X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=generate-version.sh;h=fdfa3819e8bf04b044a165cfd22712f3dce32c33;hb=19180214a7fd95ab467020469b7182f5ac62bcde;hp=22ed0a488c37898f9c1d93a359f01fef4bf5a8ea;hpb=0e3fa65c2cd2aac4a4ed60a00f74bffa02e47107;p=sbcl.git

diff --git a/generate-version.sh b/generate-version.sh
index 22ed0a4..fdfa381 100755
--- a/generate-version.sh
+++ b/generate-version.sh
@@ -2,30 +2,21 @@
 # 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
@@ -44,8 +35,10 @@ generate_version() {
     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`"