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repo-specific-configuration.md

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Repository-specific configuration

You can add <YOUR_REPO>/.scala-steward.conf to configure how Scala Steward updates your repository.

# pullRequests.frequency allows to control how often or when Scala Steward
# is allowed to create pull requests.
#
# Possible values:
#   @asap
#     PRs are created without delay.
#
#   <timespan>
#     PRs are created only again after the given timespan since the last PR
#     has passed. Example values are "36 hours", "1 day", or "14 days".

#   <CRON expression>
#     PRs are created roughly according to the given CRON expression.
#
#     CRON expressions consist of five fields:
#     minutes, hour of day, day of month, month, and day of week.
#
#     See https://www.alonsodomin.me/cron4s/userguide/index.html#parsing for
#     more information about the CRON expressions that are supported.
#
#     Note that the date parts of the CRON expression are matched exactly
#     while the time parts are only used to abide to the frequency of
#     the given expression.
#
# Default: @asap
#
#pullRequests.frequency = "0 0 ? * 3" # every thursday on midnight
pullRequests.frequency = "7 days"

# Only these dependencies which match the given patterns are updated.
#
# Each pattern must have `groupId`, and may have `artifactId` and `version`.
# Defaults to empty `[]` which mean Scala Steward will update all dependencies.
updates.allow  = [ { groupId = "com.example" } ]

# The dependencies which match the given version pattern are updated.
# Dependencies that are not listed will be updated.
#
# Each pattern must have `groupId`, `version` and optional `artifactId`.
# Defaults to empty `[]` which mean Scala Steward will update all dependencies.
# the following example will allow to update foo when version is 1.1.x
updates.pin  = [ { groupId = "com.example", artifactId="foo", version = "1.1." } ]

# The dependencies which match the given pattern are NOT updated.
#
# Each pattern must have `groupId`, and may have `artifactId` and `version`.
# Defaults to empty `[]` which mean Scala Steward will not ignore dependencies.
updates.ignore = [ { groupId = "org.acme", artifactId="foo", version = "1.0" } ]

# If set, Scala Steward will only create or update `n` PRs each time it runs (see `pullRequests.frequency` above).
# Useful if running frequently and/or CI build are costly
# Default: None
updates.limit = 5

# The extensions of files that should be updated.
# Default: [".scala", ".sbt", ".sbt.shared", ".sc", ".yml", "pom.xml"]
updates.fileExtensions = [".scala", ".sbt", ".sbt.shared", ".sc", ".yml", ".md", ".markdown", ".txt"]

# If "on-conflicts", Scala Steward will update the PR it created to resolve conflicts as
# long as you don't change it yourself.
# If "always", Scala Steward will always update the PR it created as long as
# you don't change it yourself.
# If "never", Scala Steward will never update the PR
# Default: "on-conflicts"
updatePullRequests = "always" | "on-conflicts" | "never"

# If set, Scala Steward will use this message template for the commit messages and PR titles.
# Supported variables: ${artifactName}, ${currentVersion}, ${nextVersion} and ${default}
# Default: "${default}" which is equivalent to "Update ${artifactName} to ${nextVersion}" 
commits.message = "Update ${artifactName} from ${currentVersion} to ${nextVersion}"

# If true and when upgrading version in .scalafmt.conf, Scala Steward will perform scalafmt 
# and add a separate commit when format changed. So you don't need reformat manually and can merge PR.
# If false, Scala Steward will not perform scalafmt, so your CI may abort when reformat needed.
# Default: true
scalafmt.runAfterUpgrading = false

# It is possible to have multiple scala projects in a single repository. In that case the folders containing the projects (build.sbt folders)
# are specified using the buildRoots property. Note that the paths used there are relative and if the repo directory itself also contains a build.sbt the dot can be used to specify it.
# Default: ["."]
buildRoots = [ ".", "subfolder/projectA" ]

# Define commands that are executed after an update via a hook.
# A groupId and/or artifactId can be defined to only execute after certain dependencies are updated. If neither is defined, the hook runs for every update.
postUpdateHooks = [{
  command = ["sbt", "protobufGenerate"],
  commitMessage = "Regenerated protobuf files",
  groupId = "com.github.sbt",
  artifiactId = "sbt-protobuf"
}]

The version information given in the patterns above can be in two formats:

  1. just a version field that is treated as a prefix of the version
  2. a structure consisting of any of the following fields:
    • prefix: is matched against the beginning of the version
    • suffix: is matched against the end of the version
    • exact: is matched against the whole version
    • contains: is matched against substrings in the version
version = "1.1."
version = { prefix = "1.1." }
version = { suffix = "jre8" }
version = { prefix = "1.1.", suffix = "jre8" }
version = { exact = "1.1.2.jre8" }
version = { contains = "feature" }

Ignore lines

Though updates.ignores offers granular configuration to exclude dependencies from update, Scala Steward also recognizes markers in file to ignore lines.

Dependencies in lines between // scala-steward:off and // scala-steward:on are not updated.

libraryDependencies ++= Seq(
  // scala-steward:off
  "com.github.pathikrit" %% "better-files" % "3.8.0",
  "com.olegpy" %% "better-monadic-for" % "0.3.1",
  // scala-steward:on 
  "org.typelevel" %% "cats-effect" % "1.3.1",  // This and subsequent will get updated
  "org.typelevel" %% "cats-kernel-laws" % "1.6.1"
)

Also, the line ends with // scala-steward:off is not updated solely.

libraryDependencies ++= Seq(
  "com.typesafe.akka" %% "akka-actor" % "2.4.0", // scala-steward:off
  "com.typesafe.akka" %% "akka-testkit" % "2.5.0", // This and subsequent will get updated
)