chg: dev: [compose,compose-core] rename ``ALL_RELATIONS`` to ``GLOBAL_ALL_RELATIONS``

We aim at making this variable global to a ``compose up`` session.

bin/compose

@@ -1036,20 +1036,25 @@ load_env() {
             fi
         done < "$COMPOSE_LAUNCHER_OPTS"
     fi
-    if [ -n "$ALL_RELATIONS" ]; then
-        if ! [ -e "$ALL_RELATIONS" ]; then
-            err "Variable \$ALL_RELATION provided but it doesn't point on an existing file."
+    if [ -n "$GLOBAL_ALL_RELATIONS" ]; then
+        if ! [ -e "$GLOBAL_ALL_RELATIONS" ]; then
+            err "Variable \$GLOBAL_ALL_RELATION provided but it doesn't point on an existing file."
             return 1
         fi
-        if ! [ -r "$ALL_RELATIONS" ]; then
-            err "Variable \$ALL_RELATION provided but it doesn't point on a readable file."
+        if ! [ -r "$GLOBAL_ALL_RELATIONS" ]; then
+            err "Variable \$GLOBAL_ALL_RELATION provided but it doesn't point on a readable file."
             return 1
         fi
-        NEW_ALL_RELATIONS="$COMPOSE_CACHE/${ALL_RELATIONS##*/}"
-        if [ "$NEW_ALL_RELATIONS" != "$ALL_RELATIONS" ]; then
-            cp "$ALL_RELATIONS" "$NEW_ALL_RELATIONS" || return 1
+        if [ -z "$GLOBAL_ALL_RELATIONS_HASH" ]; then
+            err "Variable \$GLOBAL_ALL_RELATION provided but not \$GLOBAL_ALL_RELATIONS_HASH."
+            return 1
+        fi
+        NEW_GLOBAL_ALL_RELATIONS="$COMPOSE_CACHE/${GLOBAL_ALL_RELATIONS##*/}"
+        if [ "$NEW_GLOBAL_ALL_RELATIONS" != "$GLOBAL_ALL_RELATIONS" ]; then
+            cp "$GLOBAL_ALL_RELATIONS" "$NEW_GLOBAL_ALL_RELATIONS" || return 1
         fi
-        docker_run_opts+=("-e" "ALL_RELATIONS=$NEW_ALL_RELATIONS")
+        docker_run_opts+=("-e" "GLOBAL_ALL_RELATIONS=$NEW_GLOBAL_ALL_RELATIONS")
+        docker_run_opts+=("-e" "GLOBAL_ALL_RELATIONS_HASH=$GLOBAL_ALL_RELATIONS_HASH")
     fi
     if [ -n "$PROJECT_NAME" ]; then
         docker_run_opts+=("-e" "PROJECT_NAME=$PROJECT_NAME")
@@ -1068,8 +1073,10 @@ show_env() {
     echo "  COMPOSE_LAUNCHER_CACHE: $COMPOSE_LAUNCHER_CACHE"
     echo "  SESSION_DIR: $SESSION_DIR"
     echo "  TZ_PATH: $TZ_PATH"
-    [ -n "$ALL_RELATIONS" ] &&
-        echo "  ALL_RELATIONS: $ALL_RELATIONS"
+    [ -n "$GLOBAL_ALL_RELATIONS" ] && {
+        echo "  GLOBAL_ALL_RELATIONS: $GLOBAL_ALL_RELATIONS"
+        echo "  GLOBAL_ALL_RELATIONS_HASH: $GLOBAL_ALL_RELATIONS_HASH"
+    }
     [ -n "$PROJECT_NAME" ] &&
         echo "  PROJECT_NAME: $PROJECT_NAME"
 

bin/compose-core

@@ -1746,7 +1746,7 @@ export -f get_service_relation_tech_dep
 ## Use compose file to get deps, and relation definition in metadata.yml
 ## for tech-dep attribute.
 get_service_deps() {
-    local service="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$ALL_RELATIONS")"
+    local service="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$GLOBAL_ALL_RELATIONS_HASH")"
     if [ -e "$cache_file" ]; then
         # debug "$FUNCNAME: cache hit ($*)"
         cat "$cache_file"
@@ -1767,7 +1767,7 @@ export -f get_service_deps
 _rec_get_depth() {
     local elt=$1 dep deps max
     [ "${depths[$elt]}" ] && return 0
-    local cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$(declare -pA depths)" "$ALL_RELATIONS")"
+    local cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$(declare -pA depths)" "$GLOBAL_ALL_RELATIONS_HASH")"
     if [ -e "$cache_file.depths" ]; then
         #debug "$FUNCNAME: cache hit ($*) - $cache_file.depths"
         while read-0 k v; do
@@ -1810,7 +1810,7 @@ export -f _rec_get_depth
 
 
 get_ordered_service_dependencies() {
-    local services=("$@") cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$ALL_RELATIONS")" \
+    local services=("$@") cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$GLOBAL_ALL_RELATIONS_HASH")" \
           i value key heads depths visited
     if [ -e "$cache_file" ]; then
         # debug "$FUNCNAME: cache hit ($*)"
@@ -2398,7 +2398,7 @@ export -f get_compose_relations
 
 
 get_all_services() {
-    local cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$ALL_RELATIONS")" \
+    local cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$GLOBAL_ALL_RELATIONS_HASH")" \
           s rn ts rc td services
     if [ -e "$cache_file" ]; then
         #debug "$FUNCNAME: SESSION cache hit $1"
@@ -2406,8 +2406,8 @@ get_all_services() {
         return 0
     fi
 
