git.ozlabs.org Git - petitboot/blob - version.sh

   1 #! /bin/bash
   2 #
   3 # version.sh: create a version string for use by configure.ac
   4
   5 version=
   6 datefmt='%Y%m%d'
   7
   8 export GIT_DIR=$(dirname $0)/.git/
   9
  10 if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
  11
  12         suffix=''
  13         # Add a '-dirty' suffix for uncommitted changes.
  14         if git diff-index HEAD | read dummy; then
  15                 suffix=-dirty
  16         fi
  17
  18         tag=$(git describe --tags 2>/dev/null)
  19         version=$(printf "%s%s" ${tag} ${suffix})
  20 else
  21         # Check if a specific version is set, eg: by buildroot
  22         if [ ! -z "$PETITBOOT_VERSION" ];
  23         then
  24                 # Full git hash
  25                 len=$(echo -n "${PETITBOOT_VERSION}" | wc -c)
  26                 if [[ ${len} == 40 ]]; then
  27                         version=`echo -n ${PETITBOOT_VERSION} | \
  28                                 sed "s/^\([0-9a-f]\{7\}\).*/\1/;"`
  29                 else
  30                         version="$PETITBOOT_VERSION"
  31                 fi
  32         else
  33                 # Default to current date and time.
  34                 version="$(date +dev.$datefmt)"
  35         fi
  36 fi
  37
  38 echo $version