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authorLuke Shumaker <lukeshu@parabola.nu>2017-02-15 14:40:06 -0500
committerLuke Shumaker <lukeshu@parabola.nu>2017-05-05 18:31:17 -0400
commit0fc1a6fe27fdbb8a366111a9dcb30d9a955b57cf (patch)
treee61a76398d3a55a76b551ada356ae8a50fa1038d
parent4df0e03cd3269cf852dc50ce9c9a0cdc6f2f2652 (diff)
makechrootpkg, arch-nspawn: Force-enable local '/repo/' repository.
The change in arch-nspawn is subtle: This was the source of "infamous" "it fails every other time" bug that took me over a year to solve. <https://labs.parabola.nu/issues/435> By having a repository of local packages (rather than simply running `pacman -U`), we are inviting pacman to cache them in `/var/cache/pacman/pkg`. Besides being needless disk writes, this actually causes a real issue. If the package gets rebuilt, pacman will balk, as the file no longer matches the cached signature. So, how do we prevent pacman from caching these local packages? Simple: include the directory they are already in in the pacman.conf:CacheDir list. This will prevent pacman from copying the files to one of the other cache directories.
-rw-r--r--arch-nspawn.in1
-rw-r--r--makechrootpkg.in13
2 files changed, 14 insertions, 0 deletions
diff --git a/arch-nspawn.in b/arch-nspawn.in
index e695a29..0b0dc68 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -105,6 +105,7 @@ elif [[ $(cat "$working_dir/.arch-chroot") != "$CHROOT_VERSION" ]]; then
fi
build_mount_args
+cache_dirs+=('/repo/')
copy_hostconf
eval "$(grep '^CARCH=' "$working_dir/etc/makepkg.conf")"
diff --git a/makechrootpkg.in b/makechrootpkg.in
index 6ee8457..a4dbbfb 100644
--- a/makechrootpkg.in
+++ b/makechrootpkg.in
@@ -223,6 +223,19 @@ builduser ALL = NOPASSWD: /usr/bin/pacman
EOF
chmod 440 "$copydir/etc/sudoers.d/builduser-pacman"
+ if ! grep -q '^\[repo\]' "$copydir/etc/pacman.conf"; then
+ local line
+ line=$(grep -n '^\[' "$copydir/etc/pacman.conf" |grep -Fv ':[options]'|sed 's/:.*//;1q')
+ local ins='[repo]
+SigLevel = Optional TrustAll
+Server = file:///repo
+'
+ sed -i "${line}i${ins//$'\n'/\\n}" "$copydir/etc/pacman.conf"
+ fi
+ # Avoid having to use `pacman -Sy` to update [repo], as
+ # networking might be disabled inside of the chroot.
+ cp "$copydir/repo/repo.db" "$copydir/var/lib/pacman/sync/repo.db"
+
# This is a little gross, but this way the script is recreated every time in the
# working copy
{