diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/check_for_upgrade.sh | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh index e6a4a3d69..157b0cce2 100644 --- a/tools/check_for_upgrade.sh +++ b/tools/check_for_upgrade.sh @@ -32,6 +32,41 @@ function current_epoch() { echo $(( EPOCHSECONDS / 60 / 60 / 24 )) } +function is_update_available() { + local branch + branch=${"$(git -C "$ZSH" config --local oh-my-zsh.branch)":-master} + + local remote remote_url remote_repo + remote=${"$(git -C "$ZSH" config --local oh-my-zsh.remote)":-origin} + remote_url=$(git -C "$ZSH" config remote.$remote.url) + + local repo + case "$remote_url" in + https://github.com/*) repo=${${remote_url#https://github.com/}%.git} ;; + git@github.com:*) repo=${${remote_url#git@github.com:}%.git} ;; + *) + # If the remote is not using GitHub we can't check for updates + # Let's assume there are updates + return 0 ;; + esac + + # If the remote repo is not the official one, let's assume there are updates available + [[ "$repo" = ohmyzsh/ohmyzsh ]] || return 0 + local api_url="https://api.github.com/repos/${repo}/commits/${branch}" + + # Get local and remote HEADs and compare them. If we can't get either assume there are updates + local local_head remote_head + local_head=$(git -C "$ZSH" rev-parse $branch 2>/dev/null) || return 0 + + remote_head=$(curl -fsSL -H 'Accept: application/vnd.github.v3.sha' $api_url 2>/dev/null) \ + || remote_head=$(wget -O- --header='Accept: application/vnd.github.v3.sha' $api_url 2>/dev/null) \ + || remote_head=$(HTTP_ACCEPT='Accept: application/vnd.github.v3.sha' fetch -o - $api_url 2>/dev/null) \ + || return 0 + + # Compare local and remote HEADs + [[ "$local_head" != "$remote_head" ]] +} + function update_last_updated_file() { echo "LAST_EPOCH=$(current_epoch)" >! "${ZSH_CACHE_DIR}/.zsh-update" } @@ -69,6 +104,8 @@ function update_ohmyzsh() { # the shell actually exits what it's running. trap " ret=\$? + unset update_mode + unset -f current_epoch is_update_available update_last_updated_file update_ohmyzsh 2>/dev/null command rm -rf '$ZSH/log/update.lock' return \$ret " EXIT INT QUIT @@ -86,6 +123,11 @@ function update_ohmyzsh() { return fi + # Check if there are updates available before proceeding + if ! is_update_available; then + return + fi + # Ask for confirmation before updating unless in auto mode if [[ "$update_mode" = auto ]]; then update_ohmyzsh @@ -108,4 +150,4 @@ function update_ohmyzsh() { } unset update_mode -unset -f current_epoch update_last_updated_file update_ohmyzsh +unset -f current_epoch is_update_available update_last_updated_file update_ohmyzsh |