Sync with 2.19.6

* maint-2.19:
  Git 2.19.6
  Git 2.18.5
  Git 2.17.6
  unpack_trees(): start with a fresh lstat cache
  run-command: invalidate lstat cache after a command finished
  checkout: fix bug that makes checkout follow symlinks in leading path
This commit is contained in:
Johannes Schindelin
2021-02-12 15:49:17 +01:00
12 changed files with 216 additions and 4 deletions

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Git v2.17.6 Release Notes
=========================
This release addresses the security issues CVE-2021-21300.
Fixes since v2.17.5
-------------------
* CVE-2021-21300:
On case-insensitive file systems with support for symbolic links,
if Git is configured globally to apply delay-capable clean/smudge
filters (such as Git LFS), Git could be fooled into running
remote code during a clone.
Credit for finding and fixing this vulnerability goes to Matheus
Tavares, helped by Johannes Schindelin.

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Git v2.18.5 Release Notes
=========================
This release merges up the fixes that appear in v2.17.6 to address
the security issue CVE-2021-21300; see the release notes for that
version for details.

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Git v2.19.6 Release Notes
=========================
This release merges up the fixes that appear in v2.17.6 and
v2.18.5 to address the security issue CVE-2021-21300; see the
release notes for these versions for details.