Add status command to show the current state of a database wrt. migrations.

db_migrate.nimble

@@ -1,7 +1,7 @@
 # Package
 
 bin           = @["db_migrate"]
-version       = "0.4.0"
+version       = "0.4.1"
 author        = "Jonathan Bernard"
 description   = "Simple tool to handle database migrations."
 license       = "BSD"

src/main/nim/db_migrate.nim

@@ -171,7 +171,7 @@ proc up*(
 
   # Apply each of the migrations.
   for migration in toRun:
-    info migration.name
+    info "Applying up script for " & migration.name
 
     if not migration.upPath.fileExists:
       pgConn.rollbackWithErr "Can not find UP file for " & migration.name &
@@ -202,7 +202,7 @@ proc down*(
   pgConn.exec(sql"BEGIN")
 
   for migration in migrationsToDown:
-    info migration.name
+    info "Applying down script for " & migration.name
 
     if not migration.downPath.fileExists:
       pgConn.rollbackWithErr "Can not find DOWN file for " & migration.name &
@@ -229,6 +229,7 @@ Usage:
   db_migrate [options] up [<count>]
   db_migrate [options] down [<count>]
   db_migrate [options] init <schema-name>
+  db_migrate [options] status
   db_migrate (-V | --version)
   db_migrate (-h | --help)
 
@@ -249,7 +250,7 @@ Options:
 """
 
   # Parse arguments
-  let args = docopt(doc, version = "db-migrate (Nim) 0.4.0\nhttps://git.jdb-software.com/jdb/db-migrate")
+  let args = docopt(doc, version = "db-migrate (Nim) 0.4.1\nhttps://git.jdb-software.com/jdb/db-migrate")
 
   let exitErr = proc(msg: string): void =
     fatal("db_migrate: " & msg)
@@ -331,6 +332,21 @@ Options:
       except DbError:
         exitErr "Unable to migrate database: " & getCurrentExceptionMsg()
 
+    elif args["status"]:
+
+      info "Database Migration Status" &
+        "\n\nSQL Migration Folders: " & join(config.sqlDirs.mapIt("\n  " & it), "") &
+        "\n\nMigrations: " &
+        "\n  available: " & join(
+          toSeq(available.keys)
+            .sorted(system.cmp)
+            .mapIt("\n    " & it),
+          "") &
+        "\n  run:       " & join(run.mapIt("\n    " & it), "") &
+        "\n  notRun:    " & join(notRun.mapIt("\n    " & it.name), "") &
+        "\n  missing:   " & join(missing.mapIt("\n    " & it.name), "") &
+        "\n"
+
     elif args["init"]: discard
 
     let newResults = diffMigrations(pgConn, config)