1#!/bin/sh 2 3# Script to describe a GCC revision based on git hash 4 5short=no 6long=no 7c=master 8 9for arg in "$@" 10do 11 case "$arg" in 12 --short) short=yes long=no 13 ;; 14 --long|--full) long=yes short=no 15 ;; 16 *) c=$arg 17 esac 18done 19 20if test x$short = xyes; then 21 r=$(git describe --all --match 'basepoints/gcc-[0-9]*' $c | sed -n 's,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)-\([0-9]\+\)-g[0-9a-f]*$,r\2-\3,p;s,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)$,r\2-0,p'); 22elif test x$long = xyes; then 23 r=$(git describe --all --abbrev=40 --match 'basepoints/gcc-[0-9]*' $c | sed -n 's,^\(tags/\)\?basepoints/gcc-,r,p') 24else 25 r=$(git describe --all --abbrev=14 --match 'basepoints/gcc-[0-9]*' $c | sed -n 's,^\(tags/\)\?basepoints/gcc-,r,p'); 26 expr match ${r:-no} 'r[0-9]\+$' >/dev/null && r=${r}-0-g$(git rev-parse $c); 27fi; 28if test -n $r; then 29 o=$(git config --get gcc-config.upstream); 30 rr=$(echo $r | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p'); 31 if git rev-parse --verify --quiet ${o:-origin}/releases/gcc-$rr >/dev/null; then 32 m=releases/gcc-$rr; 33 else 34 m=master; 35 fi; 36 git merge-base --is-ancestor $c ${o:-origin}/$m && echo ${r}; 37fi; 38