this derivation will be built:
  /nix/store/mzwvmmd9kmirs6996jch86iwkygzgv0i-treefmt-check.drv
building '/nix/store/mzwvmmd9kmirs6996jch86iwkygzgv0i-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.5.0traversed 1213 files
treefmt-check> emitted 519 files for processing
treefmt-check> formatted 519 files (3 changed) in 3.311s
treefmt-check>  M machines/eve/modules/postfix.nix
treefmt-check> diff --git a/machines/eve/modules/postfix.nix b/machines/eve/modules/postfix.nix
treefmt-check> index 7904a1e..0cf3c2f 100644
treefmt-check> --- a/machines/eve/modules/postfix.nix
treefmt-check> +++ b/machines/eve/modules/postfix.nix
treefmt-check> @@ -71,9 +71,7 @@ in
treefmt-check>        mailbox_transport = "lmtp:unix:private/dovecot-lmtp";
treefmt-check>        masquerade_domains = toString mailDomains;
treefmt-check>        virtual_mailbox_domains = toString mailDomains;
treefmt-check> -      virtual_alias_maps = "ldap:${accountsmap},texthash:${
treefmt-check> -        config.clan.core.vars.generators.postfix-aliases.files.virtual-aliases.path
treefmt-check> -      },regexp:/var/lib/postfix/conf/virtual-regex";
treefmt-check> +      virtual_alias_maps = "ldap:${accountsmap},texthash:${config.clan.core.vars.generators.postfix-aliases.files.virtual-aliases.path},regexp:/var/lib/postfix/conf/virtual-regex";
treefmt-check>        virtual_transport = "lmtp:unix:private/dovecot-lmtp";
treefmt-check>  
treefmt-check>        # bigger attachment size
error: Cannot build '/nix/store/mzwvmmd9kmirs6996jch86iwkygzgv0i-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d2fm0vncyaqj6h31d416rxpb2jgzcvsd-treefmt-check
       Last 20 log lines:
       > tribuchet: building on jamie
       > treefmt v2.5.0traversed 1213 files
       > emitted 519 files for processing
       > formatted 519 files (3 changed) in 3.311s
       >  M machines/eve/modules/postfix.nix
       > diff --git a/machines/eve/modules/postfix.nix b/machines/eve/modules/postfix.nix
       > index 7904a1e..0cf3c2f 100644
       > --- a/machines/eve/modules/postfix.nix
       > +++ b/machines/eve/modules/postfix.nix
       > @@ -71,9 +71,7 @@ in
       >        mailbox_transport = "lmtp:unix:private/dovecot-lmtp";
       >        masquerade_domains = toString mailDomains;
       >        virtual_mailbox_domains = toString mailDomains;
       > -      virtual_alias_maps = "ldap:${accountsmap},texthash:${
       > -        config.clan.core.vars.generators.postfix-aliases.files.virtual-aliases.path
       > -      },regexp:/var/lib/postfix/conf/virtual-regex";
       > +      virtual_alias_maps = "ldap:${accountsmap},texthash:${config.clan.core.vars.generators.postfix-aliases.files.virtual-aliases.path},regexp:/var/lib/postfix/conf/virtual-regex";
       >        virtual_transport = "lmtp:unix:private/dovecot-lmtp";
       >
       >        # bigger attachment size
       For full logs, run:
         nix log /nix/store/mzwvmmd9kmirs6996jch86iwkygzgv0i-treefmt-check.drv