docs/packages: add how to find a specific file

cachix · Oct 6, 2023 · bd859ef · bd859ef
1 parent 05e2694
commit bd859ef
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/docs/packages.md b/docs/packages.md
@@ -50,3 +50,22 @@ Found 3 packages and 0 options for 'ncdu'.
 
 This will search [available packages](https://search.nixos.org/packages?channel=unstable&query=ncdu)
 for the exact pinned version of Nixpkgs input in your ``devenv.lock``.
+
+## Searching for a file
+
+If you'd like to see what package includes a specific file, for example `libquadmath.so`:
+
+```shell-session
+$ nix run github:mic92/nix-index-database libquadmath.so
+(rPackages.RcppEigen.out)                       302,984 x /nix/store/24r9jkqyf2nd5dlg1jyihfl82sa9nwwb-gfortran-12.3.0-lib/lib/libquadmath.so.0.0.0
+(zsnes2.out)                                    693,200 x /nix/store/z23qmfjaj5p50n3iki7zkjjgjzia16v1-gcc-12.3.0-lib/lib/libquadmath.so.0.0.0
+(zulip.out)                                           0 s /nix/store/xnlcrrg3b9fgwry6qh3fxk3hnb0whs5z-zulip-5.10.2-usr-target/lib/libquadmath.so.0.0.0
+(zulip.out)                                           0 s /nix/store/xnlcrrg3b9fgwry6qh3fxk3hnb0whs5z-zulip-5.10.2-usr-target/lib64/libquadmath.so.0.0.0
+(zulip.out)                                           0 s /nix/store/48dnfgadck1mzncy002cs1a9hpddmdmz-zulip-5.10.2-fhs/usr/lib/libquadmath.so.0.0.0
+(zettlr-beta.out)                                     0 s /nix/store/nlq9rpakv852kkm7lwhzgb8iap1izpdm-zettlr-beta-3.0.0-beta.7-fhs/usr/lib/libquadmath.so.0.0.0
+(zettlr-beta.out)                                     0 s /nix/store/8ypzmv66kvi6qrdlga9yg60gl396n7ny-zettlr-beta-3.0.0-beta.7-usr-target/lib/libquadmath.so.0.0.0
+(zettlr-beta.out)                                     0 s /nix/store/8ypzmv66kvi6qrdlga9yg60gl396n7ny-zettlr-beta-3.0.0-beta.7-usr-target/lib64/libquadmath.so.0.0.0
+(zettlr.out)                                          0 s /nix/store/5xq9qch1fnknn3z97wcdvcf5vgjfm2ip-zettlr-2.3.0-fhs/usr/lib/libquadmath.so.0.0.0
+(zecwallet-lite.out)                                  0 s /nix/store/rllm8zagppnjf4kh14drwwg93gsxwaja-zecwallet-lite-1.8.8-fhs/usr/lib/libquadmath.so.0.0.0
+...
+```