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From b0b7669740fd8cb9ee465d0f978ed30d5e28af6e Mon Sep 17 00:00:00 2001
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From: Lubomir Rintel <lkundrak@v3.sk>
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Date: Wed, 27 Nov 2013 16:59:50 +0100
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Subject: [PATCH 10/41] extlinux: Understand "default" properly
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The configuration looks like the following:
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default Fedora (3.11.6-301.fc20.i686+PAE) 20 (Heisenbug)
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title Fedora (3.11.6-301.fc20.i686+PAE) 20 (Heisenbug)
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...
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Grubby skips over the default clause as it has more than one element. And even
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if it did not, it would not match it against the title, since it handles titles
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specially, concatenating the title, but not the default clause.
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This commit adds special handling for extlinux, which causes it to parse
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default and title in the same way.
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Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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---
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grubby.c | 15 ++++++++++-----
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1 file changed, 10 insertions(+), 5 deletions(-)
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diff --git a/grubby.c b/grubby.c
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index 895ed06..21c5044 100644
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--- a/grubby.c
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+++ b/grubby.c
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@@ -159,6 +159,7 @@ struct configFileInfo {
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int defaultIsVariable;
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int defaultSupportSaved;
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int defaultIsSaved;
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+ int defaultIsUnquoted;
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enum lineType_e entryStart;
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enum lineType_e entryEnd;
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int needsBootPrefix;
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@@ -630,6 +631,7 @@ struct configFileInfo extlinuxConfigType = {
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.needsBootPrefix = 1,
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.maxTitleLength = 255,
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.mbAllowExtraInitRds = 1,
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+ .defaultIsUnquoted = 1,
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};
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struct grubConfig {
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@@ -1185,9 +1187,6 @@ static struct grubConfig * readConfig(const char * inName,
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cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
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defaultLine = line;
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}
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- } else if (line->type == LT_DEFAULT && line->numElements == 2) {
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- cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
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- defaultLine = line;
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} else if (iskernel(line->type)) {
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/* if by some freak chance this is multiboot and the "module"
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@@ -1220,8 +1219,9 @@ static struct grubConfig * readConfig(const char * inName,
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cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);
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if (*end) cfg->fallbackImage = -1;
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- } else if (line->type == LT_TITLE && line->numElements > 1) {
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- /* make the title a single argument (undoing our parsing) */
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+ } else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) ||
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+ (line->type == LT_TITLE && line->numElements > 1)) {
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+ /* make the title/default a single argument (undoing our parsing) */
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len = 0;
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for (int i = 1; i < line->numElements; i++) {
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len += strlen(line->elements[i].item);
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@@ -1328,6 +1328,11 @@ static struct grubConfig * readConfig(const char * inName,
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}
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}
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+ if (line->type == LT_DEFAULT && line->numElements == 2) {
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+ cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
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+ defaultLine = line;
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+ }
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+
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/* If we find a generic config option which should live at the
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top of the file, move it there. Old versions of grubby were
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probably responsible for putting new images in the wrong
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--
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2.4.3
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