Game World!: What is CFBundleSignature?

Sunday, 27 June 2021

What is CFBundleSignature?

Details

Type: Bug
Status:RESOLVED
Priority: P4
Resolution:Not an Issue
Affects Version/s:internal
Fix Version/s:internal
Component/s:tools
Labels:
- sn_50

Subcomponent:
jpackage

Description

http://cr.openjdk.java.net/~herrick/8212780/webrev.ea6/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/resources/Info-lite.plist.template.html
http://cr.openjdk.java.net/~herrick/8212780/webrev.ea6/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/resources/Info.plist.template.html
http://cr.openjdk.java.net/~herrick/8212780/webrev.ea6/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/resources/Runtime-Info.plist.template.html
All these files have:
<key>CFBundleSignature</key>
<string>????</string>
Based on doc "CFBundleSignature is the application’s creator signature, a four-character code that identifies document files belonging to this application."
Should it be unique per application? It seems that all bundles will have same signature, not sure if it is correct.

We need to figure out if this value needs to be unique per application and if jpackage user needs ability to control value via CLI.

Activity

Alexander Matveev added a comment - 2019-08-30 18:06

After some research it seems that CFBundleSignature is not being used by modern macOS and setting it to "????" is valid.