| #!/bin/sh |
| |
| # Script to undescribe a GCC revision |
| |
| o=$(git config --get gcc-config.upstream); |
| r=$(echo $1 | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p'); |
| n=$(echo $1 | sed -n 's,^r[0-9]\+-\([0-9]\+\)\(-g[0-9a-f]\+\)\?$,\1,p'); |
| |
| test -z $r && echo Invalid id $1 && exit 1; |
| h=$(git rev-parse --verify --quiet ${o:-origin}/releases/gcc-$r); |
| test -z $h && h=$(git rev-parse --verify --quiet ${o:-origin}/master); |
| p=$(git describe --all --match 'basepoints/gcc-'$r $h | sed -n 's,^\(tags/\)\?basepoints/gcc-[0-9]\+-\([0-9]\+\)-g[0-9a-f]*$,\2,p;s,^\(tags/\)\?basepoints/gcc-[0-9]\+$,0,p'); |
| git rev-parse --verify $h~$(expr $p - $n); |
