common/hooks/pre-pkg/04-generate-runtime-deps.sh

   1 # vim: set ts=4 sw=4 et:
   2 #
   3 # This hook executes the following tasks:
   4 #       - Generates rdeps file with run-time dependencies for xbps-create(1)
   5 #       - Generates shlib-requires file for xbps-create(1)
   6
   7 add_rundep() {
   8     local dep="$1" i= rpkgdep= _depname= found=
   9
  10     _depname="$($XBPS_UHELPER_CMD getpkgdepname ${dep} 2>/dev/null)"
  11     if [ -z "${_depname}" ]; then
  12         _depname="$($XBPS_UHELPER_CMD getpkgname ${dep} 2>/dev/null)"
  13     fi
  14
  15     for i in ${run_depends}; do
  16         rpkgdep="$($XBPS_UHELPER_CMD getpkgdepname $i 2>/dev/null)"
  17         if [ -z "$rpkgdep" ]; then
  18             rpkgdep="$($XBPS_UHELPER_CMD getpkgname $i 2>/dev/null)"
  19         fi
  20         if [ "${rpkgdep}" != "${_depname}" ]; then
  21             continue
  22         fi
  23         $XBPS_UHELPER_CMD cmpver "$i" "$dep"
  24         rval=$?
  25         if [ $rval -eq 255 ]; then
  26             run_depends="${run_depends/${i}/${dep}}"
  27         fi
  28         found=1
  29     done
  30     if [ -z "$found" ]; then
  31         run_depends+=" ${dep}"
  32     fi
  33 }
  34
  35 store_pkgdestdir_rundeps() {
  36         if [ -n "$run_depends" ]; then
  37             for f in ${run_depends}; do
  38                 _curdep="$(echo "$f" | sed -e 's,\(.*\)?.*,\1,')"
  39                 if [ -z "$($XBPS_UHELPER_CMD getpkgdepname ${_curdep} 2>/dev/null)" -a \
  40                      -z "$($XBPS_UHELPER_CMD getpkgname ${_curdep} 2>/dev/null)" ]; then
  41                     _curdep="${_curdep}>=0"
  42                 fi
  43                 printf "%s " "${_curdep}"
  44             done > "${PKGDESTDIR}/rdeps"
  45         fi
  46 }
  47
  48 hook() {
  49     local depsftmp f lf j mapshlibs sorequires _curdep elfmagic broken_shlibs verify_deps
  50     local _shlib_dir="${XBPS_STATEDIR}/shlib-provides"
  51
  52     # Disable trap on ERR, xbps-uhelper cmd might return error... but not something
  53     # to be worried about because if there are broken shlibs this hook returns
  54     # error via msg_error().
  55     trap - ERR
  56
  57     mapshlibs=$XBPS_COMMONDIR/shlibs
  58
  59     if [ -n "$noverifyrdeps" ]; then
  60         store_pkgdestdir_rundeps
  61         return 0
  62     fi
  63
  64     depsftmp=$(mktemp) || exit 1
  65     find ${PKGDESTDIR} -type f -perm -u+w > $depsftmp 2>/dev/null
  66
  67     for f in ${shlib_requires}; do
  68         verify_deps+=" ${f}"
  69     done
  70
  71     exec 3<&0 # save stdin
  72     exec < $depsftmp
  73     while read -r f; do
  74         lf=${f#${PKGDESTDIR}}
  75             if [ "${skiprdeps/${lf}/}" != "${skiprdeps}" ]; then
  76                     msg_normal "Skipping dependency scan for ${lf}\n"
  77                     continue
  78             fi
  79         read -n4 elfmagic < "$f"
  80         if [ "$elfmagic" = $'\177ELF' ]; then
  81             for nlib in $($OBJDUMP -p "$f"|awk '/NEEDED/{print $2}'); do
  82                 [ -z "$verify_deps" ] && verify_deps="$nlib" && continue
  83                 found=0
  84                 for j in ${verify_deps}; do
  85                     [[ $j == $nlib ]] && found=1 && break
  86                 done
  87                 [[ $found -eq 0 ]] && verify_deps="$verify_deps $nlib"
  88             done
  89         fi
  90     done
  91     exec 0<&3 # restore stdin
  92     rm -f $depsftmp
  93
  94     #
  95     # Add required run time packages by using required shlibs resolved
  96     # above, the mapping is done thru the common/shlibs file.
  97     #
  98     for f in ${verify_deps}; do
  99         unset _rdep _pkgname _rdepver
 100
 101         local _findargs="-name"
 102         # if SONAME is a path, find should use -wholename
 103         if [[ "$f" = */* ]]; then
 104             _findargs="-wholename"
 105         fi
 106         if [ "$(find "${PKGDESTDIR}" $_findargs "$f")" ]; then
 107             # Ignore libs by current pkg
 108             echo "   SONAME: $f <-> $pkgname (ignored)"
 109             continue
 110         # If this library is provided by a subpkg of sourcepkg, use that subpkg
 111         elif _pkgname="$(cd "$_shlib_dir" && grep -F -l -x "$f" *.soname 2>/dev/null)"; then
 112             # If that library has SONAME, add it to shlibs-requires, too.
 113             _pkgname=${_pkgname%.soname}
 114             _sdep="${_pkgname}-${version}_${revision}"
 115             sorequires+="${f} "
 116         elif _pkgname="$(cd "$_shlib_dir" && grep -F -l -x "$f" *.nosoname 2>/dev/null)"; then
 117             _pkgname=${_pkgname%.nosoname}
 118             _sdep="${_pkgname}-${version}_${revision}"
 119         else
 120             _rdep="$(awk -v sl="$f" '$1 == sl { print $2; exit; }' "$mapshlibs")"
 121
 122             if [ -z "$_rdep" ]; then
 123                 msg_red_nochroot "   SONAME: $f <-> UNKNOWN PKG PLEASE FIX!\n"
 124                 broken_shlibs=1
 125                 continue
 126             fi
 127             _pkgname=$($XBPS_UHELPER_CMD getpkgname "${_rdep}" 2>/dev/null)
 128             _rdepver=$($XBPS_UHELPER_CMD getpkgversion "${_rdep}" 2>/dev/null)
 129             if [ -z "${_pkgname}" -o -z "${_rdepver}" ]; then
 130                 msg_red_nochroot "   SONAME: $f <-> UNKNOWN PKG PLEASE FIX!\n"
 131                 broken_shlibs=1
 132                 continue
 133             fi
 134             _sdep="${_pkgname}>=${_rdepver}"
 135
 136             # By this point, SONAME can't be found in current pkg
 137             sorequires+="${f} "
 138         fi
 139         echo "   SONAME: $f <-> ${_sdep}"
 140         add_rundep "${_sdep}"
 141     done
 142     #
 143     # If pkg uses any unknown SONAME error out.
 144     #
 145     if [ -n "$broken_shlibs" -a -z "$allow_unknown_shlibs" ]; then
 146         msg_error "$pkgver: cannot guess required shlibs, aborting!\n"
 147     fi
 148
 149     store_pkgdestdir_rundeps
 150
 151     if [ -n "${sorequires}" ]; then
 152         echo "${sorequires}" | xargs -n1 | sort | xargs > ${PKGDESTDIR}/shlib-requires
 153     fi
 154 }