Git: Improve handling of ambigous ID input in checkout dialog#9123
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matthiasblaesing merged 1 commit intoapache:masterfrom Jan 5, 2026
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In the checkout dialog users can enter object ids manually. As git allows using truncated IDs as identifiers, subsets of the complete id are valid inputs. When these are resolved an the id-part can't be resolved to a single object a dialog pops out telling users, that the commit does not exist. a) The message is wrong. An object with that abreviated id exists, it is just not one, but multiple. b) For the commit dialog the dialog stops the user while typing. This makes entering object id arkward. Both points are addressed here. Observed exception (causing the dialog): INFO [org.netbeans.modules.git]: The given id [7b] is not a commit or an annotated tag. org.eclipse.jgit.errors.AmbiguousObjectException: Object abbreviation 7b is ambiguous at org.eclipse.jgit.lib.Repository.resolveAbbreviation(Repository.java:925) at org.eclipse.jgit.lib.Repository.resolveSimple(Repository.java:853) at org.eclipse.jgit.lib.Repository.resolve(Repository.java:818) at org.eclipse.jgit.lib.Repository.resolve(Repository.java:474) at org.netbeans.libs.git.jgit.Utils.parseObjectId(Utils.java:286) Caused: org.netbeans.libs.git.GitException: The given id [7b] is not a commit or an annotated tag. at org.netbeans.libs.git.jgit.Utils.parseObjectId(Utils.java:290) at org.netbeans.libs.git.jgit.Utils.findCommit(Utils.java:265) at org.netbeans.libs.git.jgit.Utils.findCommit(Utils.java:261) at org.netbeans.libs.git.jgit.commands.LogCommand.run(LogCommand.java:109) at org.netbeans.libs.git.jgit.commands.GitCommand$1.run(GitCommand.java:56) at org.netbeans.libs.git.jgit.commands.GitCommand$1.run(GitCommand.java:53) at java.base/java.security.AccessController.doPrivileged(AccessController.java:251) at org.netbeans.libs.git.jgit.commands.GitCommand.execute(GitCommand.java:53) at org.netbeans.libs.git.GitClient.log(GitClient.java:941) at org.netbeans.modules.git.client.GitClient$38.call(GitClient.java:603) at org.netbeans.modules.git.client.GitClient$38.call(GitClient.java:599) at org.netbeans.modules.git.client.GitClient$CommandInvoker$1$1.call(GitClient.java:945) at org.netbeans.modules.git.client.GitClient$CommandInvoker$1.call(GitClient.java:968) at org.netbeans.modules.git.client.GitClient$CommandInvoker.runMethodIntern(GitClient.java:980) at org.netbeans.modules.git.client.GitClient$CommandInvoker.runMethod(GitClient.java:909) at org.netbeans.modules.git.client.GitClient$CommandInvoker.runMethod(GitClient.java:887) at org.netbeans.modules.git.client.GitClient.log(GitClient.java:599) [catch] at org.netbeans.modules.git.ui.repository.RevisionInfoPanelController$LoadInfoWorker.run(RevisionInfoPanelController.java:179) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1403) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2018)
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In the checkout dialog users can enter object ids manually. As git allows using truncated IDs as identifiers, subsets of the complete id are valid inputs. When these are resolved an the id-part can't be resolved to a single object a dialog pops out telling users, that the commit does not exist.
Both points are addressed here.
Screenshot of the problem:
Observed exception (causing the dialog):