DO NOT REPLY [Bug 3787] New: Optional exit code indicating receiver was changed

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=3787

           Summary: Optional exit code indicating receiver was changed
           Product: rsync
           Version: 2.6.9
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: hashproduct+rsync at gmail.com
         QAContact: rsync-qa at samba.org


I'd like an option that causes rsync to exit with a distinctive exit code, say
26, if everything is successful and one or more files on the receiver were
changed (or would have been changed if --dry-run had not been used).  If
nothing on the receiver was changed, rsync should exit 0.

If rsync had this option, makefiles could implement better dependency logic for
commands that operate on large file trees by using rsync to detect whether a
file tree has changed.  Specifically, my Web site's build system calls rsync
once to collect the files to be posted into a temporary folder and again to
push the temporary folder to the server I'm using.  I'd like to skip the second
rsync if the first rsync does not modify the temporary folder.


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