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-rw-r--r--doc/developer-notes.md2
-rw-r--r--test/lint/README.md6
-rwxr-xr-xtest/lint/git-subtree-check.sh2
3 files changed, 8 insertions, 2 deletions
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index b33b3ad18a..cba68f4099 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -874,7 +874,7 @@ Others are external projects without a tight relationship with our project. Chan
be sent upstream, but bugfixes may also be prudent to PR against Bitcoin Core so that they can be integrated
quickly. Cosmetic changes should be purely taken upstream.
-There is a tool in `test/lint/git-subtree-check.sh` to check a subtree directory for consistency with
+There is a tool in `test/lint/git-subtree-check.sh` ([instructions](../test/lint#git-subtree-checksh)) to check a subtree directory for consistency with
its upstream repository.
Current subtrees include:
diff --git a/test/lint/README.md b/test/lint/README.md
index 6b95cc3540..d15c061288 100644
--- a/test/lint/README.md
+++ b/test/lint/README.md
@@ -23,6 +23,12 @@ maintained:
* for `src/crypto/ctaes`: https://github.com/bitcoin-core/ctaes.git (branch master)
* for `src/crc32c`: https://github.com/google/crc32c.git (branch master)
+To do so, add the upstream repository as remote:
+
+```
+git remote add --fetch secp256k1 https://github.com/bitcoin-core/secp256k1.git
+```
+
Usage: `git-subtree-check.sh DIR (COMMIT)`
`COMMIT` may be omitted, in which case `HEAD` is used.
diff --git a/test/lint/git-subtree-check.sh b/test/lint/git-subtree-check.sh
index caa7affc63..5a0500df25 100755
--- a/test/lint/git-subtree-check.sh
+++ b/test/lint/git-subtree-check.sh
@@ -81,7 +81,7 @@ fi
# get the tree in the subtree commit referred to
if [ "d$(git cat-file -t $rev 2>/dev/null)" != dcommit ]; then
- echo "subtree commit $rev unavailable: cannot compare" >&2
+ echo "subtree commit $rev unavailable: cannot compare. Did you add and fetch the remote?" >&2
exit
fi
tree_subtree=$(git show -s --format="%T" $rev)