get: adjust for python 3 and test there

[bup.git] / configure-version

diff --git a/configure-version b/configure-version
index 87126b7ea855888bbf6c38c3dea48bd4c66a5934..0ce6101622179caae99ae3a535424a8361a8f28e 100755 (executable)
--- a/configure-version
+++ b/configure-version
@@ -1,31 +1,64 @@
 #!/usr/bin/env bash
 
-set -eo pipefail
+set -euo pipefail
 
 top="$(pwd)"
-vpy=lib/bup/_version.py
-readonly top vpy
+readonly top
 
 usage()
 {
     echo 'Usage: ./configure-version [--update | --clean]'
 }
 
+update-cpy()
+{
+    declare -r cpy=lib/bup/_checkout.py
+    rm -f $cpy.tmp-$$
+    local hash date desc
+    hash=$(git log -1 --pretty=format:%H)
+    date=$(git log -1 --pretty=format:%ci)
+    desc=$(git describe --always --match="[0-9]*")
+    cat > $cpy.tmp-$$ <<-EOF
+       COMMIT='$hash'
+       NAMES='(tag: $desc)'
+       DATE='$date'
+       EOF
+    if ! test -e $cpy || ! cmp -s $cpy $cpy.tmp-$$; then
+        mv $cpy.tmp-$$ $cpy;
+    fi
+    rm -f $cpy.tmp-$$
+}
+
 if test "$#" -ne 1; then
     usage 1>&2; exit 1
 fi
 
+if ! test -f lib/bup/bupsplit.c; then
+    echo 'error: cannot find bup source tree' 1>&2
+    exit 1
+fi
+
 case "$1" in
     --update)
-        rm -f $vpy.tmp-$$
-        ./format-subst.pl $vpy.pre > $vpy.tmp-$$
-        if ! test -e $vpy || ! cmp -s $vpy $vpy.tmp-$$; then
-            mv $vpy.tmp-$$ $vpy;
-        fi
-        rm -f $vpy.tmp-$$
+        rc=0
+        grep -q -F '$Format' lib/bup/_release.py || rc=$?
+        case $rc in
+            0) update-cpy
+               ;;
+            1) if test -d .git; then
+                   echo 'error: detected release, but found ./.git' 1>&2
+                   exit 1
+               fi
+               echo "Detected release tree; skipping version configuration" 1>&2
+               exit 0
+               ;;
+            *)
+                echo 'error: grep failed' 1>&2
+                exit 1
+        esac
         ;;
     --clean)
-       rm -f lib/bup/_version.py lib/bup/_version.pyc lib/bup/_version.py.tmp-*
+       rm -f lib/bup/_checkout.py lib/bup/_checkout.pyc lib/bup/_checkout.py.tmp-*
         ;;
     *)
         usage 1>&2; exit 1