feat: homebrew on image

Containerfile

@@ -538,6 +538,20 @@ RUN rpm-ostree install \
     sed -i~ -E 's/=.\$\(command -v (nft|ip6?tables-legacy).*/=/g' /usr/lib/waydroid/data/scripts/waydroid-net.sh && \
     ostree container commit
 
+# Install Homebrew on Image
+RUN touch /.dockerenv && \
+    mkdir -p /var/home && \
+    mkdir -p /var/roothome && \
+    curl -Lo /tmp/brew-install https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh && \
+    chmod +x /tmp/brew-install && \
+    /tmp/brew-install && \
+    /home/linuxbrew/.linuxbrew/bin/brew update && \
+    cp -R /home/linuxbrew /usr/share/homebrew && \
+    chown -R 1000:1000 /usr/share/homebrew && \
+    rm -f /usr/share/homebrew/.linuxbrew/Homebrew/Library/Homebrew/cmd/update.sh && \
+    rm -f /usr/share/homebrew/.linuxbrew/Homebrew/Library/Homebrew/cmd/update-reset.sh && \
+    ostree container commit
+
 # Cleanup & Finalize
 COPY system_files/overrides /
 RUN /usr/libexec/containerbuild/build-initramfs && \
@@ -599,6 +613,9 @@ RUN /usr/libexec/containerbuild/build-initramfs && \
     sed -i 's/#DefaultTimeoutStopSec.*/DefaultTimeoutStopSec=15s/' /usr/lib/systemd/system.conf && \
     mkdir -p /usr/etc/flatpak/remotes.d && \
     curl -Lo /usr/etc/flatpak/remotes.d/flathub.flatpakrepo https://dl.flathub.org/repo/flathub.flatpakrepo && \
+    systemctl enable var-home-linuxbrew.mount && \
+    systemctl enable brew-upgrade.timer && \
+    systemctl enable brew-update.timer && \
     systemctl enable com.system76.Scheduler.service && \
     systemctl enable btrfs-dedup@var-home.timer && \
     systemctl enable displaylink.service && \

system_files/desktop/shared/usr/etc/profile.d/brew-bash-completion.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+# shellcheck shell=sh disable=SC1091,SC2039,SC2166
+# Check for interactive bash and that we haven't already been sourced.
+if [ "x${BASH_VERSION-}" != x -a "x${PS1-}" != x -a "x${BREW_BASH_COMPLETION-}" = x ]; then
+
+    # Check for recent enough version of bash.
+    if [ "${BASH_VERSINFO[0]}" -gt 4 ] ||
+        [ "${BASH_VERSINFO[0]}" -eq 4 -a "${BASH_VERSINFO[1]}" -ge 2 ]; then
+        if [ -w /home/linuxbrew/.linuxbrew ]; then
+            if ! test -L /home/linuxbrew/.linuxbrew/etc/bash_completion.d/brew; then
+                /home/linuxbrew/.linuxbrew/bin/brew completions link > /dev/null
+            fi
+        fi
+        if test -d /home/linuxbrew/.linuxbrew/etc/bash_completion.d; then
+            for rc in /home/linuxbrew/.linuxbrew/etc/bash_completion.d/*; do
+                if test -r "$rc"; then
+                . "$rc"
+                fi
+            done
+            unset rc
+        fi
+    fi
+    BREW_BASH_COMPLETION=1
+    export BREW_BASH_COMPLETION
+fi

system_files/desktop/shared/usr/etc/profile.d/brew-on-image.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+if systemctl --quiet is-active var-home-linuxbrew.mount; then
+    HOMEBREW_NO_AUTO_UPDATE=1
+    export HOMEBREW_NO_AUTO_UPDATE
+fi

system_files/desktop/shared/usr/lib/systemd/system/brew-update.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Auto update brew for mutable brew installs
+After=local-fs.target
+After=network-online.target
+ConditionPathIsMountPoint=!/var/home/linuxbrew
+ConditionPathExists=/home/linuxbrew/.linuxbrew/bin/brew
+
+[Service]
+# Override the user if different UID/User
+User=1000
+Type=oneshot
+ExecStart=/home/linuxbrew/.linuxbrew/bin/brew update
+StandardOutput=journal

