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A couple BLS fixes and various grub2 cleanups
- Various grub2 cleanups (pbrobinson)
- Another fix for blscfg variable expansion support
- blscfg: Add support for sorting the plus ('+') higher than base version
Resolves: rhbz#1767395
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas
parent
8733281382
commit
3f3dfd4006
4 changed files with 100 additions and 9 deletions
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@ -15,14 +15,27 @@ Resolves: rhbz#1669252
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 19 +++++++++----------
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1 file changed, 9 insertions(+), 10 deletions(-)
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grub-core/commands/blscfg.c | 31 ++++++++++++++++++-------------
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1 file changed, 18 insertions(+), 13 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index 471975fd2e5..32d3252502e 100644
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index 471975fd2e5..d78cff79f97 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -602,17 +602,16 @@ static char *field_append(bool is_var, char *buffer, char *start, char *end)
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@@ -593,26 +593,29 @@ static char **bls_make_list (struct bls_entry *entry, const char *key, int *num)
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static char *field_append(bool is_var, char *buffer, char *start, char *end)
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{
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- char *temp = grub_strndup(start, end - start + 1);
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- const char *field = temp;
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+ char *tmp = grub_strndup(start, end - start + 1);
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+ const char *field = tmp;
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+ int term = is_var ? 2 : 1;
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if (is_var) {
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- field = grub_env_get (temp);
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+ field = grub_env_get (tmp);
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if (!field)
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return buffer;
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}
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@ -35,17 +48,29 @@ index 471975fd2e5..32d3252502e 100644
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- if (!buffer)
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- return NULL;
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+ if (!buffer)
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+ buffer = grub_zalloc (grub_strlen(field) + 1);
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+ buffer = grub_zalloc (grub_strlen(field) + term);
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+ else
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+ buffer = grub_realloc (buffer, grub_strlen(buffer) + grub_strlen(field) + 1);
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+ buffer = grub_realloc (buffer, grub_strlen(buffer) + grub_strlen(field) + term);
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- grub_stpcpy (buffer + grub_strlen(buffer), field);
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- }
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+ if (!buffer)
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+ return NULL;
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+
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+ grub_stpcpy (buffer + grub_strlen(buffer), field);
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+ grub_stpcpy (buffer + grub_strlen(buffer), " ");
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+ tmp = buffer + grub_strlen(buffer);
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+ tmp = grub_stpcpy (tmp, field);
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+
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+ if (is_var)
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+ tmp = grub_stpcpy (tmp, " ");
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return buffer;
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}
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@@ -642,6 +645,8 @@ static char *expand_val(char *value)
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buffer = field_append(is_var, buffer, start, end);
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is_var = false;
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start = value;
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+ if (*start == ' ')
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+ start++;
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}
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}
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@ -0,0 +1,59 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Mon, 4 Nov 2019 17:33:30 +0100
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Subject: [PATCH] blscfg: Add support for sorting the plus ('+') higher than
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base version
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Handle plus separator. Concept is the same as tilde, except that if one of
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the strings ends (base version), the other is considered as higher version.
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A plus character is used for example by the Linux kernel build system to
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denote that is the base version plus some changes on top of it.
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Currently for example rpmvercmp("5.3.0", "5.3.0+") will return 0 even when
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the two versions are not the same.
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Resolves: rhbz#1767395
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 19 +++++++++++++++++--
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1 file changed, 17 insertions(+), 2 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index d78cff79f97..83b33c1cd93 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -163,8 +163,8 @@ static int vercmp(const char * a, const char * b)
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/* loop through each version segment of str1 and str2 and compare them */
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while (*one || *two) {
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- while (*one && !grub_isalnum(*one) && *one != '~') one++;
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- while (*two && !grub_isalnum(*two) && *two != '~') two++;
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+ while (*one && !grub_isalnum(*one) && *one != '~' && *one != '+') one++;
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+ while (*two && !grub_isalnum(*two) && *two != '~' && *two != '+') two++;
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/* handle the tilde separator, it sorts before everything else */
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if (*one == '~' || *two == '~') {
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@@ -175,6 +175,21 @@ static int vercmp(const char * a, const char * b)
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continue;
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}
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+ /*
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+ * Handle plus separator. Concept is the same as tilde,
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+ * except that if one of the strings ends (base version),
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+ * the other is considered as higher version.
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+ */
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+ if (*one == '+' || *two == '+') {
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+ if (!*one) return -1;
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+ if (!*two) return 1;
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+ if (*one != '+') goto_return (1);
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+ if (*two != '+') goto_return (-1);
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+ one++;
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+ two++;
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+ continue;
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+ }
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+
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/* If we ran to the end of either, we are finished with the loop */
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if (!(*one && *two)) break;
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@ -187,3 +187,4 @@ Patch0186: 0186-grub-set-bootflag-Update-comment-about-running-as-ro.patch
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Patch0187: 0187-grub-set-bootflag-Write-new-env-to-tmpfile-and-then-.patch
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Patch0188: 0188-blscfg-add-a-space-char-when-appending-fields-for-va.patch
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Patch0189: 0189-grub.d-Fix-boot_indeterminate-getting-set-on-boot_su.patch
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Patch0190: 0190-blscfg-Add-support-for-sorting-the-plus-higher-than-.patch
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@ -9,7 +9,7 @@
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Name: grub2
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Epoch: 1
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Version: 2.04
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Release: 5%{?dist}
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Release: 6%{?dist}
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Summary: Bootloader with support for Linux, Multiboot and more
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License: GPLv3+
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URL: http://www.gnu.org/software/grub/
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@ -513,6 +513,12 @@ rm -r /boot/grub2.tmp/ || :
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%endif
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%changelog
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* Thu Dec 05 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.04-6
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- Various grub2 cleanups (pbrobinson)
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- Another fix for blscfg variable expansion support
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- blscfg: Add support for sorting the plus ('+') higher than base version
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Resolves: rhbz#1767395
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* Wed Nov 27 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.04-5
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- blscfg: add a space char when appending fields for variable expansion
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- grub.d: Fix boot_indeterminate getting set on boot_success=0 boot
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