feat: open psql in the database container

src/commands/postgres.rs

@@ -2,7 +2,7 @@ mod server;
 mod shape;
 
 use fs_err::File;
-use std::io::{self, Write};
+use std::io::{self, IsTerminal, Write};
 use std::path::Path;
 use std::process::Stdio;
 
@@ -12,8 +12,8 @@ use self::server::{Database, wait_until_ready, when_ready};
 use self::shape::{Dump, HEADER_LEN, Kind};
 use crate::cli::Format;
 use crate::cmd::{
-    Cmd, Cp, CreateDb, DropDb, Gunzip, Gzip, Head, PgDump, PgDumpAll, PgRestore, Rm, Start, Stop,
-    Up,
+    Cmd, Cp, CreateDb, DropDb, Gunzip, Gzip, Head, PgDump, PgDumpAll, PgRestore, Psql, Rm, Start,
+    Stop, Up,
 };
 use crate::ctx::Ctx;
 use crate::fsops::{remove_file, rename, suffixed};
@@ -202,6 +202,18 @@ pub fn import(ctx: &Ctx, file: &Path) -> Result<()> {
     Ok(())
 }
 
+pub fn psql(ctx: &Ctx, rest: &[String]) -> Result<()> {
+    let db = Database::resolve(ctx)?;
+
+    // a terminal only if this one has one, so `psql -c ... | cat` still works
+    Psql::new(&db.user, &db.name)
+        .args(rest)
+        .in_container(&db.container)
+        .interactive()
+        .tty(io::stdin().is_terminal())
+        .replace(ctx)
+}
+
 pub fn dump(ctx: &Ctx, file: &Path, format: Format, gzip: bool) -> Result<()> {
     let db = Database::resolve(ctx)?;