mirror of https://github.com/akelge/zsh
68 lines
2.0 KiB
Bash
68 lines
2.0 KiB
Bash
local _gitdir
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local last_fetch
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local diff
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cd $1
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gitdir=$(git rev-parse --git-dir 2> /dev/null) || return 0
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last_fetch=$(zstat +mtime $gitdir/FETCH_HEAD 2> /dev/null || echo 0)
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let "diff = $(strftime %s) - $last_fetch"
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if [ $diff -gt ${GIT_FETCH_INTERVAL:-30} ]; then
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setopt localoptions noshwordsplit
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# Sets `GIT_TERMINAL_PROMPT=0` to disable authentication prompt for Git fetch (Git 2.3+).
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export GIT_TERMINAL_PROMPT=0
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# Set SSH `BachMode` to disable all interactive SSH password prompting.
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export GIT_SSH_COMMAND="${GIT_SSH_COMMAND:-"ssh"} -o BatchMode=yes"
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local ref
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ref=$(command git symbolic-ref -q HEAD)
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local -a remote
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remote=($(command git for-each-ref --format='%(upstream:remotename) %(refname)' $ref))
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if [[ -z $remote[1] ]]; then
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# No remote specified for this branch, skip fetch.
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return 97
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fi
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# Default return code, which indicates Git fetch failure.
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local fail_code=99
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# Guard against all forms of password prompts. By setting the shell into
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# MONITOR mode we can notice when a child process prompts for user input
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# because it will be suspended. Since we are inside an async worker, we
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# have no way of transmitting the password and the only option is to
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# kill it. If we don't do it this way, the process will corrupt with the
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# async worker.
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setopt localtraps monitor
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# Make sure local HUP trap is unset to allow for signal propagation when
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# the async worker is flushed.
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trap - HUP
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trap '
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# Unset trap to prevent infinite loop
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trap - CHLD
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if [[ $jobstates = suspended* ]]; then
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# Set fail code to password prompt and kill the fetch.
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fail_code=98
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kill %%
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fi
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' CHLD
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# Only fetch information for the current branch and avoid
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# fetching tags or submodules to speed up the process.
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command git -c gc.auto=0 fetch \
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--quiet \
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--no-tags \
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--recurse-submodules=no \
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$remote &>/dev/null &
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wait $! || return $fail_code
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unsetopt monitor
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fi
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return 0
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# vim: set ts=2 sw=2 tw=0 ft=sh :
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