tools/meson-vcs-tag.sh

   1 #!/usr/bin/env bash
   2
   3 set -eu
   4 set -o pipefail
   5
   6 dir="$1"
   7 tag="$2"
   8 fallback="$3"
   9
  10 if [ -n "$tag" ]; then
  11     echo "$tag"
  12     exit 0
  13 fi
  14
  15 # Apparently git describe has a bug where it always considers the work-tree
  16 # dirty when invoked with --git-dir (even though 'git status' is happy). Work
  17 # around this issue by cd-ing to the source directory.
  18 cd "$dir"
  19 # Check that we have either .git/ (a normal clone) or a .git file (a work-tree)
  20 # and that we don't get confused if a tarball is extracted in a higher-level
  21 # git repository.
  22 [ -e .git ] && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback"