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-rwxr-xr-xtools/meson-vcs-tag.sh18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/meson-vcs-tag.sh b/tools/meson-vcs-tag.sh
new file mode 100755
index 0000000..c8033d0
--- /dev/null
+++ b/tools/meson-vcs-tag.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -eu
+set -o pipefail
+
+dir="$1"
+tag="$2"
+fallback="$3"
+
+if [ -n "$tag" ]; then
+ echo "$tag"
+ exit 0
+fi
+
+# Apparently git describe has a bug where it always considers the work-tree
+# dirty when invoked with --git-dir (even though 'git status' is happy). Work
+# around this issue by cd-ing to the source directory.
+cd "$dir" && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback"