mhfixmsg.man: Replace UTF-8 `§' with `\(sc' troff escape.

[nmh] / tools / showbuildenv

diff --git a/tools/showbuildenv b/tools/showbuildenv
index 415c169dad3406d219e9b2b5b2a2541ed83be54f..81f278e86bd257b0a951c56738aa9616ac3fb926 100755 (executable)
--- a/tools/showbuildenv
+++ b/tools/showbuildenv
@@ -5,20 +5,40 @@
 # build environment on machines they can't login on.  It also provides
 # a history in the build logs that might be useful in catching
 # regressions.
-# 
+#
 # This script should *only* report basic information about the build
 # environment, and only that necessary to reproduce the build
 # environment.
+#
+# The script's exit status must be zero if all went acceptably well as
+# buildbot checks for this and marks the `environment' stage as failed
+# otherwise.
 
 offset () {
-    sed -e 's/^/    /'
+    sed -e '/./s/^/    /' "$@"
 }
+
 header () {
     echo
-    echo $*
+    echo "$@"
     echo
 }
 
+# os-release is the new s*stemd standard.  Then it's the more unique
+# ones with redhat-release bringing up the rear because other platforms
+# also use that to placate broken logic that use its prescence as a
+# use-RPM test.
+for f in \
+    /etc/os-release /etc/arch-release /etc/debian_version \
+    /etc/fedora-release /etc/gentoo-release /etc/redhat-release \
+    /etc/lsb-release \
+    ; do
+    test -f $f || continue
+    header $f
+    offset $f
+    break
+done
+
 os=`uname`
 
 for i in a m p r s v; do
@@ -28,7 +48,6 @@ done
 header Shell Variables:
 set | sort -d -t= | offset
 
-
 case ${os} in
 
   Darwin)
@@ -45,8 +64,8 @@ case ${os} in
        cc -v 2>&1 | offset
 
        header Installed packages:
+        #### pkg(7) or pkg_info(1) might not always be available.
        (pkg info 2>/dev/null | offset) || true
        (pkg_info 2>/dev/null | offset) || true
        ;;
-
 esac