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https://src.fedoraproject.org/rpms/grub2.git
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7e98da058f
This change reorganizes and cleanups our patches to reduce the patch number from 314 patches to 187. That's achieved by dropping patches that are later reverted and squashing fixes for earlier patches that introduced features. There are no code changes and the diff with upstream is the same before and after the cleanup. Having fewer patches makes easier to manage the patchset and also will ease to rebase them on top of the latest grub-2.04 release. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
104 lines
2.9 KiB
Diff
104 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Wed, 3 Sep 2014 10:38:00 -0400
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Subject: [PATCH] Make editenv chase symlinks including those across devices.
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This lets us make /boot/grub2/grubenv a symlink to
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/boot/efi/EFI/fedora/grubenv even though they're different mount points,
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which allows /usr/bin/grub2-editenv to be the same across platforms
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(i.e. UEFI vs BIOS).
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Reviewed-by: Adam Jackson <ajax@redhat.com>
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---
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Makefile.util.def | 11 +++++++++++
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util/editenv.c | 46 ++++++++++++++++++++++++++++++++++++++++++++--
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2 files changed, 55 insertions(+), 2 deletions(-)
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diff --git a/Makefile.util.def b/Makefile.util.def
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index c7b775bce73..3efc5718ae8 100644
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--- a/Makefile.util.def
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+++ b/Makefile.util.def
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@@ -231,8 +231,19 @@ program = {
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common = util/grub-editenv.c;
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common = util/editenv.c;
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+ common = util/grub-install-common.c;
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common = grub-core/osdep/init.c;
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+ common = grub-core/osdep/compress.c;
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+ extra_dist = grub-core/osdep/unix/compress.c;
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+ extra_dist = grub-core/osdep/basic/compress.c;
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+ common = util/mkimage.c;
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+ common = util/grub-mkimage32.c;
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+ common = util/grub-mkimage64.c;
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+ common = grub-core/osdep/config.c;
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+ common = util/config.c;
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+ common = util/resolve.c;
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+ ldadd = '$(LIBLZMA)';
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ldadd = libgrubmods.a;
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ldadd = libgrubgcry.a;
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ldadd = libgrubkern.a;
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diff --git a/util/editenv.c b/util/editenv.c
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index c6f8d2298c3..d8d1dad6ab9 100644
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--- a/util/editenv.c
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+++ b/util/editenv.c
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@@ -37,6 +37,7 @@ grub_util_create_envblk_file (const char *name)
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FILE *fp;
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char *buf;
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char *namenew;
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+ char *rename_target = xstrdup(name);
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buf = xmalloc (DEFAULT_ENVBLK_SIZE);
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@@ -59,7 +60,48 @@ grub_util_create_envblk_file (const char *name)
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free (buf);
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fclose (fp);
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- if (grub_util_rename (namenew, name) < 0)
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- grub_util_error (_("cannot rename the file %s to %s"), namenew, name);
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+ ssize_t size = 1;
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+ while (1)
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+ {
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+ char *linkbuf;
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+ ssize_t retsize;
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+
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+ linkbuf = xmalloc(size+1);
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+ retsize = grub_util_readlink (rename_target, linkbuf, size);
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+ if (retsize < 0 && (errno == ENOENT || errno == EINVAL))
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+ {
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+ free (linkbuf);
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+ break;
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+ }
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+ else if (retsize < 0)
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+ {
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+ grub_util_error (_("cannot rename the file %s to %s: %m"), namenew, name);
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+ free (linkbuf);
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+ free (namenew);
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+ return;
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+ }
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+ else if (retsize == size)
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+ {
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+ free(linkbuf);
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+ size += 128;
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+ continue;
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+ }
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+
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+ free (rename_target);
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+ linkbuf[retsize] = '\0';
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+ rename_target = linkbuf;
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+ }
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+
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+ int rc = grub_util_rename (namenew, rename_target);
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+ if (rc < 0 && errno == EXDEV)
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+ {
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+ rc = grub_install_copy_file (namenew, rename_target, 1);
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+ grub_util_unlink (namenew);
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+ }
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+
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+ if (rc < 0)
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+ grub_util_error (_("cannot rename the file %s to %s: %m"), namenew, name);
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+
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free (namenew);
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+ free (rename_target);
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}
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