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