pkg¶

Source: src/pkg.sh

Package manager detection and installed-version querying.

get-pkg-mgr¶

Print the name of the active package manager for the running OS. Returns non-zero and prints to stderr if the OS is unrecognised.

. just-bashit/src/pkg.sh

pm=$(get-pkg-mgr)          # e.g. "pacman" on Arch, "apt" on Debian
echo "Using ${pm}"

Usage¶

Usage: get-pkg-mgr

  Print the name of the active package manager for the running OS.

Options:
  -h  Show this message and exit.

Output:
  One of: apt, pacman, brew, dnf, zypper, apk, msys2.

OS mapping¶

OS / distro family	Output
macOS	`brew`
Debian, Ubuntu	`apt`
Arch, CachyOS, Manjaro	`pacman`
Fedora, RHEL, CentOS, Rocky, AlmaLinux	`dnf`
openSUSE	`zypper`
Alpine	`apk`
MSYS2 / Cygwin / MinGW	`msys2`

get-pkg-version¶

Print the installed version of a package using the specified package manager. Prints nothing (not an error) if the package is not installed.

. just-bashit/src/pkg.sh

get-pkg-version apt curl           # e.g. "8.5.0-2"
get-pkg-version pacman bash        # e.g. "5.2.37-1"
get-pkg-version pacman nosuchpkg   # prints nothing, exits 0

Usage¶

Usage: get-pkg-version PM PKG

  Print the installed version of PKG using package manager PM.
  Prints nothing (not an error) if the package is not installed.

Options:
  -h  Show this message and exit.

Arguments:
  PM   Package manager name: apt, pacman, brew, dnf, zypper, apk, msys2.
  PKG  Package name as known to the package manager.

Examples¶

# Check if curl is installed and get its version
ver=$(get-pkg-version "$(get-pkg-mgr)" curl)
if [[ -n "${ver}" ]]; then
    echo "curl ${ver} is installed"
else
    echo "curl is not installed"
fi