gcc/contrib/git-descr.sh
Martin Liska 9cbfbe2497 contrib: Put gcc-descr and gcc-undescr to file.
contrib/ChangeLog:

	* git-descr.sh: New file.
	* git-undescr.sh: New file.
	Support optional arguments --long, --short and default
	to 14 characters of git hash.
	* gcc-git-customization.sh: Use the created files.

Co-Authored-By: Martin Jambor <mjambor@suse.cz>
2022-01-27 18:44:47 +01:00

38 lines
1.2 KiB
Bash
Executable File

#!/bin/sh
# Script to describe a GCC revision based on git hash
short=no
long=no
c=master
for arg in "$@"
do
case "$arg" in
--short) short=yes long=no
;;
--long|--full) long=yes short=no
;;
*) c=$arg
esac
done
if test x$short = xyes; then
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-\([0-9]\+\)$,r\2-0,p');
elif test x$long = xyes; then
r=$(git describe --all --abbrev=40 --match 'basepoints/gcc-[0-9]*' $c | sed -n 's,^\(tags/\)\?basepoints/gcc-,r,p')
else
r=$(git describe --all --abbrev=14 --match 'basepoints/gcc-[0-9]*' $c | sed -n 's,^\(tags/\)\?basepoints/gcc-,r,p');
expr match ${r:-no} 'r[0-9]\+$' >/dev/null && r=${r}-0-g$(git rev-parse $c);
fi;
if test -n $r; then
o=$(git config --get gcc-config.upstream);
rr=$(echo $r | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p');
if git rev-parse --verify --quiet ${o:-origin}/releases/gcc-$rr >/dev/null; then
m=releases/gcc-$rr;
else
m=master;
fi;
git merge-base --is-ancestor $c ${o:-origin}/$m && echo ${r};
fi;