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25 lines
877 B
25 lines
877 B
6 years ago
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From 6656e1547f875253d1499bcd06ae0f6440a087c6 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Wed, 25 May 2016 14:49:34 +0200
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Subject: [PATCH] dracut-functions.sh: add str_starts() and str_ends()
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---
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dracut-functions.sh | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/dracut-functions.sh b/dracut-functions.sh
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index d71ff676..4a9729c7 100755
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--- a/dracut-functions.sh
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+++ b/dracut-functions.sh
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@@ -29,6 +29,10 @@ fi
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# Generic substring function. If $2 is in $1, return 0.
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strstr() { [[ $1 = *$2* ]]; }
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+# returns OK if $1 contains literal string $2 at the beginning, and isn't empty
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+str_starts() { [ "${1#"$2"*}" != "$1" ]; }
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+# returns OK if $1 contains literal string $2 at the end, and isn't empty
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+str_ends() { [ "${1%*"$2"}" != "$1" ]; }
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# helper function for check() in module-setup.sh
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# to check for required installed binaries
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