-    if [ -z "$ALL_RELATIONS" ]; then
-        err "Can't access global \$ALL_RELATIONS"
+    if [ -z "$GLOBAL_ALL_RELATIONS" ]; then
+        err "Can't access global \$GLOBAL_ALL_RELATIONS"
         return 1
     fi
 
@@ -2418,7 +2418,7 @@ get_all_services() {
             services["$service"]=1
             echo "$service"
         done
-    done < <(cat "$ALL_RELATIONS") > "$cache_file"
+    done < <(cat "$GLOBAL_ALL_RELATIONS") > "$cache_file"
 
     cat "$cache_file"
 }
@@ -2426,7 +2426,7 @@ export -f get_all_services
 
 
 get_service_relations () {
-    local service="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$ALL_RELATIONS")" \
+    local service="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$GLOBAL_ALL_RELATIONS_HASH")" \
           s rn ts rc td
     if [ -e "$cache_file" ]; then
         #debug "$FUNCNAME: SESSION cache hit $1"
@@ -2434,15 +2434,15 @@ get_service_relations () {
         return 0
     fi
 
-    if [ -z "$ALL_RELATIONS" ]; then
-        err "Can't access global \$ALL_RELATIONS"
+    if [ -z "$GLOBAL_ALL_RELATIONS" ]; then
+        err "Can't access global \$GLOBAL_ALL_RELATIONS"
         return 1
     fi
 
     while read-0 s rn ts rc td; do
         [[ "$s" == "$service" ]] || continue
         printf "%s\0" "$rn" "$ts" "$rc" "$td"
-    done < <(cat "$ALL_RELATIONS") > "$cache_file"
+    done < <(cat "$GLOBAL_ALL_RELATIONS") > "$cache_file"
 
     cat "$cache_file"
 }
@@ -2480,15 +2480,15 @@ export -f get_service_relation
 ##    (base_service, relation_config)
 ##
 get_service_incoming_relations() {
-    local service="$1" relation="$2" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$ALL_RELATIONS")" \
+    local service="$1" relation="$2" cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$GLOBAL_ALL_RELATIONS_HASH")" \
           s rn ts rc td
     if [ -e "$cache_file" ]; then
         #debug "$FUNCNAME: SESSION cache hit $1"
         cat "$cache_file"
         return 0
     fi
-    if [ -z "$ALL_RELATIONS" ]; then
-        err "Can't access global \$ALL_RELATIONS"
+    if [ -z "$GLOBAL_ALL_RELATIONS" ]; then
+        err "Can't access global \$GLOBAL_ALL_RELATIONS"
         return 1
     fi
 
@@ -2497,7 +2497,7 @@ get_service_incoming_relations() {
         [[ "$rn" == "$relation" ]] || continue
         relation_data_file=$(get_relation_data_file "$s" "$ts" "$rn" "$rc") || return 1
         printf "%s\0" "$s" "$(cat "$relation_data_file")"
-    done < <(cat "$ALL_RELATIONS") > "$cache_file"
+    done < "$GLOBAL_ALL_RELATIONS" > "$cache_file"
 
     cat "$cache_file"
 }
@@ -2842,14 +2842,14 @@ get_all_relations () {
     local cache_file="$state_tmpdir/$FUNCNAME.cache.$(H "$@" "$(declare -p without_relations)")" \
           services
 
-    if [ -n "$ALL_RELATIONS" ]; then
-        cat "$ALL_RELATIONS" || return 1
+    if [ -n "$GLOBAL_ALL_RELATIONS" ]; then
+        cat "$GLOBAL_ALL_RELATIONS" || return 1
         return 0
     fi
 
     if [ -e "${cache_file}" ]; then
         #debug "$FUNCNAME: SESSION cache hit $1"
-        export ALL_RELATIONS="$cache_file"
+        export GLOBAL_ALL_RELATIONS="$cache_file"
         cat "${cache_file}"
         return 0
     fi
@@ -3127,8 +3127,10 @@ get_all_relations () {
         mv "${cache_file}.wip."{out,in}
     done
 
-    export ALL_RELATIONS="$cache_file"
     mv "${cache_file}"{.wip.final,} || return 1
+    export GLOBAL_ALL_RELATIONS="$cache_file"
+    GLOBAL_ALL_RELATIONS_HASH=$(hash_get < "$cache_file") || return 1
+    export GLOBAL_ALL_RELATIONS_HASH
     cat "$cache_file"
 }
 export -f get_all_relations