSIG "Downloading Release file signature" + fi +} + +download_release_indices () { + local m1 inreldest reldest relsigdest totalpkgs \ + subpath xzi bz2i gzi normi i ext \ + donepkgs pkgdest acquirebyhash s c m + m1="${MIRRORS%% *}" + for s in $SUITE $EXTRA_SUITES; do + inreldest="$TARGET/$($DLDEST rel "$s" "$m1" "dists/$s/InRelease")" + reldest="$TARGET/$($DLDEST rel "$s" "$m1" "dists/$s/Release")" + relsigdest="$TARGET/$($DLDEST rel "$s" "$m1" "dists/$s/Release.gpg")" + + download_release_sig "$m1" "$s" "$inreldest" "$reldest" "$relsigdest" + + validate_suite "$reldest" + + extract_release_components "$reldest" + + acquirebyhash=$(grep "^Acquire-By-Hash: yes$" "$reldest" || true) + totalpkgs=0 + for c in $COMPONENTS; do + subpath="$c/binary-$ARCH/Packages" + xzi="$(get_release_checksum "$reldest" "$subpath.xz")" + bz2i="$(get_release_checksum "$reldest" "$subpath.bz2")" + gzi="$(get_release_checksum "$reldest" "$subpath.gz")" + normi="$(get_release_checksum "$reldest" "$subpath")" + if [ "$normi" != "" ]; then + i="$normi" + elif in_path bunzip2 && [ "$bz2i" != "" ]; then + i="$bz2i" + elif in_path unxz && [ "$xzi" != "" ]; then + i="$xzi" + elif in_path gunzip && [ "$gzi" != "" ]; then + i="$gzi" + fi + if [ "$i" != "" ]; then + totalpkgs=$(( $totalpkgs + ${i#* } )) + else + mv "$reldest" "$reldest.malformed" + error 1 MISSINGRELENTRY "Invalid Release file, no entry for %s" "$subpath" + fi + done + + donepkgs=0 + progress 0 $totalpkgs DOWNPKGS "Downloading Packages files" + for c in $COMPONENTS; do + subpath="$c/binary-$ARCH/Packages" + path="dists/$s/$subpath" + xzi="$(get_release_checksum "$reldest" "$subpath.xz")" + bz2i="$(get_release_checksum "$reldest" "$subpath.bz2")" + gzi="$(get_release_checksum "$reldest" "$subpath.gz")" + normi="$(get_release_checksum "$reldest" "$subpath")" + ext="" + if [ "$acquirebyhash" != "" ]; then + ext="$ext byhash" + fi + if [ "$normi" != "" ]; then + ext="$ext $normi ." + i="$normi" + fi + if in_path unxz && [ "$xzi" != "" ]; then + ext="$ext $xzi xz" + i="${i:-$xzi}" + fi + if in_path bunzip2 && [ "$bz2i" != "" ]; then + ext="$ext $bz2i bz2" + i="${i:-$bz2i}" + fi + if in_path gunzip && [ "$gzi" != "" ]; then + ext="$ext $gzi gz" + i="${i:-$gzi}" + fi + progress_next $(($donepkgs + ${i#* })) + for m in $MIRRORS; do + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m" "$path")" + if get "$m/$path" "$pkgdest" $ext; then break; fi + done + if [ ! -f "$pkgdest" ]; then + error 1 COULDNTDL "Couldn't download %s" "$m/$path" + fi + donepkgs=$(($donepkgs + ${i#* })) + progress $donepkgs $totalpkgs DOWNPKGS "Downloading Packages files" + done + done +} + +get_package_sizes () { + # mirror pkgdest debs.. + local m pkgdest + m="$1"; shift + pkgdest="$1"; shift + $PKGDETAILS PKGS "$m" "$pkgdest" "$@" | ( + newleft="" + totaldebs=0 + countdebs=0 + while read p details; do + if [ "$details" = "-" ]; then + newleft="$newleft $p" + else + size="${details##* }"; + totaldebs=$(($totaldebs + $size)) + countdebs=$(($countdebs + 1)) + fi + done + echo "$countdebs $totaldebs$newleft" + ) +} + +# note, leftovers come back on fd5 !! +download_debs () { + local m pkgdest debdest debcache + m="$1" + pkgdest="$2" + shift; shift + + "$PKGDETAILS" PKGS "$m" "$pkgdest" "$@" | ( + leftover="" + while read p ver arc mdup fil checksum size; do + if [ "$ver" = "-" ]; then + leftover="$leftover $p" + else + progress_next $(($dloaddebs + $size)) + debdest="$($DLDEST deb "$p" "$ver" "$arc" "$m" "$fil")" + debcache="$(echo "$p"_"$ver"_"$arc".deb | sed 's/:/%3a/')" + if [ -z "$CACHE_DIR" ] && get "$m/$fil" "$TARGET/$debdest" "$checksum" "$size"; then + dloaddebs=$(($dloaddebs + $size)) + echo >>"$TARGET/debootstrap/deburis" "$p $ver $m/$fil" + echo >>"$TARGET/debootstrap/debpaths" "$p $debdest" + elif [ -d "$CACHE_DIR" ] && get "$m/$fil" "$CACHE_DIR/$debcache" "$checksum" "$size"; then + dloaddebs=$(($dloaddebs + $size)) + echo >>"$TARGET/debootstrap/deburis" "$p $ver $m/$fil" + echo >>"$TARGET/debootstrap/debpaths" "$p $debdest" + cp "$CACHE_DIR/$debcache" "$TARGET/$debdest" + else + warning COULDNTDL "Couldn't download package %s (ver %s arch %s) at %s" "$p" "$ver" "$arc" "$m/$fil" + leftover="$leftover $p" + fi + fi + done + echo >&5 ${leftover# } + ) +} + +download_release () { + local m1 numdebs countdebs totaldebs leftoverdebs path pkgdest \ + dloaddebs s c m + m1="${MIRRORS%% *}" + + numdebs="$#" + + countdebs=0 + progress "$countdebs" "$numdebs" SIZEDEBS "Finding package sizes" + + totaldebs=0 + leftoverdebs="$*" + + # Fix possible duplicate package names, which would screw up counts: + leftoverdebs=$(printf "$leftoverdebs"|tr ' ' '\n'|sort -u|tr '\n' ' ') + numdebs=$(printf "$leftoverdebs"|wc -w) + + for s in $SUITE $EXTRA_SUITES; do + for c in $COMPONENTS; do + if [ "$countdebs" -ge "$numdebs" ]; then break; fi + + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m1" "$path")" + if [ ! -e "$pkgdest" ]; then continue; fi + + info CHECKINGSIZES "Checking component %s on %s..." "$c" "$m1" + + leftoverdebs="$(get_package_sizes "$m1" "$pkgdest" $leftoverdebs)" + + countdebs=$(($countdebs + ${leftoverdebs%% *})) + leftoverdebs=${leftoverdebs#* } + + totaldebs=${leftoverdebs%% *} + leftoverdebs=${leftoverdebs#* } + + progress "$countdebs" "$numdebs" SIZEDEBS "Finding package sizes" + done + done + + if [ "$countdebs" -ne "$numdebs" ]; then + error 1 LEFTOVERDEBS "Couldn't find these debs: %s" "$leftoverdebs" + fi + + dloaddebs=0 + + progress "$dloaddebs" "$totaldebs" DOWNDEBS "Downloading packages" + :>"$TARGET/debootstrap/debpaths" + + pkgs_to_get="$*" + for s in $SUITE $EXTRA_SUITES; do + for c in $COMPONENTS; do + path="dists/$s/$c/binary-$ARCH/Packages" + for m in $MIRRORS; do + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m" "$path")" + if [ ! -e "$pkgdest" ]; then continue; fi + pkgs_to_get="$(download_debs "$m" "$pkgdest" $pkgs_to_get 5>&1 1>&6)" + if [ -z "$pkgs_to_get" ]; then break; fi + done 6>&1 + if [ -z "$pkgs_to_get" ]; then break; fi + done + if [ -z "$pkgs_to_get" ]; then break; fi + done + progress "$dloaddebs" "$totaldebs" DOWNDEBS "Downloading packages" + if [ "$pkgs_to_get" != "" ]; then + error 1 COULDNTDLPKGS "Couldn't download packages: %s" "$pkgs_to_get" + fi +} + +download_main_indices () { + local m1 comp path pkgdest m s c + m1="${MIRRORS%% *}" + comp="${USE_COMPONENTS}" + progress 0 100 DOWNMAINPKGS "Downloading Packages file" + progress_next 100 + + if [ -z "$comp" ]; then comp=main; fi + COMPONENTS="$(echo $comp | tr '|' ' ')" + + export COMPONENTS + for m in $MIRRORS; do + for s in $SUITE $EXTRA_SUITES; do + for c in $COMPONENTS; do + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m" "$path")" + if in_path gunzip && get "$m/${path}.gz" "${pkgdest}.gz"; then + rm -f "$pkgdest" + gunzip "$pkgdest.gz" + elif get "$m/$path" "$pkgdest"; then + true + fi + done + done + done + progress 100 100 DOWNMAINPKGS "Downloading Packages file" +} + +download_main () { + local m1 path pkgdest debdest p s c m + m1="${MIRRORS%% *}" + + :>"$TARGET/debootstrap/debpaths" + for p in "$@"; do + for s in $SUITE $EXTRA_SUITES; do + for c in $COMPONENTS; do + local details="" + for m in $MIRRORS; do + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m" "$path")" + if [ ! -e "$pkgdest" ]; then continue; fi + details="$($PKGDETAILS PKGS "$m" "$pkgdest" "$p")" + if [ "$details" = "$p -" ]; then + details="" + continue + fi + size="${details##* }"; details="${details% *}" + checksum="${details##* }"; details="${details% *}" + debdest="$($DLDEST deb $details)" + if get "$m/${details##* }" "$TARGET/$debdest" "$checksum" "$size"; then + echo >>"$TARGET/debootstrap/debpaths" "$p $debdest" + details="done" + break + else + details="" + fi + done + if [ "$details" != "" ]; then + break + fi + done + if [ "$details" != "" ]; then + break + fi + done + if [ "$details" != "done" ]; then + error 1 COULDNTDL "Couldn't download %s" "$p" + fi + done +} + +###################################################### deb choosing support + +get_debs () { + local field m1 s c path pkgdest + field="$1" + shift + for m1 in $MIRRORS; do + for s in $SUITE $EXTRA_SUITES; do + for c in $COMPONENTS; do + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m1" "$path")" + echo "$("$PKGDETAILS" FIELD "$field" "$m1" "$pkgdest" "$@" | sed 's/ .