system_files/desktop/shared/usr/lib/systemd/system/brew-update.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Timer for brew update for mutable brew
+Wants=network-online.target
+
+[Timer]
+OnBootSec=20min
+OnUnitInactiveSec=6h
+Persistent=true
+
+[Install]
+WantedBy=timers.target

system_files/desktop/shared/usr/lib/systemd/system/brew-upgrade.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Upgrade Brew packages
+After=local-fs.target
+After=network-online.target
+ConditionPathExists=/home/linuxbrew/.linuxbrew/bin/brew
+
+[Service]
+# Override the user if different UID/User
+User=1000
+Type=oneshot
+Environment=HOMEBREW_NO_AUTO_UPDATE=1
+ExecStart=/home/linuxbrew/.linuxbrew/bin/brew upgrade
+StandardOutput=journal

system_files/desktop/shared/usr/lib/systemd/system/brew-upgrade.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Timer for brew upgrade for on image brew
+Wants=network-online.target
+
+[Timer]
+OnBootSec=20min
+OnUnitInactiveSec=6h
+Persistent=true
+
+[Install]
+WantedBy=timers.target

system_files/desktop/shared/usr/lib/systemd/system/cleanup-homebrew.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Cleanup Homebrew workdir
+After=var.mount
+Before=var-home-linuxbrew.mount
+ConditionPathIsDirectory=%C/homebrew
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=-/usr/bin/rm -rf %C/homebrew/.*
+ExecStart=-/usr/bin/rm -rf %C/homebrew/*
+ExecStop=-/usr/bin/rm -rf %C/homebrew/.*
+ExecStop=-/usr/bin/rm -rf %C/homebrew/*
+
+[Install]
+WantedBy=default.target multi-user.target

system_files/desktop/shared/usr/lib/systemd/system/var-home-linuxbrew.mount

@@ -0,0 +1,17 @@
+[Unit]
+Description=Homebrew overlay mount
+Wants=cleanup-homebrew.service
+After=cleanup-homebrew.service
+After=var-mount.mount
+ConditionPathIsDirectory=%S/homebrew
+ConditionPathIsDirectory=%C/homebrew
+ConditionPathExists=!/var/home/linuxbrew/.linuxbrew
+
+[Mount]
+Type=overlay
+What=overlay
+Options=lowerdir=/usr/share/homebrew,upperdir=%S/homebrew,workdir=%C/homebrew
+Where=/var/home/linuxbrew
+
+[Install]
+WantedBy=local-fs.target

system_files/desktop/shared/usr/lib/tmpfiles.d/homebrew.conf

@@ -0,0 +1,3 @@
+d /var/lib/homebrew 0755 1000 1000 - -
+d /var/cache/homebrew 0755 1000 1000 - -
+d /var/home/linuxbrew 0755 1000 1000 - -

system_files/overrides/usr/share/fish/vendor_conf.d/brew.fish

@@ -0,0 +1,21 @@
+#!/usr/bin/fish
+#shellcheck disable=all
+if status --is-interactive
+    if [ -d /home/linuxbrew/.linuxbrew ]
+        eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
+        if [ -w /home/linuxbrew/.linuxbrew ]
+            if  [ ! -L (brew --prefix)/share/fish/vendor_completions.d/brew]
+                brew completions link > /dev/null
+            end
+        end
+        if test -d (brew --prefix)/share/fish/completions
+            set -p fish_complete_path (brew --prefix)/share/fish/completions
+        end
+        if test -d (brew --prefix)/share/fish/vendor_completions.d
+            set -p fish_complete_path (brew --prefix)/share/fish/vendor_completions.d
+        end
+    end
+    if systemctl --quiet is-active var-home-linuxbrew.mount
+        set -gx HOMEBREW_NO_AUTO_UPDATE 1
+    end
+end