moved helpers separately

2026-10-13 16:21:24 +02:00
parent ba1e07744e
commit 9911f6d01d
33 changed files with 1489 additions and 1089 deletions
@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+# ------------------------------------------------------------------------------
+# Copyright (c) 2013-2026 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
+# Protected by the BSD3 license. Please read bellow for details.
+#
+# * Redistribution and use in source and binary forms,
+# * with or without modification, are permitted provided
+# * that the following conditions are met:
+# *
+# *   Redistributions of source code must retain the above
+# *   copyright notice, this list of conditions and the
+# *   following disclaimer.
+# *
+# *   Redistributions in binary form must reproduce the above
+# *   copyright notice, this list of conditions and the following
+# *   disclaimer in the documentation and/or other materials
+# *   provided with the distribution.
+# *
+# *   Neither the name of the copyright holder nor the names
+# *   of any other contributors may be used to endorse or
+# *   promote products derived from this software without
+# *   specific prior written permission.
+# *
+# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# * OF SUCH DAMAGE.
+# ------------------------------------------------------------------------------
+
+# Private helpers of profile.d/git.sh, loaded by the module itself.
+
+# Internal helper: ensure git is available and cwd is a git worktree
+_git_require_repo()
+{
+	if ! command -v git >/dev/null 2>&1; then
+		disp E "git command not found."
+		return 1
+	fi
+
+	if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+		disp E "Current directory is not inside a git repository."
+		return 1
+	fi
+
+	return 0
+}
+export -f _git_require_repo
+
+# Internal helper: return default branch from remote HEAD, fallback to config
+_git_default_branch()
+{
+	local remote="${1:-$GIT_DEFAULT_REMOTE}"
+	local head
+
+	head=$(git symbolic-ref --quiet --short "refs/remotes/${remote}/HEAD" 2>/dev/null) || true
+	if [[ -n $head ]]; then
+		printf "%s\n" "${head#"${remote}"/}"
+		return 0
+	fi
+
+	printf "%s\n" "$GIT_MAIN_BRANCH"
+	return 0
+}
+export -f _git_default_branch
+
+# Internal helper: print the name of the checked-out branch; fail with an error
+# message on a detached HEAD (commands that push or rebase need a branch).
+_git_current_branch()
+{
+	local b
+	b=$(git symbolic-ref --quiet --short HEAD 2>/dev/null) || {
+		disp E "HEAD is detached: check out a branch first."
+		return 1
+	}
+	printf "%s\n" "$b"
+}
+export -f _git_current_branch
+
+# Internal helper: print "<remote><TAB><branch>" for the remote branch tracked
+# by local branch $1, read from its configuration (branch.<name>.remote/.merge).
+# Unlike parsing the "origin/feature/x" form given by @{u}, this is exact for
+# remote and branch names containing slashes. Fails when nothing is tracked or
+# when the branch tracks another local branch (remote ".").
+_git_tracking()
+{
+	local branch=$1 remote merge
+	remote=$(git config --get "branch.${branch}.remote") || return 1
+	merge=$(git config --get "branch.${branch}.merge") || return 1
+	[[ $remote == "." ]] && return 1
+	printf "%s\t%s\n" "$remote" "${merge#refs/heads/}"
+}
+export -f _git_tracking