*//')" + done + done + done +} + +################################################################ extraction + +EXTRACTORS_SUPPORTED="dpkg-deb ar" +EXTRACT_DEB_TAR_OPTIONS= + +# Native dpkg-deb based extractors +extract_dpkg_deb_field () { + local pkg field + pkg="$1" + field="$2" + + dpkg-deb -f "$pkg" "$field" +} + +extract_dpkg_deb_data () { + local pkg="$1" + + dpkg-deb --fsys-tarfile "$pkg" | tar $EXTRACT_DEB_TAR_OPTIONS -xf - || error 1 FILEEXIST "Tried to extract package, but file already exists. Exit..." +} + +# Raw .deb extractors +extract_ar_deb_field () { + local pkg field tarball + pkg="$1" + field="$2" + tarball=$(ar -t "$pkg" | grep "^control\.tar") + + case "$tarball" in + control.tar.gz) cat_cmd=zcat ;; + control.tar.xz) cat_cmd=xzcat ;; + control.tar.zst) cat_cmd=zstdcat ;; + control.tar) cat_cmd=cat ;; + *) error 1 UNKNOWNCONTROLCOMP "Unknown compression type for %s in %s" "$tarball" "$pkg" ;; + esac + + if in_path $cat_cmd; then + ar -p "$pkg" "$tarball" | $cat_cmd | + tar -O -xf - control ./control 2>/dev/null | + grep -i "^$field:" | sed -e 's/[^:]*: *//' | head -n 1 + else + error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd" + fi +} + +extract_ar_deb_data () { + local pkg tarball + pkg="$1" + tarball="$(ar -t "$pkg" | grep "^data.tar")" + + case "$tarball" in + data.tar.gz) cat_cmd=zcat ;; + data.tar.bz2) cat_cmd=bzcat ;; + data.tar.xz) cat_cmd=xzcat ;; + data.tar.zst) cat_cmd=zstdcat ;; + data.tar) cat_cmd=cat ;; + *) error 1 UNKNOWNDATACOMP "Unknown compression type for %s in %s" "$tarball" "$pkg" ;; + esac + + if in_path "$cat_cmd"; then + ar -p "$pkg" "$tarball" | "$cat_cmd" | tar $EXTRACT_DEB_TAR_OPTIONS -xf - + else + error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd" + fi +} + +valid_extractor () { + local extractor="$1" + local E + + for E in $EXTRACTORS_SUPPORTED; do + if [ "$extractor" = "$E" ]; then + return 0 + fi + done + + return 1 +} + +choose_extractor () { + local extractor + + if [ -n "$EXTRACTOR_OVERRIDE" ]; then + extractor="$EXTRACTOR_OVERRIDE" + elif in_path dpkg-deb; then + extractor="dpkg-deb" + else + extractor="ar" + fi + + info CHOSENEXTRACTOR "Chosen extractor for .deb packages: %s" "$extractor" + case "$extractor" in + dpkg-deb) + extract_deb_field () { extract_dpkg_deb_field "$@"; } + extract_deb_data () { extract_dpkg_deb_data "$@"; } + ;; + ar) + extract_deb_field () { extract_ar_deb_field "$@"; } + extract_deb_data () { extract_ar_deb_data "$@"; } + ;; + esac +} + +extract () { ( + cd "$TARGET" || exit 1 + local p cat_cmd pkg + p=0 + for pkg in $(debfor "$@"); do + p=$(($p + 1)) + progress "$p" "$#" EXTRACTPKGS "Extracting packages" + packagename="$(echo "$pkg" | sed 's,^.*/,,;s,_.*$,,')" + info EXTRACTING "Extracting %s..." "$packagename" + extract_deb_data "./$pkg" + done +); } + +in_target_nofail () { + if ! PATH=/sbin:/usr/sbin:/bin:/usr/bin eval "$CHROOT_CMD \"\$@\"" 2>/dev/null; then + true + fi + return 0 +} + +in_target_failmsg () { + local code msg arg + code="$1" + msg="$2" + arg="$3" + shift; shift; shift + if ! PATH=/sbin:/usr/sbin:/bin:/usr/bin eval "$CHROOT_CMD \"\$@\""; then + warning "$code" "$msg" "$arg" + # Try to point user at actual failing package. + msg="See %s for details" + if [ -e "$TARGET/debootstrap/debootstrap.log" ]; then + arg="$TARGET/debootstrap/debootstrap.log" + local pkg="$(grep '^dpkg: error processing ' "$TARGET/debootstrap/debootstrap.log" | head -n 1 | sed 's/\(error processing \)\(package \|archive \)/\1/' | cut -d ' ' -f 4)" + if [ -n "$pkg" ]; then + msg="$msg (possibly the package $pkg is at fault)" + fi + else + arg="the log" + fi + warning "$code" "$msg" "$arg" + return 1 + fi + return 0 +} + +in_target () { + in_target_failmsg IN_TARGET_FAIL "Failure trying to run: %s" "$CHROOT_CMD $*" "$@" +} + +###################################################### standard setup stuff + +conditional_cp () { + if [ ! -e "$2/$1" ]; then + if [ -L "$1" ] && [ -e "$1" ]; then + cat "$1" >"$2/$1" + elif [ -e "$1" ]; then + cp "$1" "$2/$1" + fi + fi +} + + +setup_apt_sources () { + local m s c + mkdir -p "$TARGET/etc/apt" + for m in "$@"; do + for s in $SUITE $EXTRA_SUITES; do + local cs c path pkgdest + cs="" + for c in ${COMPONENTS:-$USE_COMPONENTS}; do + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m" "$path")" + if [ -e "$pkgdest" ]; then cs="$cs $c"; fi + done + if [ "$cs" != "" ]; then echo "deb $m $s$cs"; fi + done + done > "$TARGET/etc/apt/sources.list" +} + +setup_etc () { + mkdir -p "$TARGET/etc" + + conditional_cp /etc/resolv.conf "$TARGET" + conditional_cp /etc/hostname "$TARGET" +} + +UMOUNT_DIRS= + +umount_exit_function () { + local realdir dir + for dir in $UMOUNT_DIRS; do + realdir="$(in_target_nofail readlink -f "$dir")" + [ "$realdir" ] || continue + ( cd / ; umount "$TARGET/${realdir#/}" ) || true + done +} + +umount_on_exit () { + if [ "$UMOUNT_DIRS" ]; then + UMOUNT_DIRS="$1 $UMOUNT_DIRS" + else + UMOUNT_DIRS="$1" + on_exit umount_exit_function + fi +} + +clear_mtab () { + if [ -f "$TARGET/etc/mtab" ] && [ ! -h "$TARGET/etc/mtab" ]; then + rm -f "$TARGET/etc/mtab" + fi +} + +setup_proc () { + case "$HOST_OS" in + *freebsd*) + umount_on_exit /dev + umount_on_exit /dev/fd + umount_on_exit /proc + umount "$TARGET/proc" 2>/dev/null || true + if [ "$HOST_OS" = kfreebsd ]; then + in_target mount -t linprocfs proc /proc + else + mount -t linprocfs proc "$TARGET/proc" + fi + ;; + hurd*) + # firmlink $TARGET/{dev,servers,proc} to the system ones. + settrans -a "$TARGET/dev" /hurd/firmlink /dev + settrans -a "$TARGET/servers" /hurd/firmlink /servers + settrans -a "$TARGET/proc" /hurd/firmlink /proc + ;; + *) + umount_on_exit /dev/pts + umount_on_exit /dev/shm + umount_on_exit /proc + umount_on_exit /proc/bus/usb + if [ -L "$TARGET/proc" ];then + rm -f $TARGET/proc + mkdir $TARGET/proc + else + umount "$TARGET/proc" 2>/dev/null || true + fi + + # some container environment are used at second-stage, it already treats /proc and so on + if [ -z "$(ls -A "$TARGET/proc")" ]; then + # second-stage in docker, we cannot detect it is inside docker... just ignore warning + in_target mount -t proc proc /proc || true + umount_on_exit /proc + fi + if [ -n "$(ls -A "$TARGET/sys")" ] && \ + grep -qs '[[:space:]]sysfs' "$TARGET/proc/filesystems" || \ + [ "$CONTAINER" = "docker" ]; then + umount_on_exit /sys + umount "$TARGET/sys" 2>/dev/null || true + else + # second-stage in docker, we cannot detect it is inside docker... just ignore warning + in_target mount -t sysfs sysfs /sys || true + umount_on_exit /sys + fi + on_exit clear_mtab + ;; + esac + umount_on_exit /lib/init/rw +} + +setup_proc_symlink () { + rm -rf "$TARGET/proc" + ln -s /proc "$TARGET" +} + +# create the static device nodes +setup_devices () { + if doing_variant fakechroot; then + setup_devices_fakechroot + return 0 + fi + + case "$HOST_OS" in + kfreebsd*) + ;; + freebsd) + ;; + hurd*) + ;; + *) + if [ "$CONTAINER" = "lxc" ] || [ "$CONTAINER" = "lxc-libvirt" ]; then + if ! setup_devices_simple; then + setup_devices_bind + fi + return 0 + fi + + setup_devices_simple + ;; + esac +} + +# enable the dynamic device nodes +setup_dynamic_devices () { + if doing_variant fakechroot; then + return 0 + fi + + case "$HOST_OS" in + kfreebsd*) + in_target mount -t devfs devfs /dev ;; + freebsd) + mount -t devfs devfs "$TARGET/dev" + mount -t fdescfs -o linrdlnk fdescfs "$TARGET/dev/fd" ;; + hurd*) + # Use the setup-translators of the hurd package + in_target /usr/lib/hurd/setup-translators -k ;; + esac +} + +# Create a device node if it does not exist. By default, the mode is 666. +mknod_if_needed () { + local device type major minor mode + device="$1" + type="$2" + major="$3" + minor="$4" + mode="${5:-666}" + + if [ ! -e "$device" ]; then + mknod -m "$mode" "$device" "$type" "$major" "$minor" + fi +} + + +setup_devices_simple () { + # The list of devices that can be created in a container comes from + # src/core/cgroup.c in the systemd source tree. + mknod_if_needed "$TARGET/dev/null" c 1 3 + mknod_if_needed "$TARGET/dev/zero" c 1 5 + mknod_if_needed "$TARGET/dev/full" c 1 7 + mknod_if_needed "$TARGET/dev/random" c 1 8 + mknod_if_needed "$TARGET/dev/urandom" c 1 9 + mknod_if_needed "$TARGET/dev/tty" c 5 0 + if [ ! "$CONTAINER" = "systemd-nspawn" ]; then + mknod_if_needed "$TARGET/dev/console" c 5 1 + fi + # To avoid pre-exist directory causes error, specify "-p" option + mkdir -p "$TARGET/dev/pts/" "$TARGET/dev/shm/" + # Inside a container, we might not be allowed to create /dev/ptmx. + # If not, do the next best thing. + if ! mknod_if_needed "$TARGET/dev/ptmx" c 5 2; then + warning MKNOD "Could not create /dev/ptmx, falling back to symlink. This chroot will require /dev/pts mounted with ptmxmode=666" + ln -sf pts/ptmx "$TARGET/dev/ptmx" + fi + ln -sf /proc/self/fd "$TARGET/dev/fd" + ln -sf /proc/self/fd/0 "$TARGET/dev/stdin" + ln -sf /proc/self/fd/1 "$TARGET/dev/stdout" + ln -sf /proc/self/fd/2 "$TARGET/dev/stderr" +} + +setup_devices_fakechroot () { + rm -rf "$TARGET/dev" + ln -s /dev "$TARGET" +} + +setup_devices_bind () { + local