scripts/patch-renumber.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Jan 22 22:35:43 2011 +0100 (2011-01-22)
changeset 2275 9ab4392430ad
parent 1622 9ad2a3fd1fcc
child 2838 822af73497bf
permissions -rwxr-xr-x
scripts: PARALLELMFLAGS is evil, rename

The reunification of the glibc/eglibc code paths exposed a nasty
bug in the glibc build: use of PARALLELMFLAGS breaks the build.

See the explanations in that bug report against FC6:
https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=212111

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 #!/bin/sh
     2 # Yes, this intends to be a true POSIX script file.
     3 set -e
     4 
     5 myname="$0"
     6 
     7 # Parse the tools' paths configuration
     8 # It is expected that this script is only to be run from the
     9 # source directory of crosstool-NG, so it is trivial to find
    10 # paths.mk (we can't use  ". paths.mk", as POSIX states that
    11 # $PATH should be searched for, and $PATH most probably doe
    12 # not include "."), hence the "./".
    13 . "./paths.mk"
    14 
    15 doUsage() {
    16   cat <<_EOF_
    17 Usage: ${myname} <src_dir> <dst_dir> <base> <inc> [sed_re]
    18     Renumbers all patches found in 'src_dir', starting at 'base', with an
    19     increment of 'inc', and puts the renumbered patches in 'dst_dir'.
    20     Leading digits are replaced with the new indexes, and a subsequent '_'
    21     is replaced with a '-'.
    22     If 'sed_re' is given, it is interpreted as a valid sed expression, and
    23     is be applied to the patch name.
    24     If the environment variable FAKE is set to 'y', then nothing gets done,
    25     the command to run is only be printed, and not executed (so you can
    26     check beforehand).
    27     'dst_dir' must not yet exist.
    28     Eg.:
    29       patch-renumber.sh patches/gcc/4.2.3 patches/gcc/4.2.4 100 10
    30       patch-renumber.sh /some/dir/my-patches patches/gcc/4.3.1 100 10 's/(all[_-])*(gcc[-_])*//;'
    31 _EOF_
    32 }
    33 
    34 [ $# -lt 4 -o $# -gt 5 ] && { doUsage; exit 1; }
    35 
    36 src="${1}"
    37 dst="${2}"
    38 cpt="${3}"
    39 inc="${4}"
    40 sed_re="${5}"
    41 if [ ! -d "${src}" ]; then
    42     printf "%s: '%s': not a directory\n" "${myname}" "${src}"
    43     exit 1
    44 fi
    45 if [ -d "${dst}" ]; then
    46     printf "%s: '%s': directory already exists\n" "${myname}" "${dst}"
    47     exit 1
    48 fi
    49 
    50 Q=
    51 if [ -n "${FAKE}" ]; then
    52     printf "%s: won't do anything: FAKE='%s'\n" "${myname}" "${FAKE}"
    53     Q="echo"
    54 fi
    55 
    56 ${Q} mkdir -pv "${dst}"
    57 for p in "${src}/"*.patch*; do
    58     [ -e "${p}" ] || { echo "No such file '${p}'"; exit 1; }
    59     newname="$(printf "%03d-%s"                                     \
    60                       "${cpt}"                                      \
    61                       "$( basename "${p}"                           \
    62                           |"${sed}" -r -e 's/^[[:digit:]]+[-_]//'   \
    63                                        -e "${sed_re}"               \
    64                         )"                                          \
    65               )"
    66     ${Q} cp -v "${p}" "${dst}/${newname}"
    67     cpt=$((cpt+inc))
    68 done