payment is the window name, not session name, you want =sheldon:=payment
On Fri, 8 Aug 2025 at 06:04, Nick Heath <cheek...@gmail.com> wrote: > Hello, > > I am having problems with a tmux command, has-session <target-session> and > finding what looks like a bug, or mismatch with the documentation. I am > trying to determine if a named session and window already exists, and if > not, start it with a command. > > I am finding that has-session is returning a success when another session > window matches the *prefix* that I am looking for. This should be > avoidable with the = qualifier, to require an exact match. > > In the man page: > > target-session is tried as, in order: > 1. A session ID prefixed with a $. > 2. An exact name of a session (as listed by the > list-sessions command). > 3. The start of a session name, for example ‘mysess’ would > match a session named ‘mysession’. > 4. A glob(7) pattern which is matched against the session > name. > > If the session name is prefixed with an ‘=’, only an exact match > is accepted (so ‘=mysess’ will only match exactly ‘mysess’, not > ‘mysession’). > > The following command history demonstrates the behavior that looks > incorrect to me. Am I doing something wrong? > > /workspace > tmux list-sessions > sheldon: 2 windows (created Thu Aug 7 18:29:49 2025) (attached) > > /workspace > tmux list-windows -t sheldon > 0: zsh* (1 panes) [198x60] [layout b4bd,198x60,0,0,0] @0 (active) > 3: payment-events- (1 panes) [198x60] [layout b4c0,198x60,0,0,3] @3 > > /workspace > tmux has-session -t sheldon:payment; echo $? > 0 > > /workspace > tmux has-session -t=sheldon:payment; echo $? > 0 > > /workspace > tmux has-session -t=sheldon:fff; echo $? > can't find window: fff > 1 > > I expected the command tmux has-session -t=sheldon:payment to fail with a > non-zero exit code, since as you can see, no exact match session names > exist. The command generally works, when specifying a session and window > name that clearly does *not* match. > > I installed tmux from the system package manager. Here's a little about my > environment: > > /workspace > uname -a > Linux sheldon-vm 6.10.14-linuxkit #1 SMP Sat May 17 08:28:57 UTC 2025 > aarch64 GNU/Linux > > /workspace > lsb_release -a > No LSB modules are available. > Distributor ID: Debian > Description: Debian GNU/Linux 12 (bookworm) > Release: 12 > Codename: bookworm > > /workspace > tmux -V > tmux 3.3a > > /workspace > cat ~/.tmux.conf > set -g mouse on > set -g history-limit 50000 > > /workspace > env | grep -i tmux > TERM=tmux-256color > TERM_PROGRAM=tmux > TMUX=/tmp/tmux-0/default,50663,0 > TMUX_PANE=%0 > > Thanks, > Nick > > -- > You received this message because you are subscribed to the Google Groups > "tmux-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to tmux-users+unsubscr...@googlegroups.com. > To view this discussion, visit > https://groups.google.com/d/msgid/tmux-users/f4eb80a9-6ee6-4c5f-a378-fa4c5644fdd9n%40googlegroups.com > <https://groups.google.com/d/msgid/tmux-users/f4eb80a9-6ee6-4c5f-a378-fa4c5644fdd9n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "tmux-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to tmux-users+unsubscr...@googlegroups.com. To view this discussion, visit https://groups.google.com/d/msgid/tmux-users/CAEdLfcEKJXfhNvXCq3xXNGQ2T7jfaNzW%3DVGdsOhQ9YAJzxjPzg%40mail.gmail.com.
