83 lines
1.5 KiB
Bash
83 lines
1.5 KiB
Bash
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#! /bin/sh
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# $NetBSD: patch.sh,v 1.1 2020/04/26 12:46:01 rillig Exp $
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#
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# Test cases for patching files using patch(1).
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#
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set -eu
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. "./test.subr"
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if test_case_begin "patch matches exactly"; then
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cd "$tmpdir"
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create_file_lines "to-be-patched" \
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"1" "2" "3" "4" "5" "6" "7"
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create_file "4-four.patch" <<EOF
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--- before
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+++ to-be-patched
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@@ -1,7 +1,7 @@
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1
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2
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3
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-4
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+four
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5
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6
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7
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EOF
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patch -s -p0 < "4-four.patch"
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assert_that "to-be-patched" --file-is-lines \
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"1" "2" "3" "four" "5" "6" "7"
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test_case_end
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fi
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if test_case_begin "line numbers in patch are way out of bounds"; then
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cd "$tmpdir"
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# BSD patch:
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#
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# If the line numbers in the patch are beyond the size of the file,
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# /usr/bin/patch logs an information that "it is ignored", but it does
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# not say exactly what "it" is.
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#
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# This may look frightening, but since the patch is applied anyway,
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# "it" probably refers to the line numbers only, not to the hunk as
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# a whole.
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#
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# https://github.com/openbsd/src/commit/328a6cea628e2916 (2003-07-16)
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create_file_lines "to-be-patched" \
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"1" "2" "3" "4" "5" "6" "7"
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create_file "4-four.patch" <<EOF
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--- before
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+++ to-be-patched
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@@ -1000,7 +1000,7 @@
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1
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2
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3
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-4
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+four
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5
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6
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7
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EOF
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patch -s -p0 < "4-four.patch" 2> "stderr" \
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&& exitcode=0 || exitcode=$?
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assert_that "$exitcode" --equals "0"
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assert_that "stderr" --file-is-lines \
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"No such line 999 in input file, ignoring"
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assert_that "to-be-patched" --file-is-lines \
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"1" "2" "3" "four" "5" "6" "7"
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test_case_end
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fi
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