[Buildroot] [PATCH 1/7 v4] download/git: add warning not to use our git cache
Yann E. MORIN
yann.morin.1998 at free.fr
Sat Apr 28 19:34:43 UTC 2018
We really want the user not to use our git cache manually, or their
changes (committed or not) may eventually get lost.
So, add a warning file, not unlike the one we put in the target/
directory, to warn the user not to use the git tree.
Ideally, we would have carried this file in support/misc/, but the git
backend does not have acces to it: the working directory is somewhere
unknown, and TOPDIR is not exported in the environment.
So, we have to carry it in-line in the backend instead.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Maxime Hadjinlian <maxime.hadjinlian at gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Cc: Ricardo Martincoski <ricardo.martincoski at gmail.com>
Cc: Arnout Vandecappelle <arnout at mind.be>
---
support/download/git | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/support/download/git b/support/download/git
index bf05c595a5..3b5c8a6cfe 100755
--- a/support/download/git
+++ b/support/download/git
@@ -43,6 +43,24 @@ _git() {
eval GIT_DIR="${git_cache}/.git" ${GIT} "${@}"
}
+# Create a warning file, that the user should not use the git cache.
+# It's ours. Our precious.
+cat <<-_EOF_ >"${dl_dir}/git.readme"
+ IMPORTANT NOTE!
+
+ The git tree located in this directory is for the exclusive use
+ by Buildroot, which uses it as a local cache to reduce bandwidth
+ usage.
+
+ Buildroot *will* trash any changes in that tree whenever it needs
+ to use it. Buildroot may even remove it in case it detects the
+ repository may have been damaged or corrupted.
+
+ Do *not* work in that directory; your changes will eventually get
+ lost. Do *not* even use it as a remote, or as the source for new
+ worktrees; your commits will eventually get lost.
+_EOF_
+
# Initialise a repository in the git cache. If the repository already
# existed, this is a noop, unless the repository was broken, in which
# case this magically restores it to working conditions. In the latter
--
2.14.1
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