<p>It looks like your <code>nix-shell</code> is running, just give it time until it return the command line prompt again.</p>

CC BY-SA 4.0
2022-12-09T04:16:55.407Z
Yes, It's already done but nothing change. I thought its theme is wrong so I tried to build my project but It can not run.
Ming
CC BY-SA 4.0
2022-12-07T08:00:37.433Z
2022-12-07T08:00:37.433Z
Marek Mahut - StakeNuts
<p>I checkout to branch <strong>c2b310968d0915e2af0ea4680186b41ad88ffbe9</strong> and run nix-shell at plutus-apps. No error, nothing change when I run nix-shell.I reinstalled nix, changed iohk-cache, reinstalled ubuntu. I still can't run nix-shell. Maybe that's my PC's wrong but I don't know. I need any help.</p>
<pre><code>➜  plutus-apps git:(c2b310968) nix-shell
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for cabal-install a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for cabal-install entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for cardano-node a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for cardano-node entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
</code></pre>

CC BY-SA 4.0
2023-09-07T19:35:39.327Z
You should try nix develop. If you are using a new version of Nix.
Sebpereira
CC BY-SA 4.0
2023-09-13T13:58:28.350Z
Please add a bit more details to this answer. What is `nix develop` and how does it help to solve the problem?
eddex
<plutus><nix>
nix shell did not work in plutus-apps
# nix shell did not work in plutus-apps

(Asked by: username_0 on 2022-12-07)

I checkout to branch c2b310968d0915e2af0ea4680186b41ad88ffbe9 and run nix-shell at plutus-apps. No error, nothing change when I run nix-shell.I reinstalled nix, changed iohk-cache, reinstalled ubuntu. I still can't run nix-shell. Maybe that's my PC's wrong but I don't know. I need any help.
➜  plutus-apps git:(c2b310968) nix-shell
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for cabal-install a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for cabal-install entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for cardano-node a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for cardano-node entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: To make project.plan-nix for haskell-project a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.plan-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.

**Tags:** plutus, nix
> **Comments:**
> **username_1**: You should try nix develop. If you are using a new version of Nix.  
> **username_2**: Please add a bit more details to this answer. What is `nix develop` and how does it help to solve the problem?  

---

## 1 answers

### Answer by username_3 on 2022-12-07. Score: 0

It looks like your `nix-shell` is running, just give it time until it return the command line prompt again.

> **Comments:**
> **username_0**: Yes, It's already done but nothing change. I thought its theme is wrong so I tried to build my project but It can not run.  

---

