--all::
Instead of using only the annotated tags, use any ref
found in `.git/refs/`. This option enables matching
- any known branch, remote branch, or lightweight tag.
+ any known branch, remote-tracking branch, or lightweight tag.
--tags::
Instead of using only the annotated tags, use any tag
of commits which would be displayed by "git log v1.0.4..parent".
The hash suffix is "-g" + 7-char abbreviation for the tip commit
of parent (which was `2414721b194453f058079d897d13c4e377f92dc6`).
+The "g" prefix stands for "git" and is used to allow describing the version of
+a software depending on the SCM the software is managed with. This is useful
+in an environment where people may use different SCMs.
Doing a 'git describe' on a tag-name will just show the tag name: