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common_trans: leave the shell handle commands containing = in arg0

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This is probably an environment variable definition.

* bin/common_trans.cc: Here.  A use-case appears in the test of the
next patch.
This commit is contained in:
Alexandre Duret-Lutz 2017-09-01 20:20:36 +02:00
parent fbb9e4374e
commit 7b9cedc697
1 changed files with 9 additions and 1 deletions
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10
bin/common_trans.cc
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@ -584,7 +584,8 @@ skip_ws(const char*& cmd)
// - can have >stderr and <stdin redirection
// In particular, variable interpolation is not supported. Complex
// redirections (>& and such) are not support. Chains of commands
// (pipes, semi-colons, etc.) are not supported.
// (pipes, semi-colons, etc.) are not supported. Envvar definitions
// before the command are not supported.
static void
exec_command(const char* cmd)
{
@ -635,6 +636,13 @@ exec_command(const char* cmd)
}
}
}
// If result is empty, we failed to found the command; let's see if
// the shell is smarter. If the command contains '=', it's unlikely
// to be a command, but probably an environment variable defintion
// as in
// FOO=1 command args..
if (result.empty() || strchr(result[0], '='))
goto use_shell;
{
if (stdin)
{