Add travis/check_new_grids.sh to check new submitted grids

Simulation of adding a bad GeoTIFF file in following log:
https://travis-ci.org/rouault/PROJ-data-tmp/builds/643019546

1 files changed, 38 insertions, 0 deletions

diff --git a/travis/check_new_grids.sh b/travis/check_new_grids.sh
new file mode 100755
index 0000000..c4f78b8
--- /dev/null
+++ b/travis/check_new_grids.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# Verify that grids added or modified in a pull request are conformant
+
+set -eu
+
+if [ -z "$TRAVIS_COMMIT_RANGE" ]; then
+        echo "No commit range given"
+        exit 0
+fi
+
+if [[ -n  $TRAVIS_PULL_REQUEST_BRANCH  ]]; then
+  # if on a PR, just analyze the changed files
+  echo "TRAVIS PR BRANCH: $TRAVIS_PULL_REQUEST_BRANCH"
+  FILES=$(git diff --diff-filter=AM --name-only $(git merge-base HEAD ${TRAVIS_BRANCH}) | tr '\n' ' ' )
+elif [[ -n  $TRAVIS_COMMIT_RANGE  ]]; then
+  echo "TRAVIS COMMIT RANGE: $TRAVIS_COMMIT_RANGE"
+  FILES=$(git diff --diff-filter=AM --name-only ${TRAVIS_COMMIT_RANGE/.../..} | tr '\n' ' ' )
+fi
+
+for f in $FILES; do
+    if ! [ -f "$f" ]; then
+            continue
+    fi
+
+    case "$f" in
+    *.tif)
+            ;;
+
+    *)
+            continue
+            ;;
+    esac
+
+    echo "Checking $f"
+    docker run --rm -v /home:/home osgeo/gdal:alpine-normal-latest gdalinfo $PWD/$f
+    docker run --rm -v /home:/home osgeo/gdal:alpine-normal-latest python3 $PWD/grid_tools/check_gtiff_grid.py $PWD/$f
+done