device + mount -t tmpfs nodev "$TARGET/dev" + umount_on_exit /dev + for device in null zero full random urandom tty pts shm ptmx; do + if [ -d "/dev/$device" ]; then + mkdir "$TARGET/dev/$device" + elif [ -c "/dev/$device" ]; then + touch "$TARGET/dev/$device" + else + continue + fi + mount -o bind "/dev/$device" "$TARGET/dev/$device" + umount_on_exit "/dev/$device" + done + ln -s /proc/self/fd "$TARGET/dev/fd" + ln -s /proc/self/fd/0 "$TARGET/dev/stdin" + ln -s /proc/self/fd/1 "$TARGET/dev/stdout" + ln -s /proc/self/fd/2 "$TARGET/dev/stderr" +} + +setup_dselect_method () { + case "$1" in + apt) + mkdir -p "$TARGET/var/lib/dpkg" + echo "apt apt" > "$TARGET/var/lib/dpkg/cmethopt" + chmod 644 "$TARGET/var/lib/dpkg/cmethopt" + ;; + *) + error 1 UNKNOWNDSELECT "unknown dselect method" + ;; + esac +} + +can_usrmerge_symlink() { + # Absolute symlinks can be relocated without problems. + test "${2#/}" = "$2" || return 0 + while :; do + if test "${2#/}" != "$2"; then + # Handle double-slashes. + set -- "$1" "${2#/}" + elif test "${2#./}" != "$2"; then + # Handle ./ inside a link target. + set -- "$1" "${2#./}" + elif test "$2" = ..; then + # A parent directory symlink is ok if it does not + # cross the top level directory. + test "${1%/*/*}" != "$1" -a -n "${1%/*/*}" + return $? + elif test "${2#../}" != "$2"; then + # Symbolic link crossing / cannot be moved safely. + # This is prohibited by Debian Policy 10.5. + test "${1%/*/*}" = "$1" -o -z "${1%/*/*}" && return 1 + set -- "${1%/*}" "${2#../}" + else + # Consider the symlink ok if its target does not + # contain a parent directory. When we fail here, + # the link target is non-minimal and doesn't happen + # in the archive. + test "${2#*/../}" = "$2" + return $? + fi + done +} + +merge_usr_entry() { + local entry canon + canon="$TARGET/usr/${1#"$TARGET/"}" + test -h "$canon" && + error 1 USRMERGEFAIL "cannot move %s as its destination exists as a symlink" "${1#"$TARGET"}" + if ! test -e "$canon"; then + mv "$1" "$canon" + return 0 + fi + test -d "$1" || + error 1 USRMERGEFAIL "cannot move non-directory %s as its destination exists" "${1#"$TARGET"}" + test -d "$canon" || + error 1 USRMERGEFAIL "cannot move directory %s as its destination is not a directory" "${1#"$TARGET"}" + for entry in "$1/"* "$1/."*; do + # Some shells return . and .. on dot globs. + test "${entry%/.}" != "${entry%/..}" && continue + if test -h "$entry" && ! can_usrmerge_symlink "${entry#"$TARGET"}" "$(readlink "$entry")"; then + error 1 USRMERGEFAIL "cannot move relative symlink crossing top-level directory" "${entry#"$TARGET"}" + fi + # Ignore glob match failures + if test "${entry%'/*'}" != "${entry%'/.*'}" && ! test -e "$entry"; then + continue + fi + merge_usr_entry "$entry" + done + rmdir "$1" +} + +merge_usr() { + if doing_variant buildd && [ -z "$MERGED_USR" ]; then + case "$CODENAME" in + etch*|lenny|squeeze|wheezy|jessie*|stretch|buster|bullseye|bookworm) + MERGED_USR="no" + ;; + esac + fi + + if [ "$MERGED_USR" = "no" ]; then + # With the usrmerge becoming pseudo-essential we need to use this flag + # to ensure that even if it gets installed the buildd is not converted + # when debootstrap needs to create an unmerged-usr installation. + case "$CODENAME" in + etch*|lenny|squeeze|wheezy|jessie*|stretch|buster|bullseye) + ;; + *) + mkdir -p "$TARGET/etc" + echo "this system will not be supported in the future" > "$TARGET/etc/unsupported-skip-usrmerge-conversion" + if ! doing_variant buildd; then + warning SANITYCHECK "Upgrading non-merged-/usr environments post-bookworm is unsupported. Only do this for CI/QA infrastructure that will be re-bootstrapped rather than upgraded." + fi + ;; + esac + return 0; + fi + + local dir + # This is list includes all possible multilib directories. It must be + # updated when new multilib directories are being added. Hopefully, + # all new architectures use multiarch instead, so we never get to + # update this. + for dir in bin lib lib32 lib64 libo32 libx32 sbin; do + test -h "$TARGET/$dir" && continue + test -e "$TARGET/$dir" || continue + merge_usr_entry "$TARGET/$dir" + ln -s "usr/$dir" "$TARGET/$dir" + done +} + +# Previous implementation of merged /usr: not used within debootstrap, +# but used by mmdebstrap's hooks/merged-usr/setup00.sh, mainly to get +# the correct per-architecture $link_dir