# 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.
- if `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
+ echo "ok"
else
- false
+ echo ""
fi
}
generate_version() {
- if [ -f version.lisp-expr -a ! git_available_p ]
+ AVAILABLE=`git_available_p`
+ if [ -f version.lisp-expr -a -z "$AVAILABLE" ]
then
# Relase tarball, leave version.lisp-expr alone.
return
- elif [ ! git_available_p ]
+ elif [ -z "$AVAILABLE" ]
then
echo "Can't run 'git describe' and version.lisp-expr is missing." >&2
echo "To fix this, either install git or create a fake version.lisp-expr file." >&2
version_base=`git rev-parse "$version_root"`
version_tag=`git describe --tags --match="sbcl*" --abbrev=0 $version_base`
version_release=`echo $version_tag | sed -e 's/sbcl[_-]//' | sed -e 's/_/\./g'`
- version_n_root=`git rev-list $version_base --not $version_tag --count`
- version_n_branch=`git rev-list HEAD --not $version_base --count`
+ # Using wc -l instead of --count argument to rev-list because
+ # pre-1.7.2 Gits are still common out in the wilderness.
+ version_n_root=`git rev-list $version_base --not $version_tag | wc -l`
+ version_n_branch=`git rev-list HEAD --not $version_base | wc -l`
if [ -z "$NO_GIT_HASH_IN_VERSION" ]
then
version_hash="-`git rev-parse --short $version_head`"