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78 lines
1.2 KiB
Plaintext
78 lines
1.2 KiB
Plaintext
# Copyright 2009-2025 Free Software Foundation, Inc.
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#
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# Copying and distribution of this file, with or without modification,
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# in any medium, are permitted without royalty provided the copyright
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# notice and this notice are preserved.
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# Patch must not overwrite backup files it has created itself.
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# (Backup file tests for symlinks are in tests/symlinks.)
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. $srcdir/test-lib.sh
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require cat
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use_local_patch
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use_tmpdir
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# ==============================================================
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echo one > f
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cat > f.diff <<EOF
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--- f.orig
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+++ f
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@@ -2 +2 @@
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-one
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+two
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--- f.orig
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+++ f
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@@ -2 +2 @@
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-two
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+three
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--- f.orig
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+++ f
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@@ -2 +2 @@
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-three
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+four
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EOF
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check 'patch -p0 < f.diff' <<EOF
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patching file f
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Hunk #1 succeeded at 1 (offset -1 lines).
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patching file f
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Hunk #1 succeeded at 1 (offset -1 lines).
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patching file f
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Hunk #1 succeeded at 1 (offset -1 lines).
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EOF
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check 'cat f.orig' <<EOF
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one
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EOF
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# ==============================================================
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echo one > f
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cat > f.diff <<EOF
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--- f
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+++ /dev/null
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@@ -1 +0,0 @@
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-one
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--- /dev/null
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+++ f
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@@ -0,0 +1 @@
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+two
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EOF
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check 'patch --backup -p0 < f.diff' <<EOF
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patching file f
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patching file f
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EOF
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check 'cat f.orig' <<EOF
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one
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EOF
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check 'cat f' <<EOF
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two
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EOF
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