list of non-default multilib +# directories. +setup_merged_usr() { + if doing_variant buildd && [ -z "$MERGED_USR" ]; then + case "$CODENAME" in + etch*|lenny|squeeze|wheezy|jessie*|stretch|buster|bullseye|bookworm) + MERGED_USR="no" + ;; + esac + fi + + if [ "$MERGED_USR" = "no" ]; then + # With the usrmerge becoming pseudo-essential we need to use this flag + # to ensure that even if it gets installed the buildd is not converted + # when debootstrap needs to create an unmerged-usr installation. + case "$CODENAME" in + etch*|lenny|squeeze|wheezy|jessie*|stretch|buster|bullseye) + ;; + *) + mkdir -p "$TARGET/etc" + echo "this system will not be supported in the future" > "$TARGET/etc/unsupported-skip-usrmerge-conversion" + if ! doing_variant buildd; then + warning SANITYCHECK "Upgrading non-merged-/usr environments post-bookworm is unsupported. Only do this for CI/QA infrastructure that will be re-bootstrapped rather than upgraded." + fi + ;; + esac + return 0; + fi + + local link_dir="" + case $ARCH in + amd64) link_dir="lib32 lib64 libx32" ;; + i386) link_dir="lib64 libx32" ;; + mips|mipsel) + link_dir="lib32 lib64" ;; + mips64*|mipsn32*) + link_dir="lib32 lib64 libo32" ;; + loongarch64*) + link_dir="lib32 lib64" ;; + powerpc) link_dir="lib64" ;; + ppc64) link_dir="lib32 lib64" ;; + ppc64el) link_dir="lib64" ;; + s390x) link_dir="lib32" ;; + sparc) link_dir="lib64" ;; + sparc64) link_dir="lib32 lib64" ;; + x32) link_dir="lib32 lib64 libx32" ;; + esac + link_dir="bin sbin lib $link_dir" + + local dir + for dir in $link_dir; do + ln -s usr/"$dir" "$TARGET/$dir" + mkdir -p "$TARGET/usr/$dir" + done +} + +################################################################ pkgdetails + +# NOTE +# For the debootstrap udeb, pkgdetails is provided by the bootstrap-base +# udeb, so the pkgdetails API needs to be kept in sync with that. + +if in_path perl; then + PKGDETAILS=pkgdetails_perl + + # test if grep supports --perl-regexp + set +e + echo x | grep --perl-regexp . >/dev/null 2>&1 + if [ $? -eq 2 ]; then + gropt=-E + else + gropt=--perl-regexp + fi + set -e + + pkgdetails_field () { + # uniq field mirror Packages values... + perl -le ' +$unique = shift @ARGV; $field = lc(shift @ARGV); $mirror = shift @ARGV; +%expected = map { $_, 0 } @ARGV; +%outputs; +$prevpkg = ""; +$chksumfield = lc($ENV{DEBOOTSTRAP_CHECKSUM_FIELD}).":"; + +sub emit_or_store_pkg { + if ($unique && defined $output_val) { + # Store the output for deduplicated emission later + $outputs{$output_val} = $output; + } else { + print $output if defined $output; + } +} + +while () { + if (/^([^:]*:)\s*(.*)$/) { + $f = lc($1); $v = $2; + if ($f eq "package:") { + $pkg = $v; + if ($pkg ne $prevpkg) { + emit_or_store_pkg; + $prevpkg = $pkg; + } + undef $output; + undef $output_val; + } + $ver = $v if ($f eq "version:"); + $arc = $v if ($f eq "architecture:"); + $fil = $v if ($f eq "filename:"); + $chk = $v if ($f eq $chksumfield); + $siz = $v if ($f eq "size:"); + $val = $v if ($f eq $field); + } elsif (/^$/) { + if (defined $val && defined $expected{$val}) { + $output = sprintf "%s %s %s %s %s %s %s", + $pkg, $ver, $arc, $mirror, $fil, $chk, $siz; + $output_val = $val; + } + undef $val; + } +} +emit_or_store_pkg; + +if ($unique) { + # Emit all of our deduplicated values + map { print } sort values %outputs; + # And emit any expected packages that were not found + foreach my $v (keys %expected) { + printf ("%s -\n", $v) if !defined $outputs{$v}; + } +} +' "$@" + } + + pkgdetails_perl () { + if [ "$1" = "WGET%" ]; then + shift; + perl -e ' +$v = 0; +$allow_percentage = 0; +while (read STDIN, $x, 1) { + if ($x =~ m/\s/) { + $allow_percentage = 1; + } elsif ($allow_percentage and $x =~ m/\d/) { + $v *= 10; + $v += $x; + } elsif ($allow_percentage and $x eq "%") { + printf "P: %d %d%s\n", int($v / 100.0 * ($ARGV[1] - $ARGV[0]) + $ARGV[0]), $ARGV[2], ($#ARGV == 3 ? " $ARGV[3]" : ""); + $v = 0; + } else { + $v = 0; + $allow_percentage = 0; + } +}' "$@" + elif [ "$1" = "GETDEPS" ]; then + local pkgdest="$2"; shift; shift +LC_ALL=C grep "$gropt" '^$|^Package:|^Depends:|^Pre-Depends:' $pkgdest | perl -e ' +%seen = map { $_ => 1 } @ARGV; +while () { + if (/^Package: (.*)$/) { + $pkg = $1; + next; + } elsif (/^$/) { + $in = 0; + next; + } + $in = 1 if $seen{$pkg}; + if ($in and (/^Depends: (.*)$/ or /^Pre-Depends: (.