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Make sure we get passed an argument #3

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Make sure we get passed an argument #3

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5 changes: 4 additions & 1 deletion git-getpull
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
#!/bin/sh

if [ -z "$(git rev-parse --git-dir 2>/dev/null)" ]; then
if [ -z "$1" ]; then
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@a-warner a-warner Mar 25, 2014

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-z is a test for strings of length 0, so this check is basically saying, if $1 (the first argument passed to the script) is empty, print usage information. (meaning the user didn’t use the script correctly)

http://tldp.org/LDP/abs/html/comparison-ops.html

echo "Usage: git getpull <SHA>"
exit 1
elif [ -z "$(git rev-parse --git-dir 2>/dev/null)" ]; then
echo "Not in a git directory"
exit 1
else
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