major overhaul with new functions. docs are lacking

renv/activate.R

@@ -2,11 +2,13 @@
 local({
 
   # the requested version of renv
-  version <- "1.0.5"
+  version <- "1.0.7"
   attr(version, "sha") <- NULL
 
   # the project directory
-  project <- getwd()
+  project <- Sys.getenv("RENV_PROJECT")
+  if (!nzchar(project))
+    project <- getwd()
 
   # use start-up diagnostics if enabled
   diagnostics <- Sys.getenv("RENV_STARTUP_DIAGNOSTICS", unset = "FALSE")
@@ -129,6 +131,21 @@ local({
   
   }
   
+  heredoc <- function(text, leave = 0) {
+  
+    # remove leading, trailing whitespace
+    trimmed <- gsub("^\\s*\\n|\\n\\s*$", "", text)
+  
+    # split into lines
+    lines <- strsplit(trimmed, "\n", fixed = TRUE)[[1L]]
+  
+    # compute common indent
+    indent <- regexpr("[^[:space:]]", lines)
+    common <- min(setdiff(indent, -1L)) - leave
+    paste(substring(lines, common), collapse = "\n")
+  
+  }
+  
   startswith <- function(string, prefix) {
     substring(string, 1, nchar(prefix)) == prefix
   }
@@ -631,6 +648,9 @@ local({
   
     # if the user has requested an automatic prefix, generate it
     auto <- Sys.getenv("RENV_PATHS_PREFIX_AUTO", unset = NA)
+    if (is.na(auto) && getRversion() >= "4.4.0")
+      auto <- "TRUE"
+  
     if (auto %in% c("TRUE", "True", "true", "1"))
       return(renv_bootstrap_platform_prefix_auto())
   
@@ -822,24 +842,23 @@ local({
   
     # the loaded version of renv doesn't match the requested version;
     # give the user instructions on how to proceed
-    remote <- if (!is.null(description[["RemoteSha"]])) {
+    dev <- identical(description[["RemoteType"]], "github")
+    remote <- if (dev)
       paste("rstudio/renv", description[["RemoteSha"]], sep = "@")
-    } else {
+    else
       paste("renv", description[["Version"]], sep = "@")
-    }
   
     # display both loaded version + sha if available
     friendly <- renv_bootstrap_version_friendly(
       version = description[["Version"]],
-      sha     = description[["RemoteSha"]]
+      sha     = if (dev) description[["RemoteSha"]]
     )
   
-    fmt <- paste(
-      "renv %1$s was loaded from project library, but this project is configured to use renv %2$s.",
-      "- Use `renv::record(\"%3$s\")` to record renv %1$s in the lockfile.",
-      "- Use `renv::restore(packages = \"renv\")` to install renv %2$s into the project library.",
-      sep = "\n"
-    )
+    fmt <- heredoc("
+      renv %1$s was loaded from project library, but this project is configured to use renv %2$s.
+      - Use `renv::record(\"%3$s\")` to record renv %1$s in the lockfile.
+      - Use `renv::restore(packages = \"renv\")` to install renv %2$s into the project library.
+    ")
     catf(fmt, friendly, renv_bootstrap_version_friendly(version), remote)
   
     FALSE