Taken from https://bug1339931.bmoattachments.org/attachment.cgi?id=8837771.

# HG changeset patch
# Parent 4732a0e5d22bc7e5c1f1ace7a182d537d9cc2c6a
Add major version to shell and js-config filenames.
Author: Rico Tzschichholz <ricotz@ubuntu.com>
Forwarded: no
Last-Update: 2014-10-29

---
diff --git a/js/src/configure b/js/src/configure
--- a/js/src/configure
+++ b/js/src/configure
@@ -1696,8 +1696,13 @@
 MOZJS_PATCH_VERSION=`echo $MOZILLA_VERSION | sed "s|^[0-9]*\.[0-9]*[^0-9]*||"`
 IS_ALPHA=`echo $MOZILLA_VERSION | grep '[ab]'`
 
+if test -n "$JS_STANDALONE"; then
+JS_SHELL_NAME=js$MOZJS_MAJOR_VERSION
+JS_CONFIG_NAME=js$MOZJS_MAJOR_VERSION-config
+else
 JS_SHELL_NAME=js
 JS_CONFIG_NAME=js-config
+fi
 
 
 if test -n "$IS_ALPHA"; then

diff --git a/js/src/configure.in b/js/src/configure.in
--- a/js/src/configure.in
+++ b/js/src/configure.in
@@ -234,16 +234,13 @@ MOZJS_MINOR_VERSION=`echo $MOZILLA_VERSI
 MOZJS_PATCH_VERSION=`echo $MOZILLA_VERSION | sed "s|^[0-9]*\.[0-9]*[^0-9]*||"`
 IS_ALPHA=`echo $MOZILLA_VERSION | grep '[ab]'`
 
-dnl XXX in a temporary bid to avoid developer anger at renaming files
-dnl XXX before "js" symlinks exist, don't change names.
-dnl
-dnl if test -n "$JS_STANDALONE"; then
-dnl JS_SHELL_NAME=js$MOZJS_MAJOR_VERSION
-dnl JS_CONFIG_NAME=js$MOZJS_MAJOR_VERSION-config
-dnl else
+if test -n "$JS_STANDALONE"; then
+JS_SHELL_NAME=js$MOZJS_MAJOR_VERSION
+JS_CONFIG_NAME=js$MOZJS_MAJOR_VERSION-config
+else
 JS_SHELL_NAME=js
 JS_CONFIG_NAME=js-config
-dnl fi
+fi
 
 changequote([,])
 if test -n "$IS_ALPHA"; then

diff -r 80a9e64d75f5 js/src/Makefile.in
--- a/js/src/Makefile.in        Wed Jun 25 15:11:42 2014 +0200
+++ b/js/src/Makefile.in        Sat Jul 05 14:08:38 2014 +0200
@@ -273,6 +273,9 @@
 SCRIPTS = $(JS_CONFIG_NAME)
 SDK_BINARY = $(JS_CONFIG_NAME)
 
+$(JS_CONFIG_NAME): js-config
+	cp $^ $@
+
 $(JS_LIBRARY_NAME).pc: js.pc
 	cp $^ $@
 
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</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=43cf1fbdd6bcbeedd3adebf5e0300746d9da0431'>root</a>/<a href='/guix/log/etc?id=43cf1fbdd6bcbeedd3adebf5e0300746d9da0431'>etc</a>/<a href='/guix/log/etc/openrc?id=43cf1fbdd6bcbeedd3adebf5e0300746d9da0431'>openrc</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/openrc?id=43cf1fbdd6bcbeedd3adebf5e0300746d9da0431&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td><a href='/guix/commit/etc/openrc?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also ensure prompt_yes_no always print the message with a trailing space,
which is more pleasing to the eye.

* etc/guix-daemon.conf.in &lt;--discover=no&gt;: New guix-daemon option.
* etc/guix-daemon.service.in: Likewise.
* etc/init.d/guix-daemon.in: Likewise.
* etc/openrc/guix-daemon.in: Likewise.
* etc/guix-install.sh (configure_substitute_discovery): New procedure.
(sys_enable_guix_daemon): Ask the user whether automatic substitute discovery
should be enabled.  Set the '--discover' argument accordingly.
(prompt_yes_no): Add a trailing space to the message.
(sys_authorize_build_farms): Remove trailing space from the message argument.
* NEWS (Distribution): Add news.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-09-17 14:10:42 +0200'>2020-09-17</span></td><td><a href='/guix/commit/etc/openrc?id=cabac732deffafc796537658a6c33c6c4aec821e'>guix-install.sh: Support OpenRC.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-install.sh (chk_init_sys): Detect OpenRC.
(sys_enable_guix_daemon): Install &amp; enable the Guix daemon on such
systems.
* etc/openrc/guix-daemon.in: New file.
* nix/local.mk: Add a rule for it.
(openrcservicedir, nodist_openrcservice_DATA): New variables.
(CLEANFILES, EXTRA_DIST): Add them.
* .gitignore: Ignore etc/openrc/guix-daemon.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Morgan Smith</td></tr>