README.qmd slides/slides.qmd: add warning banner on push pull and clone command

README.qmd

@@ -709,6 +709,14 @@ Filtering options:
 
 # sharing gblk repositories
 
+::: {.callout-important}
+If many people works with gblk, the push and pull commands may not work properly yet !
+Indeed, the remote folder rigths may blocks you if another people has created this folder and you whant to update it.
+
+If you work with other people you might have trouble: if you pull a gblk remote folder update by other, you will lose your unpulled commited results. And if you make a push, you will erase others changes
+:::
+
+
 When you produce some results for a particular project, you may want to share them with others who are working with you. With gblk you can share your `.borg` repository with other or update it with changes done by others.
 
 ::: {.callout-note}

slides/slides.qmd

@@ -1219,6 +1219,15 @@ Keeping archive (rule: weekly #2):       df0eb... Fri, 2023-02-10 16:15:56 [c940
 ## Sharing gblk repositories
 
 
+::: {.callout-important}
+If many people works with gblk, the push and pull commands may not work properly yet !
+Indeed, the remote folder rigths may blocks you if another people has created this folder and you whant to update it.
+
+If you work with other people you might have trouble: if you pull a gblk remote folder update by other, you will lose your unpulled commited results. And if you make a push, you will erase others changes
+:::
+
+## Sharing gblk repositories {.unnumbered .unlisted}
+
 When you produce some results for a particular project, you may want to *share them with others* who are working with you. With gblk you can share your `.borg` repository with others or update it with chnages done by others.
 
 ::: {.callout-note}