100 lines
3.5 KiB
Bash
100 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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# ------------------------------------------------------------------------------
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# Copyright (c) 2013-2026 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# Protected by the BSD3 license. Please read bellow for details.
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#
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# * Redistribution and use in source and binary forms,
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# * with or without modification, are permitted provided
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# * that the following conditions are met:
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# *
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# * Redistributions of source code must retain the above
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# * copyright notice, this list of conditions and the
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# * following disclaimer.
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# *
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# * Redistributions in binary form must reproduce the above
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# * copyright notice, this list of conditions and the following
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# * disclaimer in the documentation and/or other materials
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# * provided with the distribution.
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# *
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# * Neither the name of the copyright holder nor the names
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# * of any other contributors may be used to endorse or
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# * promote products derived from this software without
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# * specific prior written permission.
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# *
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# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# * OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# Private helpers of profile.d/git.sh, loaded by the module itself.
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# Internal helper: ensure git is available and cwd is a git worktree
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_git_require_repo()
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{
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if ! command -v git >/dev/null 2>&1; then
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disp E "git command not found."
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return 1
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fi
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if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
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disp E "Current directory is not inside a git repository."
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return 1
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fi
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return 0
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}
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export -f _git_require_repo
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# Internal helper: return default branch from remote HEAD, fallback to config
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_git_default_branch()
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{
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local remote="${1:-$GIT_DEFAULT_REMOTE}"
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local head
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head=$(git symbolic-ref --quiet --short "refs/remotes/${remote}/HEAD" 2>/dev/null) || true
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if [[ -n $head ]]; then
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printf "%s\n" "${head#"${remote}"/}"
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return 0
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fi
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printf "%s\n" "$GIT_MAIN_BRANCH"
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return 0
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}
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export -f _git_default_branch
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# Internal helper: print the name of the checked-out branch; fail with an error
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# message on a detached HEAD (commands that push or rebase need a branch).
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_git_current_branch()
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{
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local b
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b=$(git symbolic-ref --quiet --short HEAD 2>/dev/null) || {
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disp E "HEAD is detached: check out a branch first."
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return 1
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}
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printf "%s\n" "$b"
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}
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export -f _git_current_branch
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# Internal helper: print "<remote><TAB><branch>" for the remote branch tracked
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# by local branch $1, read from its configuration (branch.<name>.remote/.merge).
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# Unlike parsing the "origin/feature/x" form given by @{u}, this is exact for
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# remote and branch names containing slashes. Fails when nothing is tracked or
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# when the branch tracks another local branch (remote ".").
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_git_tracking()
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{
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local branch=$1 remote merge
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remote=$(git config --get "branch.${branch}.remote") || return 1
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merge=$(git config --get "branch.${branch}.merge") || return 1
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[[ $remote == "." ]] && return 1
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printf "%s\t%s\n" "$remote" "${merge#refs/heads/}"
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}
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export -f _git_tracking
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