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Diffstat (limited to 'colm/colm-wrap.sh')
| -rw-r--r-- | colm/colm-wrap.sh | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/colm/colm-wrap.sh b/colm/colm-wrap.sh new file mode 100644 index 00000000..a255f4bb --- /dev/null +++ b/colm/colm-wrap.sh @@ -0,0 +1,78 @@ +#!/bin/bash +# + +# This wrapper around the colm program (and bootstrap programs) allows us to +# limit ourselves to one output file per makefile rule. It packs up multiple +# colm output files into one pack file, which is used as an intermediate file. +# We can extract the individual files from the pack one at a time, in separate +# rules. +# +# Ultimately this functionality should be rolled into the colm program itself. +# Until that is complete, this wrapper exists. +# + +unset CMD +unset ARGS +unset OUTPUT +unset PACKS + +while getopts "w:p:o:e:x:RcD:I:L:vdlirS:M:vHh?-:sVa:m:b:E:" opt; do + + # For the colm wrapper case. + case "$opt" in + w) + # Which command to wrap. + CMD=$OPTARG + ;; + o) + # Pack file name. For wrapping. + OUTPUT=$OPTARG + ;; + [pexm]) + ARGS="$ARGS -$opt $OPTARG.pack" + PACKS="$PACKS $OPTARG.pack" + ;; + [DILSMambE-]) ARGS="$ARGS -$opt $OPTARG" ;; + [RcvdlirvHhsV]) ARGS="$ARGS -$opt" ;; + ?) + exit 1; + ;; + esac +done + +# Shift over the args. +shift $((OPTIND - 1)); + +INPUT="$1" +if [ -z "$INPUT" ]; then + echo colm-wrap: no input file given >&2 + exit 1 +fi + +if [ -z "$OUTPUT" ]; then + echo colm-wrap: no output file given >&2 + exit 1 +fi + +# Default command to colm. +if [ "${INPUT%.pack}" != "$INPUT" ]; then + tar -xmf "$INPUT" "$OUTPUT" + EXIT_STATUS=$? +else + CMD=${CMD:=colm} + if [ "`basename $0`" != "$0" ] && [ -x "`dirname $0`/$CMD" ]; then + COLM="`dirname $0`/$CMD" + else + COLM=@prefix@/bin/$CMD + fi + + $COLM $ARGS "$INPUT" + EXIT_STATUS=$? + if [ $EXIT_STATUS = 0 ]; then + tar --transform 's/.pack$//' -cf "$OUTPUT" $PACKS + fi + rm -f $PACKS +fi + +exit $EXIT_STATUS + |