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authorcashmere <cashmere@autistici.org>2026-09-04 09:05:24 +0200
committercashmere <cashmere@autistici.org>2026-09-04 09:05:24 +0200
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+<title>Fossil Tips And Usage Hints</title>
+
+A collection of useful hints and tricks in no particular order:
+
+ 1. Click on two nodes of any timeline graph in succession
+ to see a diff between the two versions.
+
+ 2. Add the "--tk" option to "[/help/diff | fossil diff]" commands
+ to get a pop-up
+ window containing a complete side-by-side diff. (NB: The pop-up
+ window is run as a separate Tcl/Tk process, so you will need to
+ have Tcl/Tk installed on your machine for this to work. Visit
+ [http://www.activestate.com/activetcl] for a quick download of
+ Tcl/Tk if you do not already have it on your system.)
+
+ 3. The "[/help/clean | fossil clean -x]" command is a great
+ alternative to "make clean". You can use "[/help/clean | fossil clean -f]"
+ as a slightly safer alternative if the "ignore-glob" setting is
+ not set. WARNING: make sure you did a "fossil add" for all source-files
+ you plan to commit, otherwise those files will be deleted without warning.
+
+ 4. Use "[/help/all | fossil all changes]" to look for any uncommitted
+ edits in any of your Fossil projects. Use
+ "[/help/all | fossil all pull]" on your laptop
+ prior to going off network (for example, on a long plane ride)
+ to make sure you have all the latest content locally. Then run
+ "[/help/all|fossil all push]" when you get back online to upload
+ your changes.
+
+ 5. To see an entire timeline, type "all" into the "Max:" entry box.
+
+ 6. You can manually add a "c=CHECKIN" query parameter to the timeline
+ URL to get a snapshot of what was going on about the time of some
+ check-in. The "CHECKIN" can be
+ [./checkin_names.wiki | any valid check-in or version name], including
+ tags, branch names, and dates. For example, to see what was going
+ on in the Fossil repository on 2008-01-01, visit
+ [/timeline?c=2008-01-01].
+
+ 7. Further to the previous two hints, there are lots of query parameters
+ that you can add to timeline pages. The available query parameters
+ are tersely documented [/help/www/timeline | here].
+
+ 8. You can run "[/help/xdiff | fossil xdiff --tk $file1 $file2]"
+ to get a Tk pop-up window with side-by-side diffs of two files, even if
+ neither of the two files is part of any Fossil repository. Note that
+ this command is "xdiff", not "diff". Change <nobr>--tk</nobr> to
+ <nobr>--by</nobr> to see the diff in your web browser.
+
+ 9. On web pages showing the content of a file (for example
+ [/artifact/c7dd1de9f]) you can manually
+ add a query parameter of the form "ln=FROM,TO" to the URL that
+ will cause the range of lines indicated to be highlighted. This
+ is useful in pointing out a few lines of code using a hyperlink
+ in an email or text message. Example:
+ [/artifact/c7dd1de9f?ln=28,30].
+ Adding the "ln" query parameter without any argument simply turns
+ on line numbers. This feature only works right with files with
+ a mimetype of text/plain, of course.
+
+ 10. When editing documentation to be checked in as managed files, you can
+ preview what the documentation will look like by using the special
+ "ckout" branch name in the "doc" URL while running "fossil ui".
+ See the [./embeddeddoc.wiki | embedded documentation] for details.
+
+ 11. Use the "[/help/ui|fossil ui /]" command to bring up a menu of
+ all of your local Fossil repositories in your web browser.
+
+ 12. If you have a bunch of Fossil repositories living on a remote machine
+ that you are able to access using ssh using a command like
+ "ssh login@remote", then you can bring up a user interface for all
+ those remote repositories using the command:
+ "[/help/ui|fossil ui login@remote:/]". This works by tunneling
+ all HTTP traffic through SSH to the remote machine.