Add mergetool merge feature (execute external tool)

see: https://git-scm.com/docs/git-mergetool

* implement mergetool merge function (execute external tool)
* add ExecutionResult and commandExecutionError to ToolException
* handle "base not present" case (empty or null base file path)
* handle deleted (rm) and modified (add) conflicts
* handle settings
 * keepBackup
 * keepTemporaries
 * writeToTemp

Bug: 356832
Change-Id: Id323c2fcb1c24d12ceb299801df8bac51a6d463f
Signed-off-by: Andre Bossert <andre.bossert@siemens.com>

1 files changed, 18 insertions, 2 deletions

diff --git a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
index 8e2eef7eb2..674185df2b 100644
--- a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
+++ b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
@@ -58,8 +58,8 @@ couldNotCreateBranch=Could not create branch {0}: {1}
 dateInfo=Date:   {0}
 deletedBranch=Deleted branch {0}
 deletedRemoteBranch=Deleted remote branch {0}
-diffToolHelpSetToFollowing='git difftool --tool=<tool>' may be set to one of the following:\n{0}\n\tuser-defined:\n{1}\nThe following tools are valid, but not currently available:\n{2}\nSome of the tools listed above only work in a windowed\nenvironment. If run in a terminal-only session, they will fail.
-diffToolLaunch=Viewing ({0}/{1}): '{2}'\nLaunch '{3}' [Y/n]?
+diffToolHelpSetToFollowing=''git difftool --tool=<tool>'' may be set to one of the following:\n{0}\n\tuser-defined:\n{1}\nThe following tools are valid, but not currently available:\n{2}\nSome of the tools listed above only work in a windowed\nenvironment. If run in a terminal-only session, they will fail.
+diffToolLaunch=Viewing ({0}/{1}): ''{2}''\nLaunch ''{3}'' [Y/n]?
 diffToolDied=external diff died, stopping at path ''{0}'' due to exception: {1}
 doesNotExist={0} does not exist
 dontOverwriteLocalChanges=error: Your local changes to the following file would be overwritten by merge:
@@ -91,6 +91,22 @@ listeningOn=Listening on {0}
 logNoSignatureVerifier="No signature verifier available"
 mergeConflict=CONFLICT(content): Merge conflict in {0}
 mergeCheckoutConflict=error: Your local changes to the following files would be overwritten by merge:
+mergeToolHelpSetToFollowing=''git mergetool --tool=<tool>'' may be set to one of the following:\n{0}\n\tuser-defined:\n{1}\nThe following tools are valid, but not currently available:\n{2}\nSome of the tools listed above only work in a windowed\nenvironment. If run in a terminal-only session, they will fail.
+mergeToolLaunch=Hit return to start merge resolution tool ({0}):
+mergeToolDied=local or remote cannot be found in cache, stopping at {0}
+mergeToolNoFiles=No files need merging
+mergeToolMerging=Merging:\n{0}
+mergeToolUnknownConflict=\nUnknown merge conflict for ''{0}'':
+mergeToolNormalConflict=\nNormal merge conflict for ''{0}'':\n  '{'local'}': modified file\n  '{'remote'}': modified file
+mergeToolMergeFailed=merge of {0} failed
+mergeToolExecutionError=excution error
+mergeToolFileUnchanged=\n{0} seems unchanged.
+mergeToolDeletedConflict=\nDeleted merge conflict for ''{0}'':
+mergeToolDeletedConflictByUs=  {local}: deleted\n  {remote}: modified file
+mergeToolDeletedConflictByThem=  {local}: modified file\n  {remote}: deleted
+mergeToolContinueUnresolvedPaths=\nContinue merging other unresolved paths [y/n]?
+mergeToolWasMergeSuccessfull=Was the merge successful [y/n]?
+mergeToolDeletedMergeDecision=Use (m)odified or (d)eleted file, or (a)bort?
 mergeFailed=Automatic merge failed; fix conflicts and then commit the result
 mergeCheckoutFailed=Please, commit your changes or stash them before you can merge.
 mergeMadeBy=Merge made by the ''{0}'' strategy.