More generic "lockfor" system

fake_home/.zshrc

@@ -203,23 +203,47 @@ function load-extensions {
     done
 }
 
-function dot-lock-wait {
-    if test -f "$SYNC_LOCK_FILE"; then
-        echo "Sync lockfile present at '$SYNC_LOCK_FILE'"
-        echo "Waiting for ongoing sync to finish"
-        for i in {0..60}; do
+function lock-wait {
+    local file="$1"
+    local seconds="$2"
+    local action="$3"
+
+    if test -f "$file"; then
+        echo "Sync lockfile present at '$file'"
+        echo "Watching its output:"
+        tail -f "$file" &
+        tail_pid=$!
+        [[ "$action" == "" ]] || echo "Waiting for $action to finish"
+        for i in {0..$seconds}; do
             sleep 1
-            if ! test -f "$SYNC_LOCK_FILE"; then
+            if ! test -f "$file"; then
+                kill $tail_pid &> /dev/null
+                echo
+                echo "Lock file at '$file' freed."
+                echo
                 break
             fi
         done
     fi
 }
 
-function pushdot {
+function lockfor {
+    local file="$1"
+    local seconds="$2"
+
+    lock-wait "$file" "$seconds"
+    touch "$file"
+    $3 $4 $5 $6 $7 $8 $9 $10 | tee -a "$file"
+    rm "$file"
+}
+
+
+function dot-lock-wait {
+    lock-wait "$SYNC_LOCK_FILE" 90 "Waiting for ongoing sync to finish"
+}
+
+function _pushdot {
     cd "$DOT_DIR" || return 1
-    dot-lock-wait
-    echo "$$" > "$SYNC_LOCK_FILE"
     local res
     if ! git diff --quiet; then
         if [ $# -eq 0 ]; then
@@ -237,10 +261,13 @@ function pushdot {
     sync-history
     push-dconf
     cd -
-    rm "$SYNC_LOCK_FILE"
     return $res 
 }
 
+function pushdot {
+    lockfor "$SYNC_LOCK_FILE" 90 _pushdot $@
+}
+
 function sync-dconf {
     if ! command -v dconf &> /dev/null; then
         echo "System does not use dconf"
@@ -263,7 +290,7 @@ function sync-dconf {
     push-dconf
 }
 
-function getdot {
+function _getdot {
     if ! command -v scpace &> /dev/null; then
         echo "An alias for scpace has not been defined on this device!"
         return 1
@@ -279,6 +306,10 @@ function getdot {
     cd - > /dev/null
 }
 
+function getdot {
+    lockfor "$SYNC_LOCK_FILE" 90 _getdot $@
+}
+
 if which starship &> /dev/null; then
     eval "$(starship init zsh)"
 fi