DevOps

What this error means Git shows fatal: tag 'NAME' already exists when you try to create a tag with a name that’s already present in your local repository. If pushing, the server may reject with failed to push some refs because the tag......

What this warning means Git prints "warning: refname 'X' is ambiguous" when the name you typed matches more than one reference (branch, tag, remote branch, etc.), or can be mistaken for a path. Examples: A branch and a tag named......

What this error means You are pushing commits directly to a branch that the remote server has marked as protected (commonly main or master). Protection rules block direct pushes to enforce reviews, checks, or prevent force-pushes. The......

Overview Git shows “error: cannot spawn gpg: No such file or directory” when it cannot find the GnuPG binary while signing commits or tags. Fix it by installing GnuPG, ensuring it’s on PATH, and pointing Git to the absolute gpg......

What this error means Git failed to parse a config file. You’ll see messages like: fatal: bad config file at: /path/to/.git/config: line 12 error: malformed config file in: ~/.gitconfig The fix is to identify the broken file and correct......

Overview This error happens when you try to switch branches (checkout/switch) and Git sees an untracked file in your working tree that would be overwritten by a tracked file from the target branch. Git stops to protect your untracked......

Overview Category: DevOps Collection: Git Topic: How to fix 'fatal: refusing to merge because you have unstaged changes' Git blocks a merge when your working tree has unstaged edits that would be overwritten by the merge. This protects......

Why commits get blocked A Git pre-commit hook runs before a commit is created. If any hook exits with a non-zero status, Git aborts the commit and shows “pre-commit hook failed.” This is intended to prevent bad code, formatting drift, or......

Topic: How to fix 'error: failed to push some refs (pre-receive hook declined)' Category: DevOps • Collection: Git This error means the remote server ran a pre-receive hook and rejected your push. It’s not a network glitch or a local Git......

Overview The error "gpg: signing failed: Inappropriate ioctl for device" means GnuPG couldn’t prompt for your passphrase because it lacks a usable terminal (TTY) or pinentry program. This is common in headless shells,......

What this error means Git is trying to sign a commit/tag with GnuPG, but GPG cannot find a matching private (secret) key with signing capability. Common causes: No secret key exists on this machine. Git is pointing at the wrong key or......

Overview The Git error "gpg failed to sign the data" occurs when Git calls GnuPG (gpg) to sign a commit or tag but GPG cannot complete the signature. Typical causes: No secret key configured or wrong key selected gpg.program......