third_party/rules_rust: remove direnv dependency for loader_wrapper
Change-Id: I0eb1106b8ec3775ee1218fa9874dcadee3419403
Reviewed-on: https://review.monogon.dev/c/monogon/+/4408
Tested-by: Jenkins CI
Reviewed-by: Jan Schär <jan@monogon.tech>
diff --git a/third_party/rules_rust/musl.patch b/third_party/rules_rust/musl.patch
index 81fce04..ca3c594 100644
--- a/third_party/rules_rust/musl.patch
+++ b/third_party/rules_rust/musl.patch
@@ -38,7 +38,7 @@
index 00000000..29805d8d
--- /dev/null
+++ b/rust/private/loader_wrapper.sh
-@@ -0,0 +1,18 @@
+@@ -0,0 +1,51 @@
+#!/bin/sh
+
+# Running rustc and other tools directly doesn't work, because that would
@@ -48,6 +48,39 @@
+
+set -eu
+
++dirname() {
++ # Usage: dirname "path"
++
++ # If '$1' is empty set 'dir' to '.', else '$1'.
++ dir=${1:-.}
++
++ # Strip all trailing forward-slashes '/' from
++ # the end of the string.
++ #
++ # "${dir##*[!/]}": Remove all non-forward-slashes
++ # from the start of the string, leaving us with only
++ # the trailing slashes.
++ # "${dir%%"${}"}": Remove the result of the above
++ # substitution (a string of forward slashes) from the
++ # end of the original string.
++ dir=${dir%%"${dir##*[!/]}"}
++
++ # If the variable *does not* contain any forward slashes
++ # set its value to '.'.
++ [ "${dir##*/*}" ] && dir=.
++
++ # Remove everything *after* the last forward-slash '/'.
++ dir=${dir%/*}
++
++ # Again, strip all trailing forward-slashes '/' from
++ # the end of the string (see above).
++ dir=${dir%%"${dir##*[!/]}"}
++
++ # Print the resulting string and if it is empty,
++ # print '/'.
++ printf '%s\n' "${dir:-/}"
++}
++
+selfDir="$(dirname "$0")"
+rootPath="$(dirname "$selfDir")"
+