diff options
Diffstat (limited to 'scripts/make_gitrev.sh')
| -rwxr-xr-x | scripts/make_gitrev.sh | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/scripts/make_gitrev.sh b/scripts/make_gitrev.sh index 8db4de931..f5c743b13 100755 --- a/scripts/make_gitrev.sh +++ b/scripts/make_gitrev.sh @@ -27,10 +27,21 @@ set -e -u +dist=no +distdir=. +while getopts D: flag +do + case $flag in + \?) echo "Usage: $0 [-D distdir] [file]" >&2; exit 1;; + D) dist=yes; distdir=${OPTARG};; + esac +done +shift $((OPTIND - 1)) + top_srcdir="$(dirname "$0")/.." GITREV="${1:-include/zfs_gitrev.h}" -# GITREV should be a relative path (relative to top_builddir) +# GITREV should be a relative path (relative to top_builddir or distdir) case "${GITREV}" in /*) echo "Error: ${GITREV} should be a relative path" >&2 exit 1;; @@ -38,10 +49,27 @@ esac ZFS_GITREV=$({ cd "${top_srcdir}" && git describe --always --long --dirty 2>/dev/null; } || :) + +if [ "x${ZFS_GITREV}" = x ] +then + # If the source directory is not a git repository, check if the file + # already exists (in the source) + if [ -f "${top_srcdir}/${GITREV}" ] + then + ZFS_GITREV="$(sed -n \ + '1s/^#define[[:blank:]]ZFS_META_GITREV "\([^"]*\)"$/\1/p' \ + "${top_srcdir}/${GITREV}")" + fi +elif [ ${dist} = yes ] +then + # Append -dist when creating distributed sources from a git repository + ZFS_GITREV="${ZFS_GITREV}-dist" +fi ZFS_GITREV=${ZFS_GITREV:-unknown} GITREVTMP="${GITREV}~" printf '#define\tZFS_META_GITREV "%s"\n' "${ZFS_GITREV}" >"${GITREVTMP}" +GITREV="${distdir}/${GITREV}" if cmp -s "${GITREV}" "${GITREVTMP}" then rm -f "${GITREVTMP}" |