fatal: 'pull' appears to be a git command, but we were not
able to execute it. Maybe git-pull is broken?

eval "$(
    echo "$OPTIONS_SPEC" |
        git rev-parse --parseopt $parseopt_extra -- "$@" ||
    echo exit $?
)"

+++ echo 'git pull [options] [<repository> [<refspec>...]]

Fetch one or more remote refs and integrate it/them with the current HEAD.
--
v,verbose                  be more verbose
q,quiet                    be more quiet
progress                   force progress reporting

  Options related to merging
r,rebase?false|true|preserve incorporate changes by rebasing rather than merging
n!                         do not show a diffstat at the end of the merge
stat                       show a diffstat at the end of the merge
summary                    (synonym to --stat)
log?n                      add (at most <n>) entries from shortlog to merge commit message
squash                     create a single commit instead of doing a merge
commit                     perform a commit if the merge succeeds (default)
e,edit                       edit message before committing
ff                         allow fast-forward
ff-only!                   abort if fast-forward is not possible
+++ git rev-parse --parseopt --stuck-long --
verify-signatures          verify that the named commit has a valid GPG signature
s,strategy=strategy        merge strategy to use
X,strategy-option=option   option for selected merge strategy
S,gpg-sign?key-id          GPG sign commit

  Options related to fetching
all                        fetch from all remotes
a,append                   append to .git/FETCH_HEAD instead of overwriting
upload-pack=path           path to upload pack on remote end
f,force                    force overwrite of local branch
t,tags                     fetch all tags and associated objects
p,prune                    prune remote-tracking branches no longer on remote
recurse-submodules?on-demand control recursive fetching of submodules
dry-run                    dry run
k,keep                     keep downloaded pack
depth=depth                deepen history of shallow clone
unshallow                  convert to a complete repository
update-shallow             accept refs that update .git/shallow
refmap=refmap              specify fetch refmap
'
+++ echo exit 127
++ eval 'exit 127'
+++ exit 127
fatal: 'pull' appears to be a git command, but we were not
able to execute it. Maybe git-pull is broken?