Merge pull request #196 from natalieparellano/exit-codes

Condense lifecycle exit codes

platform.md

@@ -318,10 +318,10 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `100`     | All buildpacks groups have failed to detect w/o error
-| `101`     | All buildpack groups have failed to detect and at least one buildpack has errored
-| `102-199` | Detection-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `20`     | All buildpacks groups have failed to detect w/o error
+| `21`     | All buildpack groups have failed to detect and at least one buildpack has errored
+| `22-29` | Detection-specific lifecycle errors
 
 The lifecycle:
 - SHALL detect a single group from `<order>` and write it to `<group>` using the [detection process](buildpack.md#phase-1-detection) outlined in the Buildpack Interface Specification
@@ -378,8 +378,8 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `200-299` | Analysis-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `30-39` | Analysis-specific lifecycle errors
 
 - The lifecycle MUST write [analysis metadata](#analyzedtoml-toml) to `<analyzed>` if `<image>` is accessible.
 - **If** `<skip-layers>` is `true` the lifecycle MUST NOT perform layer analysis.
@@ -435,8 +435,8 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `300-399` | Restoration-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `40-49` | Restoration-specific lifecycle errors
 
 ##### Layer restoration
 For each layer metadata file found in the `<layers>` directory, the lifecycle:
@@ -484,9 +484,9 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `401`     | Buildpack build error
-| `400`, `402-499`|  Build-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `51`     | Buildpack build error
+| `50`, `52-59`|  Build-specific lifecycle errors
 
 - The lifecycle SHALL execute all buildpacks in the order defined in `<group>` according process outlined in the [Buildpack Interface Specification](buildpack.md).
 - The lifecycle SHALL add all invoked buildpacks to`<layers>/config/metadata.toml`.
@@ -557,8 +557,8 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `500-599`|  Export-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `60-69`|  Export-specific lifecycle errors
 
 - The lifecycle SHALL write the same app image to each `<image>` tag
 - The app image:
@@ -644,12 +644,12 @@ Outputs produced by `creator` are identical to those produced by `exporter`, wit
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `100-199`|  Detection-specific lifecycle errors
-| `200-299`|  Analysis-specific lifecycle errors
-| `300-399`|  Restoration-specific lifecycle errors
-| `400-499`|  Build-specific lifecycle errors
-| `500-599`|  Export-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `20-29`|  Detection-specific lifecycle errors
+| `30-39`|  Analysis-specific lifecycle errors
+| `40-49`|  Restoration-specific lifecycle errors
+| `50-59`|  Build-specific lifecycle errors
+| `60-69`|  Export-specific lifecycle errors
 
 
 #### `rebaser`
@@ -694,8 +694,8 @@ Usage:
 | `0`       | Success
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `1-10`, `13-99` | Generic lifecycle errors
-| `600-699`|  Rebase-specific lifecycle errors
+| `1-10`, `13-19` | Generic lifecycle errors
+| `70-79`|  Rebase-specific lifecycle errors
 
 - The lifecycle SHALL write the same app image to each `<image>` tag
 - The rebased app image SHALL be identical to `<image>`, with the following modifications:
@@ -755,7 +755,7 @@ If the launcher errors before executing the process it will have one of the foll
 |-----------|-------|
 | `11`      | Platform API incompatibility error
 | `12`      | Buildpack API incompatibility error
-| `700-799`|  Launch-specific lifecycle errors
+| `80-89`|  Launch-specific lifecycle errors
 
 Otherwise, the exit code shall be the exit code of the launched process.