mirror of
https://github.com/jimeh/tmuxifier.git
synced 2026-02-19 09:56:39 +00:00
Jim Myhrberg
b2a67705b6
Re-implement all libexec executables as bash functions, with the goal of being able build a single standalone execuable bash script for tmuxifier.
64 lines
1.8 KiB
Bash
64 lines
1.8 KiB
Bash
# Enable extended globbing for version string cleanup.
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shopt -s extglob
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# Output current Tmux version, or compare against a target version.
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#
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# Usage:
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# tmuxifier-tmux-version # Outputs current Tmux version
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# tmuxifier-tmux-version "1.9" # Outputs "=", "<", or ">"
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#
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# Arguments:
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# $1 - Optional target version to compare against
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#
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# Output:
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# Without arguments: The current Tmux version string
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# With target version: One of "=", "<", or ">" indicating if the current
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# Tmux version is equal to, less than, or greater than
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# the target version.
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#
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# Returns:
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# 0 - Always succeeds
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tmuxifier-tmux-version() {
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# Provide tmuxifier help
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if calling-help "$@"; then
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echo "usage: tmuxifier tmux-version [<target-version>]
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Outputs current Tmux version. If given optional target-version it outputs one
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of three possible characters indicating if the current Tmux version number is
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equal to, less than, or greater than the <target-version>.
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The three possible outputs are \"=\", \"<\", and \">\"."
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return
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fi
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local version
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version="$(tmux -V)"
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version="${version/tmux /}"
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# Fix for tmux next-* versions
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version="${version/next-/}"
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if [ -z "$1" ]; then
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echo "$version"
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return
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fi
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if [ "$version" == "master" ]; then
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# When version string is "master", tmux was compiled from source, and we
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# assume it's later than whatever the <target-version> is.
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echo '>'
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else
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# Fix for "1.9a" version comparison, as vercomp() can only deal with
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# purely numeric version numbers.
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version="${version//+([a-zA-Z])/}"
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local result
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vercomp "$version" "$1" && result=$? || result=$?
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case $result in
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0) echo '=' ;;
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1) echo '>' ;;
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2) echo '<' ;;
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esac
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fi
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}
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