We want to allow builds in chroots that lack /bin/sh.  Thus, system(3)
and popen(3) need to be tweaked to use the right shell.  For the bootstrap
glibc, we just use whatever `sh' can be found in $PATH.  The final glibc
instead uses the hard-coded absolute file name of `bash'.

--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -134,7 +134,7 @@ do_system (const char *line)
       INIT_LOCK ();
 
       /* Exec the shell.  */
-      (void) __execve (SHELL_PATH, (char *const *) new_argv, __environ);
+      (void) __execvpe (SHELL_NAME, (char *const *) new_argv, __environ);
       _exit (127);
     }
   else if (pid < (pid_t) 0)

--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -145,7 +145,7 @@ _IO_new_proc_open (fp, command, mode)
 	    _IO_close (fd);
 	}
 
-      _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0);
+      execlp ("sh", "sh", "-c", command, (char *) 0);
       _IO__exit (127);
     }
   _IO_close (child_end);


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<div class='path'>path: <a href='/guix/log/?id=ceac05b8ebb2f81a2a36c596231a515ea2558b1d'>root</a>/<a href='/guix/log/gnu?id=ceac05b8ebb2f81a2a36c596231a515ea2558b1d'>gnu</a>/<a href='/guix/log/gnu/services?id=ceac05b8ebb2f81a2a36c596231a515ea2558b1d'>services</a>/<a href='/guix/log/gnu/services/pm.scm?id=ceac05b8ebb2f81a2a36c596231a515ea2558b1d'>pm.scm</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/gnu/services/pm.scm?id=ceac05b8ebb2f81a2a36c596231a515ea2558b1d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-02-02 10:42:16 +0100'>2020-02-02</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=8a890f3c40f698c976dc2a759ccc9c11641bd4f6'>gnu: tlp: Update to 1.3.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/linux.scm (tlp): Update to 1.3.0.
[source]: Hard-code name in origin URI.
[native-inputs]: Add "shellcheck".
[arguments]: Activate some tests.  Update environment variables.  Ignore
tlp-rdw man pages.
* gnu/services/pm.scm (tlp-activation): Update configuration file name.
</span></span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2019-08-26 13:40:45 +0200'>2019-08-26</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=94b98ef7a089d7a5720a9af2369dc994eb7ffe9d'>services: tlp, thermald: Add descriptions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/pm.scm (tlp-service-type)[description]: New field.
(thermald-service-type)[description]: New field.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-20 12:16:11 -0400'>2018-06-20</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=6a18183f4b82688bd4417d075d3f7ba20e008119'>services: Fix GPLv3 header in cuirass and pm modules.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/cuirass.scm, gnu/services/pm.scm: Adjust to canonical GPLv3
header used throughout Guix.

Signed-off-by: Leo Famulari &lt;leo@famulari.name&gt;
</span></span></td><td>Nils Gillmann</td></tr>
<tr><td><span title='2017-05-14 18:56:32 -0500'>2017-05-14</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=d7fa39ccec34bc223d52a04dfc3e1f756e2dfa24'>services: Add 'thermald-service-type'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/pm.scm (&lt;thermald-configuration&gt;): New record type.
(thermald-shepherd-service, thermald-service-type): New variables.
* doc/guix.texi (Thermal Management): New section documenting thermald.
</span></span></td><td>Christopher Allan Webber</td></tr>
<tr><td><span title='2017-04-16 00:48:08 +0200'>2017-04-16</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=3d3c56500843b5573ba6419db5e66075fb8ac8ef'>services: Add a default value to various service types.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/admin.scm (rottlog-service-type)[default-value]: New
field.
* gnu/services/base.scm (guix-service-type)[default-value]: New field.
(guix-publish-service-type)[default-value]: New field.
* gnu/services/cups.scm (cups-service-type)[default-value]: New field.
* gnu/services/dict.scm (dicod-service-type)[default-value]: New field.
* gnu/services/mcron.scm (mcron-service-type)[default-value]: New field.
* gnu/services/networking.scm (&lt;tor-configuration&gt;)[config-file]: Add
default value.
(tor-service-type)[default-value]: New field.
(&lt;bitlbee-configuration&gt;)[interface, port, extra-settings]: Add default
values.
(bitlbee-service-type)[default-value]: New field.
(wpa-supplicant-service-type)[default-value]: New field.
(tlp-service-type)[default-value]: New field.
(openssh-service-type)[default-value]: New field.
* doc/guix.texi (Base Services, Log Rotation)
(Networking Services, Printing Services):
(Power management Services): Adjust examples accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-31 20:55:05 -0500'>2017-03-31</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=9fc221b58cecd73e22cac01cb0918a774a4a7b2f'>doc: Fix typos.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Build Systems)[ocaml-build-system]: Fix typo.
(Log Rotation)[periodic-rotations]: ditto.
(Database Services)[redis-service-type]: ditto.
(OpenSMTPD Service)[opensmtpd-configuration]: ditto.
(VPN Services)[OpenVPN]: ditto.
(Power management Services)[tlp-configuration]: ditto.
(Git daemon service)[git-daemon-service]: ditto.
(Running GuixSD in a VM): ditto.
* gnu/services/pm.scm (tlp-configuration)[runtime-pm-blacklist]: Fix typo.
* gnu/services/vpn.scm (openvpn-client-configuration)[status]: ditto.
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2017-03-24 16:09:17 +0100'>2017-03-24</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=bfbf6e1e1009cc2697b38d6c7ea2ebdd9db627f6'>gnu: Add tlp service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/pm.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add gnu/services/tlp.scm.
* doc/guix.texi (Power management Services): New section.

Signed-off-by: Clément Lassieur &lt;clement@lassieur.org&gt;
</span></span></td><td>Mathieu Othacehe</td></tr>