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Diffstat (limited to 'doc/manual/src/command-ref/nix-store/verify.md')
| -rw-r--r-- | doc/manual/src/command-ref/nix-store/verify.md | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/doc/manual/src/command-ref/nix-store/verify.md b/doc/manual/src/command-ref/nix-store/verify.md new file mode 100644 index 000000000..2695b3361 --- /dev/null +++ b/doc/manual/src/command-ref/nix-store/verify.md @@ -0,0 +1,36 @@ +# Name + +`nix-store --verify` - check Nix database for consistency + +# Synopsis + +`nix-store` `--verify` [`--check-contents`] [`--repair`] + +# Description + +The operation `--verify` verifies the internal consistency of the Nix +database, and the consistency between the Nix database and the Nix +store. Any inconsistencies encountered are automatically repaired. +Inconsistencies are generally the result of the Nix store or database +being modified by non-Nix tools, or of bugs in Nix itself. + +This operation has the following options: + + - `--check-contents`\ + Checks that the contents of every valid store path has not been + altered by computing a SHA-256 hash of the contents and comparing it + with the hash stored in the Nix database at build time. Paths that + have been modified are printed out. For large stores, + `--check-contents` is obviously quite slow. + + - `--repair`\ + If any valid path is missing from the store, or (if + `--check-contents` is given) the contents of a valid path has been + modified, then try to repair the path by redownloading it. See + `nix-store --repair-path` for details. + +{{#include ./opt-common.md}} + +{{#include ../opt-common.md}} + +{{#include ../env-common.md}} |