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hush: revert a recent buggy change which resulted in two HUSH_VERSIONs

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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko 2010-09-06 12:10:51 +02:00
parent 83b900fb82
commit 605067b426
1 changed files with 5 additions and 6 deletions
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11
shell/hush.c
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@ -7329,14 +7329,10 @@ int hush_main(int argc, char **argv)
* therefore we xstrdup: */
G.shell_ver.varstr = xstrdup(hush_version_str),
G.top_var = &G.shell_ver;
/* Create shell local variables from the values
* currently living in the environment */
debug_printf_env("unsetenv '%s'\n", "HUSH_VERSION");
unsetenv("HUSH_VERSION"); /* in case it exists in initial env */
/* reinstate HUSH_VERSION in environment */
debug_printf_env("putenv '%s'\n", G.shell_ver.varstr);
putenv(G.shell_ver.varstr);
/* Initialize our shell local variables with the values
* currently living in the environment */
cur_var = G.top_var;
e = environ;
if (e) while (*e) {
@ -7350,6 +7346,9 @@ int hush_main(int argc, char **argv)
}
e++;
}
/* (Re)insert HUSH_VERSION into env (AFTER we scanned the env!) */
debug_printf_env("putenv '%s'\n", G.shell_ver.varstr);
putenv(G.shell_ver.varstr);
/* Export PWD */
set_pwd_var(/*exp:*/ 1);