When I need to run two or more instances of clojure in the same project (with different parameters), they end up racing for the same cache folder that is created in the same directory. The error we see in such cases is Could not find or load main class clojure.main. Sometimes there are other errors.
If I understand the script logic correctly, it chooses the current directory for the cache and it uses has of a combination of parameters as unique identifier but in my case the resulting folder is the same.
# Determine whether to use user or project cache
if [[ -f deps.edn ]]; then
cache_dir=.cpcache
else
cache_dir="$user_cache_dir"
fi
Would be great to either introduce a locking mechanism that prevents racing situations or as a workaround provide an option to specify the extra argument for the cache dir or the checksum used.
Possible solution:
diff --git a/src/main/resources/clojure/install/clojure b/src/main/resources/clojure/install/clojure
index 67272b7..53fd7ec 100755
--- a/src/main/resources/clojure/install/clojure
+++ b/src/main/resources/clojure/install/clojure
@@ -22,6 +22,7 @@ jvm_opts=()
resolve_aliases=()
classpath_aliases=()
repl_aliases=()
+cache_extra=
mode="repl"
while [ $# -gt 0 ]
do
@@ -108,6 +109,11 @@ do
deps_data="${1}"
shift
;;
+ -Scache)
+ shift
+ cache_extra="${1}"
+ shift
+ ;;
-Scp)
shift
force_cp="${1}"
@@ -197,7 +203,7 @@ if "$help"; then
on the JVM, e.g. to start a REPL or invoke a specific function with data.
The Clojure tools will configure the JVM process by defining a classpath
(of desired libraries), an execution environment (JVM options) and
- specifying a main class and args.
+ specifying a main class and args.
Using a deps.edn file (or files), you tell Clojure where your source code
resides and what libraries you need. Clojure will then calculate the full
@@ -234,6 +240,7 @@ if "$help"; then
-Spath Compute classpath and echo to stdout only
-Spom Generate (or update) pom.xml with deps and paths
-Stree Print dependency tree
+ -Scache CACHE Provide arbitrary data to include into cache hash
-Scp CP Do NOT compute or cache classpath, use this one instead
-Srepro Ignore the ~/.clojure/deps.edn config file
-Sforce Force recomputation of the classpath (don't use the cache)
@@ -320,7 +327,7 @@ else
fi
# Construct location of cached classpath file
-val="$(join '' ${resolve_aliases[@]})|$(join '' ${classpath_aliases[@]})|$(join '' ${repl_aliases[@]})|$exec_aliases|$main_aliases|$deps_data|$tool_name|$tool_aliases"
+val="${cache_extra}|$(join '' ${resolve_aliases[@]})|$(join '' ${classpath_aliases[@]})|$(join '' ${repl_aliases[@]})|$exec_aliases|$main_aliases|$deps_data|$tool_name|$tool_aliases"
for config_path in "${config_paths[@]}"; do
if [[ -f "$config_path" ]]; then
val="$val|$config_path"
