Support only Tmux v1.9 or greater

Closes #1
This commit is contained in:
Bruno Sutic 2014-08-26 15:47:31 +02:00
parent 5c2853a55f
commit 732d53cede
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5 changed files with 94 additions and 2 deletions

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@ -3,6 +3,7 @@
### master ### master
- saving a new session does not remove the previous one - saving a new session does not remove the previous one
- make the directory where sessions are stored configurable - make the directory where sessions are stored configurable
- support only Tmux v1.9 or greater
### v0.0.1, 2014-08-26 ### v0.0.1, 2014-08-26
- started a project - started a project

78
scripts/check_tmux_version.sh Executable file
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@ -0,0 +1,78 @@
#!/usr/bin/env bash
VERSION="$1"
UNSUPPORTED_MSG="$2"
get_tmux_option() {
local option=$1
local default_value=$2
local option_value=$(tmux show-option -gqv "$option")
if [ -z "$option_value" ]; then
echo "$default_value"
else
echo "$option_value"
fi
}
# Ensures a message is displayed for 5 seconds in tmux prompt.
# Does not override the 'display-time' tmux option.
display_message() {
local message="$1"
# display_duration defaults to 5 seconds, if not passed as an argument
if [ "$#" -eq 2 ]; then
local display_duration="$2"
else
local display_duration="5000"
fi
# saves user-set 'display-time' option
local saved_display_time=$(get_tmux_option "display-time" "750")
# sets message display time to 5 seconds
tmux set-option -gq display-time "$display_duration"
# displays message
tmux display-message "$message"
# restores original 'display-time' value
tmux set-option -gq display-time "$saved_display_time"
}
# this is used to get "clean" integer version number. Examples:
# `tmux 1.9` => `19`
# `1.9a` => `19`
get_digits_from_string() {
local string="$1"
local only_digits="$(echo "$string" | tr -dC '[:digit:]')"
echo "$only_digits"
}
tmux_version_int() {
local tmux_version_string=$(tmux -V)
echo "$(get_digits_from_string "$tmux_version_string")"
}
unsupported_version_message() {
if [ -n "$UNSUPPORTED_MSG" ]; then
echo "$UNSUPPORTED_MSG"
else
echo "Error, Tmux version unsupported! Please install Tmux version $VERSION or greater!"
fi
}
exit_if_unsupported_version() {
local current_version="$1"
local supported_version="$2"
if [ "$current_version" -lt "$supported_version" ]; then
display_message "$(unsupported_version_message)"
exit 1
fi
}
main() {
local supported_version_int="$(get_digits_from_string "$VERSION")"
local current_version_int="$(tmux_version_int)"
exit_if_unsupported_version "$current_version_int" "$supported_version_int"
}
main

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@ -2,6 +2,8 @@
default_sessions_dir="$HOME/.tmux/sessions" default_sessions_dir="$HOME/.tmux/sessions"
sessions_dir_option="@sessions-dir" sessions_dir_option="@sessions-dir"
SUPPORTED_VERSION="1.9"
# helper functions # helper functions
get_tmux_option() { get_tmux_option() {
local option="$1" local option="$1"
@ -39,6 +41,13 @@ display_message() {
tmux set-option -gq display-time "$saved_display_time" tmux set-option -gq display-time "$saved_display_time"
} }
supported_tmux_version_ok() {
$CURRENT_DIR/check_tmux_version.sh "$SUPPORTED_VERSION"
}
# path helpers
sessions_dir() { sessions_dir() {
echo $(get_tmux_option "$sessions_dir_option" "$default_sessions_dir") echo $(get_tmux_option "$sessions_dir_option" "$default_sessions_dir")
} }

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@ -75,6 +75,8 @@ restore_all_sessions() {
} }
main() { main() {
restore_all_sessions if supported_tmux_version_ok; then
restore_all_sessions
fi
} }
main main

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@ -30,6 +30,8 @@ save_all_sessions() {
} }
main() { main() {
save_all_sessions if supported_tmux_version_ok; then
save_all_sessions
fi
} }
main main