Add env-minimize.

danfuzz · Nov 6, 2023 · 5b8333e · 5b8333e
1 parent 19afc89
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -10,7 +10,8 @@ Breaking changes:
 * None.
 
 Other notable changes:
-* `bashy-basics`: New utility functions `env-clean` and `env-names`.
+* `bashy-basics`: New utility functions `env-clean`, `env-minimize`, and
+  `env-names`.
 
 ### v2.7 -- 2023-10-30
 

diff --git a/scripts/lib/bashy-basics/_setup.sh b/scripts/lib/bashy-basics/_setup.sh
@@ -79,6 +79,12 @@ function env-clean {
     done
 }
 
+# Runs `env-clean` passing it a reasonably "minimal" set of environment
+# variables to keep.
+function env-minimize {
+    env-clean HOME HOSTNAME LANG LOGNAME PATH PWD SHELL SHLVL TERM TMPDIR USER
+}
+
 # Prints a list of the names of all defined environment variables.
 function env-names {
     # It turns out that the most straightforward way to get a list of