yann@756: #!/bin/sh
yann@756: # Yes, this intends to be a true POSIX script file.
yann@1175: set -e
yann@756: 
yann@756: myname="$0"
yann@756: 
yann@1175: # Parse the tools' paths configuration
yann@1623: # It is expected that this script is only to be run from the
yann@1623: # source directory of crosstool-NG, so it is trivial to find
yann@1623: # paths.mk (we can't use  ". paths.mk", as POSIX states that
yann@1623: # $PATH should be searched for, and $PATH most probably doe
yann@1623: # not include "."), hence the "./".
yann@1623: . "./paths.mk"
yann@1175: 
yann@756: doUsage() {
yann@756:   cat <<_EOF_
yann@1622: Usage: ${myname} <src_dir> <dst_dir> <base> <inc> [sed_re]
yann@1622:     Renumbers all patches found in 'src_dir', starting at 'base', with an
yann@1622:     increment of 'inc', and puts the renumbered patches in 'dst_dir'.
yann@1622:     Leading digits are replaced with the new indexes, and a subsequent '_'
yann@1622:     is replaced with a '-'.
yann@1608:     If 'sed_re' is given, it is interpreted as a valid sed expression, and
yann@1622:     is be applied to the patch name.
yann@1622:     If the environment variable FAKE is set to 'y', then nothing gets done,
yann@1622:     the command to run is only be printed, and not executed (so you can
yann@1622:     check beforehand).
yann@1622:     'dst_dir' must not yet exist.
yann@1608:     Eg.:
yann@1622:       patch-renumber.sh patches/gcc/4.2.3 patches/gcc/4.2.4 100 10
yann@1622:       patch-renumber.sh /some/dir/my-patches patches/gcc/4.3.1 100 10 's/(all[_-])*(gcc[-_])*//;'
yann@756: _EOF_
yann@756: }
yann@756: 
yann@1622: [ $# -lt 4 -o $# -gt 5 ] && { doUsage; exit 1; }
yann@756: 
yann@1622: src="${1}"
yann@1622: dst="${2}"
yann@1622: cpt="${3}"
yann@1622: inc="${4}"
yann@1622: sed_re="${5}"
yann@1622: if [ ! -d "${src}" ]; then
yann@1622:     printf "%s: '%s': not a directory\n" "${myname}" "${src}"
yann@1622:     exit 1
yann@1622: fi
yann@1622: if [ -d "${dst}" ]; then
yann@1622:     printf "%s: '%s': directory already exists\n" "${myname}" "${dst}"
yann@1622:     exit 1
yann@1608: fi
yann@1608: 
yann@1622: Q=
yann@1622: if [ -n "${FAKE}" ]; then
yann@1622:     printf "%s: won't do anything: FAKE='%s'\n" "${myname}" "${FAKE}"
yann@1622:     Q="echo"
yann@1622: fi
yann@1622: 
yann@1622: ${Q} mkdir -pv "${dst}"
yann@1622: for p in "${src}/"*.patch*; do
yann@756:     [ -e "${p}" ] || { echo "No such file '${p}'"; exit 1; }
yann@1608:     newname="$(printf "%03d-%s"                                     \
yann@1608:                       "${cpt}"                                      \
yann@1608:                       "$( basename "${p}"                           \
yann@1608:                           |"${sed}" -r -e 's/^[[:digit:]]+[-_]//'   \
yann@1608:                                        -e "${sed_re}"               \
yann@1608:                         )"                                          \
yann@1192:               )"
yann@1622:     ${Q} cp -v "${p}" "${dst}/${newname}"
yann@756:     cpt=$((cpt+inc))
yann@756: done