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hilbix/exec style aliases

Last active March 10, 2019 01:21
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`git exec` to exec command within GIT directory. `git top` to exec on submodule top level directory (somewhat).
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exec style aliases
git config --global alias.exec '!exec '
git config --global alias.top '!f() { GIT_TOP="${GIT_DIR%%/.git/modules/*}"; [ ".$GIT_TOP" != ".$GIT_DIR" ] && cd "$GIT_TOP"; exec "$@"; }; f'
# THIS IS PUBLIC DOMAIN.
#
# `git exec` executes something in the current GIT module's base directory. `git exec pwd` gives this base.
# Stolen from http://stackoverflow.com/questions/957928/is-there-a-way-to-get-the-git-root-directory-in-one-command/957978#comment9747528_957978
#
# `git top` is like `git exec`, but executes in the topmost GIT directory, even from within a GIT submodule.
# - needs /bin/bash as your shell
# - needs `GIT_DIR` is within the worktree
# - needs `.git`-Files for submodules like in recent GIT
# - does not work for bare repositories (of course)
# - softlinks are expanded as if you run `cd $(readlink -e .)`
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hilbix commented Mar 10, 2019 •
edited
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For some reason gits apparently do not define $GIT_DIR, so this is failing. For an update see

https://github.com/hilbix/gitstart/blob/a7c22dd69a652b97f2cd64e697dc3b64413ab8ad/aliases.sh#L339 (git dir)

and

https://github.com/hilbix/gitstart/blob/a7c22dd69a652b97f2cd64e697dc3b64413ab8ad/aliases.sh#L326-L330 (git top)

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