checkout: finish switch when tracking config cannot be written - #2268

checkout: finish switch when tracking config cannot be written#2268

tsukasaI wants to merge 3 commits into

gitgitgadget:maintgitgitgadget/git:maintfrom

tsukasaI:fix/branch-upstream-hint-shortnametsukasaI/git:fix/branch-upstream-hint-shortnameCopy head branch name to clipboard