From c93db27ba8cc97cccd96dfde46d15f040afbc7f4 Mon Sep 17 00:00:00 2001
From: Alfonso Acosta <alfonso@stellar.org>
Date: Tue, 12 Dec 2023 17:27:28 -0500
Subject: [PATCH] Fix dependency-check script to support crate versions

---
 scripts/check-dependencies.bash | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/scripts/check-dependencies.bash b/scripts/check-dependencies.bash
index 470ac65ec..7415e3950 100755
--- a/scripts/check-dependencies.bash
+++ b/scripts/check-dependencies.bash
@@ -8,7 +8,6 @@ if [ -z "$(sed --version 2>&1 | grep GNU)" ]; then
 fi
 
 CURL="curl -sL --fail-with-body"
-CARGO_PACKAGE_REVISION_EXTRACT_SED_COMMAND='s/.*rev=\(.*\)#.*/\1/'
 
 if ! CARGO_OUTPUT=$(cargo tree -p soroban-env-host 2>&1); then
   echo "The project depends on multiple versions of the soroban-env-host Rust library, please unify them."
@@ -31,9 +30,28 @@ RS_STELLAR_XDR_REVISION=""
 # revision of https://github.com/stellar/stellar-xdr/ used by the Rust code
 STELLAR_XDR_REVISION_FROM_RUST=""
 
+function stellar_xdr_version_from_rust_dep_tree {
+  LINE=$(grep stellar-xdr | head -n 1)
+  # try to obtain a commit
+  COMMIT=$(echo $LINE | $SED -n 's/.*rev=\(.*\)#.*/\1/p')
+  if [ -n "$COMMIT" ]; then
+    echo "$COMMIT"
+    return
+  fi
+  # obtain a crate version
+  echo $LINE | $SED -n  's/.*stellar-xdr \(v\)\{0,1\}\([^ ]*\).*/\2/p'
+}
+
 if CARGO_OUTPUT=$(cargo tree --depth 0 -p stellar-xdr 2>&1); then
-  RS_STELLAR_XDR_REVISION=$(echo $CARGO_OUTPUT | head -n 1 | $SED "$CARGO_PACKAGE_REVISION_EXTRACT_SED_COMMAND")
-  STELLAR_XDR_REVISION_FROM_RUST=$($CURL https://raw.githubusercontent.com/stellar/rs-stellar-xdr/${RS_STELLAR_XDR_REVISION}/xdr/curr-version)
+  RS_STELLAR_XDR_REVISION=$(echo "$CARGO_OUTPUT" | stellar_xdr_version_from_rust_dep_tree)
+  if [ ${#RS_STELLAR_XDR_REVISION} -eq 40 ]; then
+    # revision is a git hash
+    STELLAR_XDR_REVISION_FROM_RUST=$($CURL https://raw.githubusercontent.com/stellar/rs-stellar-xdr/${RS_STELLAR_XDR_REVISION}/xdr/curr-version)
+  else
+    # revision is a crate version
+    CARGO_SRC_BASE_DIR=$(realpath ${CARGO_HOME:-$HOME/.cargo}/registry/src/index*)
+    STELLAR_XDR_REVISION_FROM_RUST=$(cat "${CARGO_SRC_BASE_DIR}/stellar-xdr-${RS_STELLAR_XDR_REVISION}/xdr/curr-version")
+  fi
 else
   echo "The project depends on multiple versions of the Rust rs-stellar-xdr library"
   echo "Make sure a single version of stellar-xdr is used"
@@ -81,7 +99,7 @@ fi
 CORE_HOST_DEP_TREE_CURR=$($CURL https://raw.githubusercontent.com/stellar/stellar-core/${CORE_CONTAINER_REVISION}/src/rust/src/host-dep-tree-curr.txt)
 
 
-RS_STELLAR_XDR_REVISION_FROM_CORE=$(echo "$CORE_HOST_DEP_TREE_CURR" | grep stellar-xdr | head -n 1 | $SED "$CARGO_PACKAGE_REVISION_EXTRACT_SED_COMMAND")
+RS_STELLAR_XDR_REVISION_FROM_CORE=$(echo "$CORE_HOST_DEP_TREE_CURR" | stellar_xdr_version_from_rust_dep_tree)
 if [ "$RS_STELLAR_XDR_REVISION" != "$RS_STELLAR_XDR_REVISION_FROM_CORE" ]; then
   echo "The Core revision used in integration tests (${CORE_CONTAINER_REVISION}) uses a different revision of https://github.com/stellar/rs-stellar-xdr"
   echo