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scripts/installer.sh: use expr for regex matches.

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=~ doesn't work in posix shell, only in bash, and we don't use bash.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2021-10-19 19:31:26 -07:00 committed by Dave Anderson
parent 7ce9c7ce84
commit 1b4e007425
1 changed files with 2 additions and 2 deletions
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4
scripts/installer.sh
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@ -38,7 +38,7 @@ main() {
PACKAGETYPE="apt"
# Third-party keyrings became the preferred method of
# installation in Ubuntu 20.04.
if [ "$VERSION_ID" =~ ^2 ]; then
if expr "$VERSION_ID" : "2.*" >/dev/null; then
APT_KEY_TYPE="keyring"
else
APT_KEY_TYPE="legacy"
@ -72,7 +72,7 @@ main() {
OS="$ID"
VERSION="$VERSION_ID"
PACKAGETYPE="dnf"
if [ "$VERSION" =~ ^7 ]; then
if expr "$VERSION" : "7.*" >/dev/null; then
PACKAGETYPE="yum"
fi
;;