[gcc r12-7536] contrib: Fix gcc-descr script [PR102664]

[gcc r12-7536] contrib: Fix gcc-descr script [PR102664]

[Jonathan Wakely]

https://gcc.gnu.org/g:10ecf5182a0f63d79a44b953483ecfbb54d29bcb

commit r12-7536-g10ecf5182a0f63d79a44b953483ecfbb54d29bcb
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Mar 8 16:44:17 2022 +0000

    contrib: Fix gcc-descr script [PR102664]
    
    POSIX expr does not support the 'match' keyword, so the git-descr.sh
    scripts should use ':' instead.
    
    contrib/ChangeLog:
    
            PR other/102664
            * git-descr.sh: Use portable form of expr match.

Diff:
---
 contrib/git-descr.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/git-descr.sh b/contrib/git-descr.sh
index eb258148a66..ba5d711f330 100755
--- a/contrib/git-descr.sh
+++ b/contrib/git-descr.sh
@@ -23,7 +23,7 @@ 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);
+    expr ${r:-no} : 'r[0-9]\+$' >/dev/null && r=${r}-0-g$(git rev-parse $c);
 fi;
 if test -n $r; then
     o=$(git config --get gcc-config.upstream);