makeversion

   1 #!/bin/sh
   2
   3 # this script creates version.cpp containing version and other compile-time
   4 # information.  it expects to get the source directory as only argument.
   5
   6 output=version.cpp
   7
   8 src=$1
   9 test "$src" = '' && src=.
  10
  11 date=`date --utc +%Y-%m-%d`
  12 commit=`( cd "$src"; git rev-parse HEAD 2> /dev/null; )`
  13 if test "$commit" != ''; then
  14         ( cd "$src"; git diff --quiet HEAD; ) || commit="$commit-dirty"
  15 else
  16         commit=unknown
  17 fi
  18 cat > "$output-new" <<EOF
  19 #include "common.h"
  20 const char *recorderCommit = "$commit";
  21 const char *recorderDate = "$date";
  22 EOF
  23
  24 if test -e "$output" && diff -q "$output" "$output-new" > /dev/null 2>&1; then
  25         rm "$output-new"
  26 else
  27         mv "$output-new" "$output"
  28 fi
  29