Doc: Update info about using Git

Update text and screenshots.

Task-number: QTCREATORBUG-23364
Change-Id: Id936d35374fca7ababbbfa35fef507d1cc371786
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: André Hartmann <aha_1980@gmx.de>

doc/qtcreator/src/vcs/creator-vcs-git.qdoc

@@ -96,18 +96,38 @@
 
     To display the versioning history of a file, select \uicontrol{Log of}.
     The log output contains the date, the commit message, and a commit
-    identifier. Click on the commit identifier to display a description
-    of the change including the diff in the \uicontrol {Git Show} view.
+    identifier. Click on the commit identifier to view commit details.
 
-    \image qtcreator-vcs-show.png
+    \image qtcreator-git-log.png "Commit details in Git log"
 
     Right-clicking on a commit identifier brings up a context menu that lets
     you apply actions on the commit, such as view annotations or cherry-pick
-    or revert a commit.
+    or revert a commit. For more information, see \l{Working with Branches}.
+
+    To toggle the diff view, select \uicontrol Diff. To use the patience
+    algorithm for calculating the differences, select \uicontrol Patience.
+    To only show text changes, select \uicontrol {Ignore Whitespace}.
+
+    To filter log entries by the text in the commit message or by strings that
+    were added or removed, select \uicontrol Filter.
+
+    To follow only the first parent on merge commits, select
+    \uicontrol {First Parent}.
+
+    To toggle between textual and visual representation of the log, select
+    \uicontrol Graph.
+
+    To show log also for previous names of the file, select \uicontrol Follow.
 
     Select \inlineimage reload_gray.png
     (\uicontrol Reload) to rescan the files.
 
+    To display a description of the change including the diff in the
+    \uicontrol {Git Show} view, select \uicontrol {Describe Change} in the
+    context menu.
+
+    \image qtcreator-vcs-show.png "Commit description in Git show"
+
     \section2 Viewing Annotations
 
     To view annotations, select \uicontrol{Blame}. The view displays the lines
@@ -174,7 +194,9 @@
     \section2 Viewing Git Status
 
     To view the status of the repository in the \uicontrol {Version Control}
-    output view, select \uicontrol Status.
+    output pane, select \uicontrol Status. The context menu contains additional
+    actions, such as selecting and clearing all entries in the pane, copying
+    text, and opening files.
 
     \section2 Committing Changes to Git
 
@@ -226,6 +248,13 @@
     \uicontrol {Interactive Rebase}. You can reorder or discard commits, squash
     them into a single commit, or edit the commit messages.
 
+    If you already pushed the local changes to a remote, \QC refuses
+    the interactive rebase because the local commits are missing. To
+    start the interactive rebase from the change log, select
+    \uicontrol Branches > \uicontrol Log. Select the change, and then
+    select > \uicontrol {Interactive Rebase from Change} in the context
+    menu.
+
     \section2 Working with Branches
 
     To work with Git branches, select \uicontrol {Branches}. The checked out
@@ -239,6 +268,10 @@
     (\uicontrol {Filter Tree}), and then select
     \uicontrol {Include Old Entries} and \uicontrol {Include Tags}.
 
+    To add a tag to a change in the change log, select \uicontrol Branches >
+    \uicontrol Log. Select the change, and then select > \uicontrol {Add Tag
+    for Change} in the context menu.
+
     If you checked out a specific commit, the list of branches displays a
     \e {Detached HEAD} entry.
 
@@ -422,6 +455,8 @@
     to perform a rebase operation while pulling.
 
     To push committed changes to the remote repository, select \uicontrol Push.
+    If the local branch does not have an upstream branch in the remote
+    repository, \QC prompts you to create it and set it as upstream.
 
     \section2 Managing Remote Repositories