auxprogs/make_or_upd_vgversion_h

   1 #!/bin/sh
   2
   3 extract_git_version()
   4 {
   5     PREVPWD="$PWD"
   6     cd "$1"
   7     if [ -d ./.git ] || git rev-parse --is-inside-work-tree > /dev/null 2> /dev/null
   8     then
   9         REV=$(git show --format=%H#%ci -s $(git rev-parse HEAD) |
  10                      sed -e 's/ .*//' -e 's/[0-9a-f]\{30\}#/#/' -e 's/-//g' \
  11                          -e 's/#/-/')
  12         X=$(git status -s -uno | sed -e 's/.*/X/' | uniq)
  13         echo $REV$X
  14     else
  15         echo "unknown"
  16     fi
  17     cd "$PREVPWD"
  18 }
  19
  20 srcdir="${1:-.}"
  21
  22 if [ -e "$srcdir"/include/vgversion_dist.h ]
  23 then
  24     cp "$srcdir"/include/vgversion_dist.h include/vgversion.h.tmp
  25 else
  26     cat > include/vgversion.h.tmp <<EOF
  27 /* Do not edit: file generated by auxprogs/make_or_upd_vgversion_h.
  28    This file defines VGGIT, used to report GIT revision
  29    when using command line options:  -v --version
  30    The produced VGGIT format is
  31       hhhhhhhhhh-YYYYMMDDX
  32    where hhhhhhhhhh is the first 10 characters of the HEAD commit
  33          YYYYMMDD is the commit date
  34          Trailing X is present if there are any (non untracked) modified files.
  35 */
  36 #define VGGIT "$(extract_git_version .)"
  37 EOF
  38 fi
  39
  40 if [ -f include/vgversion.h ]
  41 then
  42     # There is already a vgversion.h.
  43     # Update it only if we found a different and real git version
  44     if grep -q unknown include/vgversion.h.tmp ||
  45        cmp -s include/vgversion.h include/vgversion.h.tmp
  46     then
  47         rm -f include/vgversion.h.tmp
  48     else
  49         mv include/vgversion.h.tmp include/vgversion.h
  50     fi
  51 else
  52     # There is no vgversion.h. Use the one just generated, whatever it is.
  53     mv include/vgversion.h.tmp include/vgversion.h
  54 fi