1  #!/bin/bash
 2  ## git support
 3  
 4  ## * is_git_project - checks whenever a '.git' exists
 5  function is_git_project
 6  {
 7      [[ -e "$WORKTREE_DIR/.git" ]]
 8  }
 9  
10  is_git_project || die "not a git project (cehgit requires git)"
11  
12  ## * git_branch_name - returns the branch name that is checked out, dies when not in a git branch
13  function git_branch_name
14  {
15      memo_ok git branch --show-current
16  }
17  
18  ## * git_is_modified - checks that there are no modified files
19  function git_is_modified
20  {
21      if git diff --exit-code; then
22          debug "nothing modified"
23          return 0
24      else
25          info "files got modified"
26          return 1
27      fi
28  }
29  
30  ## * git_branch_matches [branchpattern..] - checks that the current git branch matches any of the patterns
31  function git_branch_matches
32  {
33      # shellcheck disable=SC2155
34      local branch=$(git_branch_name)
35      for pat in "$@"; do
36          [[ "$branch" =~ $pat ]] && {
37              debug "$branch matches $pat"
38              return 0
39          }
40      done
41      trace "$branch does not match $*"
42      return 1
43  }
44  
45  ## * git_hook_matches [hookpattern..] - checks that action is called from one of the given githooks
46  function git_hook_matches
47  {
48      for pat in "$@"; do
49          [[ "$CEHGIT_HOOK" =~ $pat ]] && {
50              debug "$CEHGIT_HOOK matched"
51              return 0
52          }
53      done
54      trace "$CEHGIT_HOOK not matched"
55      return 1
56  }
57  
58  memofn git_is_modified git_branch_matches git_hook_matches