127 lines
4.1 KiB
Bash
Executable File
127 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Purpose : Show which version of CoreDesktop this machine is running
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#
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# CoreDesktop is a rolling release, so its version is the date of the commit
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# the local checkout is on, plus the short hash to tell same-day commits apart,
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# e.g. 2026.10.22 (c5f0651). The kernel and video driver are shown separately
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# because they come from Arch, not CoreDesktop, along with any newer release of
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# either that update would install.
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#
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# version --check prints the newer version and exits 0 if one is available,
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# exits 1 if this machine is up to date, or 2 if it couldn't check.
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COREDESKTOP="$HOME/.local/share/coredesktop"
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source "$COREDESKTOP/utils.sh"
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if ! git -C "$COREDESKTOP" rev-parse --git-dir &> /dev/null; then
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echo "CoreDesktop isn't installed in $COREDESKTOP."
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exit 2
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fi
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# Version string for a commit, e.g. 2026.10.22 (c5f0651)
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describe() {
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git -C "$COREDESKTOP" log -1 --format='%cd (%h)' --date=format:%Y.%m.%d "$1"
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}
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# Print the newer version if the remote has commits this checkout doesn't.
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# Returns 1 if up to date, 2 if the remote couldn't be reached.
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newer_version() {
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GIT_TERMINAL_PROMPT=0 timeout 30 git -C "$COREDESKTOP" fetch --quiet &> /dev/null || return 2
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local behind
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behind="$(git -C "$COREDESKTOP" rev-list --count 'HEAD..@{upstream}' 2> /dev/null)" || return 2
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(( behind > 0 )) || return 1
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describe '@{upstream}'
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}
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if [ "$1" = "--check" ]; then
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newer_version
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exit
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fi
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version="$(describe HEAD)"
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# Local edits to the checkout mean this isn't exactly the version above
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if [ -n "$(git -C "$COREDESKTOP" status --porcelain --untracked-files=no)" ]; then
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version="$version, modified"
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fi
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if latest="$(newer_version)"; then
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version="$version, $latest is available (run update)"
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fi
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# A version without its epoch and pkgrel, e.g. 1:26.2.6-1 is 26.2.6. Arch's
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# kernel puts its suffix in the version too (7.2.14.arch1), so drop that.
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upstream() {
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local v="${1#*:}"
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v="${v%-*}"
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echo "${v%.arch*}"
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}
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# Packages with a newer version in the repos, as "name old -> new" lines.
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# checkupdates syncs a copy of the package database, so it needs no root and
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# doesn't leave a partial upgrade behind. Empty if it couldn't check.
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pending=""
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if command -v checkupdates &> /dev/null; then
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pending="$(timeout 30 checkupdates 2> /dev/null)"
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fi
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# Print the newer upstream version of package $1 if the repos have one. A
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# rebuild of the same version (only the pkgrel changed) doesn't count.
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newer_package() {
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local name old _ new
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while read -r name old _ new; do
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[ "$name" = "$1" ] || continue
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[ "$(upstream "$old")" != "$(upstream "$new")" ] && upstream "$new"
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return
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done <<< "$pending"
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return 1
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}
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kernel="$(uname -r)"
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# The package the running kernel came from (linux, linux-lts, ...)
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kernel_pkg="$(cat "/usr/lib/modules/$kernel/pkgbase" 2> /dev/null)"
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case "$kernel" in
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*-lts) kernel_pkg="${kernel_pkg:-linux-lts}" ;;
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*-zen) kernel_pkg="${kernel_pkg:-linux-zen}" ;;
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*-hardened) kernel_pkg="${kernel_pkg:-linux-hardened}" ;;
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*) kernel_pkg="${kernel_pkg:-linux}" ;;
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esac
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# If the running kernel's modules are gone, a newer kernel was installed
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if [ ! -d "/usr/lib/modules/$kernel" ]; then
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kernel="$kernel (newer kernel installed, reboot to use it)"
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fi
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if latest="$(newer_package "$kernel_pkg")"; then
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kernel="$kernel, $latest is available (run update)"
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fi
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# NVIDIA's driver if nvidia.sh installed it, otherwise Mesa, which drives
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# Intel and AMD graphics (vulkan-intel and vulkan-radeon are built with it)
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driver=""
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for pkg in nvidia-utils nvidia-580xx-utils mesa; do
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if installed="$(pacman -Q "$pkg" 2> /dev/null)"; then
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case "$pkg" in
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nvidia*) driver="NVIDIA $(upstream "${installed#* }")" ;;
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*) driver="Mesa $(upstream "${installed#* }")" ;;
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esac
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if latest="$(newer_package "$pkg")"; then
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driver="$driver, $latest is available (run update)"
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fi
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break
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fi
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done
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# 10-pacman.sh rewrites this log on every update
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if [ -f "$PACMAN_UPDATE_LOG" ]; then
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last_update="$(date -r "$PACMAN_UPDATE_LOG" '+%Y-%m-%d %H:%M')"
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else
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last_update="never"
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fi
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echo "CoreDesktop $version"
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echo "Kernel $kernel"
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[ -n "$driver" ] && echo "Video driver $driver"
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echo "Last update $last_update"
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