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Summary: GNU ar has a `P` modifier that changes filename comparisons to use full paths instead of the basename. As noted in the GNU docs, regular archives are not created with full path names, so P is used to deal with archives created by other archive programs (e.g. see the updated `absolute-paths.test` test case). Since thin archives use full path names -- paths are relative to the archive -- it seems very error prone to not imply P when dealing with thin archives, so P is implied in those cases. (I think this is a deviation from GNU ar that makes sense). This fixes PR37436 via https://github.com/ClangBuiltLinux/linux/issues/33. Reviewers: mstorsjo, pcc, ruiu, davide, david2050, rnk Subscribers: tpimh, llvm-commits, nickdesaulniers Tags: #llvm Differential Revision: https://reviews.llvm.org/D57927 llvm-svn: 354044
109 lines
3.8 KiB
Plaintext
109 lines
3.8 KiB
Plaintext
# Note: many of these tests depend on relative paths, so we have to cd to a
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# test directory first.
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RUN: mkdir -p %t && cd %t
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RUN: rm -rf a b && mkdir a b
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RUN: echo hello-a > a/foo.txt
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RUN: echo hello-b > b/foo.txt
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RUN: echo hello-parent > foo.txt
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# Sanity test that P is accepted.
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RUN: rm -f noop.a && llvm-ar rcP noop.a foo.txt
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RUN: llvm-ar p noop.a | FileCheck %s --check-prefix=ACCEPT
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ACCEPT: hello-parent
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# Regular (non-thin) archives cannot be created with full path names as
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# members, but P can still affect how lookup works (assuming we're reading an
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# archive not created by GNU ar or llvm-ar).
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# Looking up a/foo.txt in a regular archive will fail with P because it is
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# added to the archive as foo.txt.
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RUN: rm -f display.a
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RUN: llvm-ar rcS display.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar t display.a a/foo.txt | FileCheck %s --check-prefix=DISPLAY-FOUND --match-full-lines
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RUN: not llvm-ar tP display.a a/foo.txt 2>&1 | FileCheck %s --check-prefix=DISPLAY-NOT-FOUND
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DISPLAY-FOUND: foo.txt
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DISPLAY-NOT-FOUND: 'a/foo.txt' was not found
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# Deleting will fail with P because the members exist as foo.txt, not a/foo.txt.
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RUN: rm -f del1.a
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RUN: llvm-ar rcS del1.a foo.txt
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RUN: llvm-ar dP del1.a a/foo.txt
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RUN: llvm-ar t del1.a a/foo.txt | FileCheck %s --check-prefix=DISPLAY-FOUND --match-full-lines
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RUN: llvm-ar d del1.a a/foo.txt
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RUN: not llvm-ar t del1.a a/foo.txt 2>&1 | FileCheck %s --check-prefix=DISPLAY-NOT-FOUND
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# Run several checks that P is implied when using thin archives. None of these
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# checks explicitly use P.
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# Creating an archive in one step.
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RUN: rm -f add.a
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RUN: llvm-ar rcST add.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar t add.a | FileCheck %s --check-prefix=ADD --match-full-lines
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ADD: a/foo.txt
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ADD-NEXT: foo.txt
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ADD-NEXT: b/foo.txt
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# Create an archive incrementally.
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RUN: rm -f add-inc.a
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RUN: llvm-ar rcST add-inc.a a/foo.txt
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RUN: llvm-ar rcST add-inc.a foo.txt
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RUN: llvm-ar rcST add-inc.a b/foo.txt
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RUN: llvm-ar t add-inc.a | FileCheck %s --check-prefix=ADD-INC --match-full-lines
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ADD-INC: a/foo.txt
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ADD-INC-NEXT: foo.txt
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ADD-INC-NEXT: b/foo.txt
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# Nesting a thin archive with a name conflict.
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RUN: rm -f a/nested.a b/nested.a nested.a
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RUN: llvm-ar rcST a/nested.a a/foo.txt
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RUN: llvm-ar rcST b/nested.a b/foo.txt
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RUN: llvm-ar rcST nested.a a/nested.a foo.txt b/nested.a
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RUN: llvm-ar t nested.a | FileCheck %s --check-prefix=NESTED --match-full-lines
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NESTED: a/foo.txt
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NESTED-NEXT: foo.txt
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NESTED-NEXT: b/foo.txt
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# Printing members.
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RUN: rm -f add.a
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RUN: llvm-ar rcST add.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar p add.a foo.txt | FileCheck %s --check-prefix=PRINT-PARENT --match-full-lines
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RUN: llvm-ar p add.a a/foo.txt | FileCheck %s --check-prefix=PRINT-A --match-full-lines
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RUN: llvm-ar p add.a b/foo.txt | FileCheck %s --check-prefix=PRINT-B --match-full-lines
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PRINT-PARENT: hello-parent
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PRINT-A: hello-a
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PRINT-B: hello-b
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# Listing members.
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RUN: rm -f add.a
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RUN: llvm-ar rcST add.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar t add.a foo.txt | FileCheck %s --check-prefix=LIST-PARENT --match-full-lines
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RUN: llvm-ar t add.a a/foo.txt | FileCheck %s --check-prefix=LIST-A --match-full-lines
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RUN: llvm-ar t add.a b/foo.txt | FileCheck %s --check-prefix=LIST-B --match-full-lines
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LIST-PARENT: foo.txt
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LIST-PARENT-NOT: a/foo.txt
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LIST-PARENT-NOT: b/foo.txt
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LIST-A: a/foo.txt
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LIST-B: b/foo.txt
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# Deleting members.
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RUN: rm -f del1.a
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RUN: llvm-ar rcST del1.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar d del1.a foo.txt
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RUN: llvm-ar t del1.a | FileCheck %s --check-prefix=DEL-1 --match-full-lines
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DEL-1-NOT: foo.txt
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DEL-1: a/foo.txt
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DEL-1-NEXT: b/foo.txt
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RUN: rm -f del2.a
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RUN: llvm-ar rcST del2.a a/foo.txt foo.txt b/foo.txt
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RUN: llvm-ar d del2.a a/foo.txt
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RUN: llvm-ar t del2.a | FileCheck %s --check-prefix=DEL-2 --match-full-lines
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DEL-2-NOT: a/foo.txt
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DEL-2: foo.txt
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DEL-2-NEXT: b/foo.txt
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