json/doc/scripts/git-update-ghpages

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#!/usr/bin/env bash
set -o errexit
copy_contents() {
local source="$1"
status "Copying contents from $source"
if [[ ! "$dryrun" == "1" ]]; then
(cd "$source" >/dev/null && tar c .) | tar xv
else
_ "(cd \"$source\" >/dev/null && tar c .) | tar xv"
fi
}
# Sets git config
set_config() {
if [ -n "$GIT_NAME" ]; then _ git config user.name "$GIT_NAME"; fi
if [ -n "$GIT_EMAIL" ]; then _ git config user.email "$GIT_EMAIL"; fi
}
# Runs the deployment
run() {
if [ ! -d "$source" ]; then
echo "Source is not a directory: $source"
exit 1
fi
local tmpdir="$(mktemp -d)"
if [[ "$force" == "1" ]]; then
_ cd "$tmpdir"
_ git init
_ git checkout -b "$branch"
copy_contents "$source"
if [[ "$useenv" == "1" ]]; then set_config; fi
_ git add -A .
git_commit
git_push --force
else
_ cd "$tmpdir"
_ git clone "$repo" . -b "$branch" || ( \
_ git init && \
_ git checkout -b "$branch")
if [[ "$keep" == "0" ]]; then _ rm -rf ./*; fi
copy_contents "$source"
if [[ "$useenv" == "1" ]]; then set_config; fi
_ git add -A .
git_commit || true
git_push
fi
_ rm -rf "$tmpdir"
status_ "Done"
}
git_commit() {
if [ -z "$author" ]; then
_ git commit -m "$message"
else
_ git commit -m "$message" --author "$author"
fi
}
git_push() {
if [ -z "$GITHUB_TOKEN" ]; then
_ git push "${repo}" "$branch" "$@"
else
status "Pushing via \$GITHUB_TOKEN $@"
_ git push "https://${GITHUB_TOKEN}@github.com/${repospec}.git" "$branch" "$@" \
--quiet >/dev/null 2>&1 || \
( status_ "Failed to push"; exit 1 )
fi
}
status() {
echo -e "\n\033[34m==>\033[0;1m" "$@\033[0m"
}
status_() {
echo -e "\033[33;1m==>\033[0m" "$@"
}
_() {
echo ""
status_ "$@"
if [[ ! "$dryrun" == "1" ]]; then "$@"; fi
}
help() {
local cmd="$(basename $0)"
echo 'Usage:'
echo " $cmd <REPO> <SOURCE>"
echo ''
echo 'Parameters:'
echo " REPO repository to push to in 'user/repo' form"
echo " SOURCE path to upload to repository's gh-pages branch"
echo ''
echo 'Options:'
echo ' -h, --help show help screen'
echo ' -f, --force force push'
echo ' -n, --dry-run run in simulation mode'
echo ' -e, --use-env pick up arguments from environment variables'
echo ' -b, --branch use this branch name (default: gh-pages)'
echo ' -a, --author set the author'
echo ' -k, --keep keep existing files in the repo'
echo ''
echo 'Env var options:'
echo ' GITHUB_TOKEN if set, use this to push to the repo'
echo ''
echo 'Optional env vars:'
echo " Run with '-e' to enable the use of these variables."
echo " GIT_NAME set this as the repos user.name"
echo ' GIT_EMAIL set this as the repos user.email'
echo ' GITHUB_REPO substitute as the REPO (1st argument)'
echo ' GIT_SOURCE substitute as the SOURCE (2nd argument)'
echo ' GIT_BRANCH use this branch name (--branch)'
echo ''
echo 'Example:'
echo " $cmd rstacruz/myproject doc"
echo " # pushes './doc' into the gh-pages branch of rstacruz/myproject"
echo ''
echo " export GITHUB_REPO='xyz/abc'"
echo " export GIT_SOURCE='docs'"
echo " $cmd -e"
echo " # pushes './doc' into the gh-pages branch of xyz/abc"
}
#
# Defaults
#
force=0
dryrun=0
repospec=
source=
branch=
message="Update"
useenv=0
author=""
keep=0
#
# Parse args
#
while [[ "$1" =~ ^- && ! "$1" == '--' ]]; do case $1 in
-h | --help )
help
exit
;;
-b | --branch )
shift
branch="$1"
;;
-n | --dry-run )
dryrun=1
;;
-e | --use-env )
useenv=1
;;
-k | --keep )
keep=1
;;
-a | --author)
shift
author="$1"
;;
-f | --force )
force=1
;;
esac; shift; done
if [[ "$1" == '--' ]]; then shift; fi
if [[ "$useenv" == "1" ]] && [[ -n "$GIT_BRANCH" ]] && [[ -z "$branch" ]]; then
branch="$GIT_BRANCH"
fi
if [[ "$useenv" == "1" ]] && [[ -n "$GITHUB_REPO" ]] && [[ -n "$GIT_SOURCE" ]] && [[ -z "$2" ]]; then
repospec="$GITHUB_REPO"
source="$GIT_SOURCE"
else
repospec="$1"
source="$2"
fi
: ${branch:="gh-pages"}
if [ -z "$source" ]; then
help
exit 1
fi
source="`pwd -LP`/$source"
repo="https://github.com/${repospec}.git"
run