*)$/)) { + for $d (split /\s*,\s*/, $1) { + $d =~ s/\s*[|].*$//; + $d =~ s/\s*[(].*[)]\s*//; + $d =~ s/:.*//; + $depends{$d} = 1; + } + } +} + foreach (sort keys %depends) { + print "$_\n"; + } +' "$@" + elif [ "$1" = "PKGS" ]; then + local m="$2" + local p="$3" + shift; shift; shift + LC_ALL=C grep "$gropt" '^$|^Architecture:|^Filename:|^MD5sum:|^Package:|^Priority:|^SHA256:|^Size:|^Version:|^Depends:|^Pre-Depends:' "$p" | pkgdetails_field 1 Package: "$m" "$@" + elif [ "$1" = "FIELD" ]; then + local f="$2" + local m="$3" + local p="$4" + shift; shift; shift; shift + LC_ALL=C grep "$gropt" '^$|^Package:|^Priority:' "$p" | pkgdetails_field 0 "$f" "$m" "$@" + elif [ "$1" = "STANZAS" ]; then + local pkgdest="$2"; shift; shift + perl -e ' +my $accum = ""; +%seen = map { $_ => 1 } @ARGV; +while () { + $accum .= $_; + $in = 1 if (/^Package: (.*)$/ && $seen{$1}); + if ($in and /^$/) { + print $accum; + if (substr($accum, -1) != "\n") { + print "\n\n"; + } elsif (substr($accum, -2, 1) != "\n") { + print "\n"; + } + $in = 0; + } + $accum = "" if /^$/; +}' <"$pkgdest" "$@" + fi + } +elif [ -e "/usr/lib/debootstrap/pkgdetails" ]; then + PKGDETAILS="/usr/lib/debootstrap/pkgdetails" +elif [ -e "$DEBOOTSTRAP_DIR/pkgdetails" ]; then + PKGDETAILS="$DEBOOTSTRAP_DIR/pkgdetails" +else + PKGDETAILS="" +fi + +##################################################### dependency resolution + +resolve_deps () { + local m1="${MIRRORS%% *}" + + local PKGS="$*" + local ALLPKGS="$PKGS"; + local ALLPKGS2=""; + local s c + while [ "$PKGS" != "" ]; do + local NEWPKGS="" + for s in $SUITE $EXTRA_SUITES; do + for c in ${COMPONENTS:-$(echo ${USE_COMPONENTS} | tr '|' ' ')}; do + local path="dists/$s/$c/binary-$ARCH/Packages" + local pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m1" "$path")" + NEWPKGS="$NEWPKGS $("$PKGDETAILS" GETDEPS "$pkgdest" $PKGS)" + done + done + if [ -n "${EXCLUDE_DEPENDENCY:-}" ]; then + NEWPKGS="$(without "$NEWPKGS" "$EXCLUDE_DEPENDENCY")" + fi + PKGS=$(echo "$PKGS $NEWPKGS" | tr ' ' '\n' | sort | uniq) + local REALPKGS="" + for s in $SUITE $EXTRA_SUITES; do + for c in ${COMPONENTS:-$(echo ${USE_COMPONENTS} | tr '|' ' ')}; do + local path="dists/$s/$c/binary-$ARCH/Packages" + local pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m1" "$path")" + REALPKGS="$REALPKGS $("$PKGDETAILS" PKGS REAL "$pkgdest" $PKGS | sed -n 's/ .*REAL.*$//p')" + done + done + PKGS="$REALPKGS" + ALLPKGS2=$(echo "$PKGS $ALLPKGS" | tr ' ' '\n' | sort | uniq) + PKGS=$(without "$ALLPKGS2" "$ALLPKGS") + ALLPKGS="$ALLPKGS2" + done + echo "$ALLPKGS" +} + +setup_available () { + local m1 c path pkgdest pkg + m1="${MIRRORS%% *}" + + for s in $SUITE $EXTRA_SUITES; do + for c in ${COMPONENTS:-$(echo ${USE_COMPONENTS} | tr '|' ' ')}; do + path="dists/$s/$c/binary-$ARCH/Packages" + pkgdest="$TARGET/$($DLDEST pkg "$s" "$c" "$ARCH" "$m1" "$path")" + # XXX: What if a package is in more than one component? + # -- cjwatson 2009-07-29 + # XXX: ...or suite? + # -- jrtc27 2019-06-11 + "$PKGDETAILS" STANZAS "$pkgdest" "$@" + done + done >"$TARGET/var/lib/dpkg/available" + + for pkg; do + echo "$pkg install" + done | in_target dpkg --set-selections +} + +get_next_predep () { + local stanza="$(in_target_nofail dpkg --predep-package)" + [ "$stanza" ] || return 1 + echo "$stanza" | grep '^Package:' | sed 's/^Package://; s/^ *//' +} + +################################################################### helpers + +# Return zero if it is possible to create devices and execute programs in +# this directory. (Both may be forbidden by mount options, e.g. nodev and +# noexec respectively.) +check_sane_mount () { + mkdir -p "$1" + + case "$HOST_OS" in + *freebsd*|hurd*) + ;; + *) + if ! doing_variant fakechroot; then + case "$CONTAINER" in + lxc|lxc-libvirt) + ;; + *) + mknod "$1/test-dev-null" c 1 3 || return 1 + if ! echo test > "$1/test-dev-null"; then + rm -f "$1/test-dev-null" + return 1 + fi + rm -f "$1/test-dev-null" + ;; + esac + fi + esac + + SH="/bin/sh" + [ -x "$SH" ] || SH="$(which sh)" + + cat > "$1/test-exec" < "b" "c" + (echo "$1" | tr ' ' '\n' | sort | uniq; + echo "$2" "$2" | tr ' ' '\n') | sort | uniq -u | tr '\n' ' ' + echo +} + +# Formerly called 'repeat', but that's a reserved word in zsh. +repeatn () { + local n="$1" + shift + while [ "$n" -gt 0 ]; do + if "$@"; then + break + else + n=$(( $n - 1 )) + sleep 1 + fi + done + if [ "$n" -eq 0 ]; then return 1; fi + return 0 +} + +N_EXIT_THINGS=0 +exit_function () { + local n=0 + while [ "$n" -lt "$N_EXIT_THINGS" ]; do + (eval $(eval echo \${EXIT_THING_$n}) 2>/dev/null || true) + n=$(( $n + 1 )) + done + N_EXIT_THINGS=0 +} + +trap "exit_function" 0 +trap "exit 129" 1 +trap "error 130 INTERRUPTED \"Interrupt caught ... exiting\"" 2 +trap "exit 131" 3 +trap "exit 143" 15 + +on_exit () { + eval "$(echo EXIT_THING_${N_EXIT_THINGS}=\"$1\")" + N_EXIT_THINGS=$(( $N_EXIT_THINGS + 1 )) +} + +############################################################## fakechroot tools + +install_fakechroot_tools () { + if [ "$VARIANT" = "fakechroot" ]; then + export PATH=/usr/sbin:/sbin:$PATH + fi + + mv "$TARGET/sbin/ldconfig" "$TARGET/sbin/ldconfig.REAL" + echo \ +"#!/bin/sh +echo +echo \"Warning: Fake ldconfig called, doing nothing\"" > "$TARGET/sbin/ldconfig" + chmod 755 "$TARGET/sbin/ldconfig" + + echo \ +"/sbin/ldconfig +/sbin/ldconfig.REAL +fakechroot" >> "$TARGET/var/lib/dpkg/diversions" + + mv "$TARGET/usr/bin/ldd" "$TARGET/usr/bin/ldd.REAL" + cat << 'END' > "$TARGET/usr/bin/ldd" +#!/usr/bin/perl + +# fakeldd +# +# Replacement for ldd with usage of objdump +# +# (c) 2003-2005 Piotr Roszatycki , BSD + + +my %libs = (); + +my $status = 0; +my $dynamic = 0; +my $biarch = 0; + +my $ldlinuxsodir = "/lib"; +my @ld_library_path = qw(/usr/lib /lib); + + +sub ldso($) { + my ($lib) = @_; + my @files = (); + + if ($lib =~ /^\//) { + $libs{$lib} = $lib; + push @files, $lib; + } else { + foreach my $ld_path (@ld_library_path) { + next unless -f "$ld_path/$lib"; + my $badformat = 0; + open OBJDUMP, "objdump -p $ld_path/$lib 2>/dev/null |"; + while (my $line = ) { + if ($line =~ /file format (\S*)$/) { + $badformat = 1 unless $format eq $1; + last; + } + } + close OBJDUMP; + next if $badformat; + $libs{$lib} = "$ld_path/$lib"; + push @files, "$ld_path/$lib"; + } + objdump(@files); + } +} + + +sub objdump(@) { + my (@files) = @_; + my @libs = (); + + foreach my $file (@files) { + open OBJDUMP, "objdump -p $file 2>/dev/null |"; + while (my $line = ) { + $line =~ s/^\s+//; + my @f = split (/\s+/, $line); + if ($line =~ /file format (\S*)$/) { + if (not $format) { + $format = $1; + if ($unamearch eq "x86_64" and $format eq "elf32-i386") { + my $link = readlink "/lib/ld-linux.so.2"; + if ($link =~ /^\/emul\/ia32-linux\//) { + $ld_library_path[-2] = "/emul/ia32-linux/usr/lib"; + $ld_library_path[-1] = "/emul/ia32-linux/lib"; + } + } elsif ($unamearch =~ /^(sparc|sparc64)$/ and $format eq "elf64-sparc") { + $ldlinuxsodir = "/lib64"; + $ld_library_path[-2] = "/usr/lib64"; + $ld_library_path[-1] = "/lib64"; + } + } else { + next unless $format eq $1; + } + } + if (not $dynamic and $f[0] eq "Dynamic") { + $dynamic = 1; + } + next unless $f[0] eq "NEEDED"; + if ($f[1] =~ /^ld-linux(\.|-)/) { + $f[1] = "$ldlinuxsodir/" . $f[1]; + } + if (not defined $libs{$f[1]}) { + $libs{$f[1]} = undef; + push @libs, $f[1]; + } + } + close OBJDUMP; + } + + foreach my $lib (@libs) { + ldso($lib); + } +} + + +if ($#ARGV < 0) { + print STDERR "fakeldd: missing file arguments\n"; + exit 1; +} + +while ($ARGV[0] =~ /^-/) { + my $arg = $ARGV[0]; + shift @ARGV; + last if $arg eq "--"; +} + +open LD_SO_CONF, "/etc/ld.so.conf"; +while ($line = ) { + chomp $line; + unshift @ld_library_path, $line; +} +close LD_SO_CONF; + +unshift @ld_library_path, split(/:/, $ENV{LD_LIBRARY_PATH}); + +$unamearch = "$(/bin/uname -m)"; +chomp $unamearch; + +foreach my $file (@ARGV) { + my $address; + %libs = (); + $dynamic = 0; + + if ($#ARGV > 0) { + print "$file:\n"; + } + + if (not -f $file) { + print STDERR "ldd: $file: No such file or directory\n"; + $status = 1; + next; + } + + objdump($file); + + if ($dynamic == 0) { + print "\tnot a dynamic executable\n"; + $status = 1; + } elsif (scalar %libs eq "0") { + print "\tstatically linked\n"; + } + + if ($format =~ /^elf64-/) { + $address = "0x0000000000000000"; + } else { + $address = "0x00000000"; + } + + foreach $lib (keys %libs) { + if ($libs{$lib}) { + printf "\t%s => %s (%s)\n", $lib, $libs{$lib}, $address; + } else { + printf "\t%s => not found\n", $lib; + } + } +} + +exit $status; +END + chmod 755 "$TARGET/usr/bin/ldd" + + echo \ +"/usr/bin/ldd +/usr/bin/ldd.REAL +fakechroot" >> "$TARGET/var/lib/dpkg/diversions" + +} -- cgit v1.2.3