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Merge pull request #80 from clong/update_circleci_git_logic

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Updating the CircleCI git diff-tree logic
This commit is contained in:
Chris Long
2018-03-24 14:35:20 -07:00
committed by GitHub
parent 07a90af59b 2469d3d85d
commit 6da816e98e
1 changed files with 28 additions and 28 deletions
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56
.circleci/config.yml
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@@ -11,38 +11,38 @@ jobs:
- run:
name: Choose which test suite to run based on which files were modified
command: |
## As far as I'm aware, there are three possibile cases to check for here. The CIRCLE_COMPARE_URL environment variable will either contain:
## - A SHA1 hash for the commit (If there is only a single commit on the branch)
## - Two SHA1 hashes in a "xxxxxxxx..yyyyyyyy" (comparing the two most recent commits
## - Nothing
## There is certainly a better way to accomplish all of this, but my limited knowledge of git has lead me to write this awful spaghetti code :-/
## We'll handle all 3 of these cases below:
## Checking commits for changes to Packer files
## This handles the cases where there are multiple commits
if echo "$CIRCLE_COMPARE_URL" | grep '\.\.'; then
if [ "$(git diff-tree --no-commit-id --name-only -r $(git rev-parse origin/HEAD) $(echo $CIRCLE_COMPARE_URL | cut -d '.' -f 5) | grep -c ^Packer/)" -gt 0 ]; then
export PACKER_MODIFIED=1
else
export PACKER_MODIFIED=0
fi
COMMIT_SHA1=""
PACKER_MODIFIED=0
VAGRANT_MODIFIED=0
## Check for empty CIRCLE_COMPARE_URL. If it is, set the SHA1 hash to the CIRCLE_SHA1 environment variable
if [ "$(echo -n $CIRCLE_COMPARE_URL | wc -c)" -eq 0 ]; then
export COMMIT_SHA1=$CIRCLE_SHA1
## Check for two short-hashes in the CIRCLE_COMPARE_URL by searching for '..'. If it exists, use the second short-hash
elif echo "$CIRCLE_COMPARE_URL" | grep '\.\.'; then
export COMMIT_SHA1="$(echo $CIRCLE_COMPARE_URL | cut -d '.' -f 5)"
## Check for a single short hash in the CIRCLE_COMPARE_URL and use it if it exists
## TODO: This check may not be needed.
else
## This handles the cases where there is only a single commit
export COMMIT_ID="$(echo $CIRCLE_COMPARE_URL | cut -d '/' -f 7)"
if [ "$(git diff-tree --no-commit-id --name-only -r $COMMIT_ID | grep -c ^Packer/)" -gt 0 ]; then
export PACKER_MODIFIED=1
else
export PACKER_MODIFIED=0
fi
export COMMIT_SHA1="$(echo $CIRCLE_COMPARE_URL | cut -d '/' -f 7)"
fi
## Checking commits for changes to Vagrant files
if echo "$CIRCLE_COMPARE_URL" | grep '\.\.'; then
if [ "$(git diff-tree --no-commit-id --name-only -r $(git rev-parse origin/HEAD) $(echo $CIRCLE_COMPARE_URL | cut -d '.' -f 5) | grep -c ^Vagrant/)" -gt 0 ]; then
export VAGRANT_MODIFIED=1
else
export VAGRANT_MODIFIED=0
fi
else
export COMMIT_ID="$(echo $CIRCLE_COMPARE_URL | cut -d '/' -f 7)"
if [ "$(git diff-tree --no-commit-id --name-only -r $COMMIT_ID | grep -c \"^Vagrant/\")" -gt 0 ]; then
export VAGRANT_MODIFIED=1
else
export VAGRANT_MODIFIED=0
fi
## Display the files that were modified in this branch
echo "Files modified since origin/Master:"
git diff-tree --no-commit-id --name-only -r $(git rev-parse origin/HEAD) "$COMMIT_SHA1"
## Check to see if Packer files were modified
if [ "$(git diff-tree --no-commit-id --name-only -r $(git rev-parse origin/HEAD) "$COMMIT_SHA1" | grep -c ^Packer/)" -gt 0 ]; then
export PACKER_MODIFIED=1
fi
if [ "$(git diff-tree --no-commit-id --name-only -r $(git rev-parse origin/HEAD) "$COMMIT_SHA1" | grep -c ^Vagrant/)" -gt 0 ]; then
export VAGRANT_MODIFIED=1
fi
echo "Displaying the values of the modifier environment variables:"
echo "VAGRANT_MODIFIED=$VAGRANT_MODIFIED"
echo "PACKER_MODIFIED=$PACKER_MODIFIED"
## Choosing which test suite to run based on the files that were changed