1 files changed, 37 insertions, 0 deletions
diff --git a/tools/build/print_so_versions.sh b/tools/build/print_so_versions.sh
new file mode 100755
index 0000000..a3c4ecd
--- /dev/null
+++ b/tools/build/print_so_versions.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Take a .so file as input and print the Debian packages and versions of the
+# libraries it links.
+
+set -euo pipefail
+# set -x
+
+source /etc/os-release
+
+sofile="$1"
+
+case "$ID" in
+    alpine)
+        depfiles=$( (ldd "$sofile" 2>/dev/null || true) | grep '=>' | sed 's/.*=> \(.*\) (.*)/\1/')
+        (for depfile in $depfiles; do
+             echo "$(basename "$depfile") => $(apk info --who-owns "${depfile}" | awk '{print $(NF)}')"
+        done) | sort | uniq
+        ;;
+
+    debian)
+        depfiles=$(ldd "$sofile" | grep '=>' | sed 's/.*=> \(.*\) (.*)/\1/')
+        (for depfile in $depfiles; do
+            pkgname=$(dpkg -S "${depfile}" | sed 's/\(\): .*/\1/')
+            dpkg -l "${pkgname}" | grep '^ii' | awk '{print $2 " => " $3}'
+        done) | sort | uniq
+        ;;
+
+    centos)
+        echo "TODO!"
+        ;;
+
+    *)
+        echo "$0: unexpected Linux distribution: '$ID'" >&2
+        exit 1
+        ;;
+esac