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sbt: cache passwordCommand
output
This will cache the output of `passwordCommand` per authentication realm. Context: the `credentials` key in `sbt` is a `TaskKey[Seq[Credentials]]`. In `sbt`, tasks are evaluated on-demand and their output is not cached. This particular key is referenced by all submodules in a project. When the command is relatively expensive (e.g.: `pass show foo`), this results in several seconds of delay when doing basic things like `compile` or `test` which makes this unusable without some kind of caching.
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2 changed files with 11 additions and 6 deletions
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@ -8,13 +8,16 @@ let
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addSbtPlugin("${plugin.org}" % "${plugin.artifact}" % "${plugin.version}")
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'';
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renderCredential = cred: ''
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credentials += Credentials("${cred.realm}", "${cred.host}", "${cred.user}", "${cred.passwordCommand}".!!.trim)
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'';
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renderCredential = idx: cred:
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let symbol = "credential_${toString idx}";
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in ''
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lazy val ${symbol} = "${cred.passwordCommand}".!!.trim
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credentials += Credentials("${cred.realm}", "${cred.host}", "${cred.user}", ${symbol})
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'';
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renderCredentials = creds: ''
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import scala.sys.process._
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${concatStrings (map renderCredential creds)}'';
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${concatStrings (imap0 renderCredential creds)}'';
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renderRepository = value:
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if isString value then ''
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@ -19,8 +19,10 @@ let
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];
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expectedCredentialsSbt = pkgs.writeText "credentials.sbt" ''
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import scala.sys.process._
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credentials += Credentials("Sonatype Nexus Repository Manager", "example.com", "user", "echo password".!!.trim)
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credentials += Credentials("Sonatype Nexus Repository Manager X", "v2.example.com", "user1", "echo password1".!!.trim)
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lazy val credential_0 = "echo password".!!.trim
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credentials += Credentials("Sonatype Nexus Repository Manager", "example.com", "user", credential_0)
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lazy val credential_1 = "echo password1".!!.trim
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credentials += Credentials("Sonatype Nexus Repository Manager X", "v2.example.com", "user1", credential_1)
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'';
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credentialsSbtPath = ".sbt/1.0/credentials.sbt";
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in {
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