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lib/kargs: allow empty-list arguments

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This adds support for empty-list arguments (e.g. `acpi_osi=`), which
are semantically different from simple-keyword arguments.

Ref: https://github.com/projectatomic/rpm-ostree/issues/1706

Closes: #1785
Approved by: cgwalters
This commit is contained in:
Luca Bruno 2018-12-10 16:03:36 +00:00 committed by Atomic Bot
parent d044bfeb30
commit 3ecbdd8197
2 changed files with 17 additions and 26 deletions
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35
src/libostree/ostree-kernel-args.c
View File

@ -33,23 +33,14 @@ static char *
split_keyeq (char *arg)
{
char *eq;
eq = strchr (arg, '=');
if (eq)
{
/* Note key/val are in one malloc block,
* so we don't free val...
*/
*eq = '\0';
return eq+1;
}
else
{
/* ...and this allows us to insert a constant
* string.
*/
return "";
}
if (eq == NULL)
return NULL;
// Note: key/val are in a single allocation block, so we don't free val.
*eq = '\0';
return eq+1;
}
static gboolean
@ -264,8 +255,10 @@ _ostree_kernel_args_to_strv (OstreeKernelArgs *kargs)
for (j = 0; j < values->len; j++)
{
const char *value = values->pdata[j];
g_ptr_array_add (strv, g_strconcat (key, "=", value, NULL));
if (value == NULL)
g_ptr_array_add (strv, g_strconcat (key, NULL));
else
g_ptr_array_add (strv, g_strconcat (key, "=", value, NULL));
}
}
g_ptr_array_add (strv, NULL);
@ -297,14 +290,12 @@ _ostree_kernel_args_to_string (OstreeKernelArgs *kargs)
else
g_string_append_c (buf, ' ');
if (value && *value)
g_string_append (buf, key);
if (value != NULL)
{
g_string_append (buf, key);
g_string_append_c (buf, '=');
g_string_append (buf, value);
}
else
g_string_append (buf, key);
}
}

8
tests/test-admin-instutil-set-kargs.sh
View File

@ -33,21 +33,21 @@ ${CMD_PREFIX} ostree --repo=sysroot/ostree/repo pull-local --remote=testos testo
${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmaster/x86_64-runtime
${CMD_PREFIX} ostree admin instutil set-kargs FOO=BAR
${CMD_PREFIX} ostree admin instutil set-kargs FOO=BAZ FOO=BIF TESTARG=TESTVALUE
${CMD_PREFIX} ostree admin instutil set-kargs FOO=BAZ FOO=BIF TESTARG=TESTVALUE KEYWORD EMPTYLIST=
assert_not_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=BAR'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=BAZ .*FOO=BIF'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE KEYWORD EMPTYLIST='
echo "ok instutil set-kargs (basic)"
${CMD_PREFIX} ostree admin instutil set-kargs --merge FOO=BAR
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=BAZ .*FOO=BIF .*FOO=BAR'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE KEYWORD EMPTYLIST='
echo "ok instutil set-kargs --merge"
${CMD_PREFIX} ostree admin instutil set-kargs --merge --replace=FOO=XXX
assert_not_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=BAR'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=XXX'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE'
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*TESTARG=TESTVALUE KEYWORD EMPTYLIST='
echo "ok instutil set-kargs --replace"
${CMD_PREFIX} ostree admin instutil set-kargs --merge --append=FOO=BAR --append=APPENDARG=VALAPPEND --append=APPENDARG=2NDAPPEND testos:testos/buildmaster/x86_64-runtime