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| author | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:06:39 +1200 |
|---|---|---|
| committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:46:47 +1200 |
| commit | c8ab406749124d2e762ad5cf53963070113afd0f (patch) | |
| tree | 54c9721a06957ebe7098a211eea803b0230c0f5d /bin/isgr.sh | |
| parent | Handle POSIX correctness in ~/.bash_profile (diff) | |
| download | dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.tar.gz dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.zip | |
Apply runtime shebanging to POSIX shell
Diffstat (limited to 'bin/isgr.sh')
| -rw-r--r-- | bin/isgr.sh | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/bin/isgr.sh b/bin/isgr.sh new file mode 100644 index 00000000..9d3e97a8 --- /dev/null +++ b/bin/isgr.sh @@ -0,0 +1,12 @@ +# Return an exit status for whether the current directory appears to be in a +# Git working copy + +# No output, at all, ever; this is intended for use in scripting +exec >/dev/null 2>&1 + +# Enter the given directory (default to current directory) +cd -- "${1:-.}" || exit + +# If neither of these commands work, this isn't a Git repository +git symbolic-ref --quiet HEAD || +git rev-parse --short HEAD |