From 0fd1ec424a7e5969a76a2531e42a6b2621e63c11 Mon Sep 17 00:00:00 2001 From: Nikodemus Siivola Date: Mon, 6 Jun 2011 19:13:06 +0300 Subject: [PATCH] check that git supports --count with rev-list git rev-list --count is probably the newest git feature we use in the build, so check that it works and complain if not. --- generate-version.sh | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/generate-version.sh b/generate-version.sh index bfd7f1c..10dcc5b 100755 --- a/generate-version.sh +++ b/generate-version.sh @@ -2,7 +2,22 @@ # Not a shell script, but something intended to be sourced from shell scripts git_available_p() { # Check that (1) we have git (2) this is a git tree. - (which git >/dev/null 2>/dev/null && git describe >/dev/null 2>/dev/null) + if (which git >/dev/null 2>/dev/null && git describe >/dev/null 2>/dev/null) + then + # Check that some of the newer git versions we use are supported. + if [ "0" != "$(git rev-list HEAD --not HEAD --count 2> /dev/null)" ] + then + echo "Too old a git installation." + echo + echo "Your git doesn't support --count option with git rev-list," + echo "which SBCL build requires. Git 1.7.2 or later should work." + exit 1 + else + true + fi + else + false + fi } generate_version() { -- 1.7.10.4