Support passing relative paths to --yadm-* and -w

Relative paths are expanded relative the current working dir as
expected.

test/test_init.py

@@ -45,13 +45,18 @@ def test_init(
 
     # command args
     args = ['init']
+    cwd = None
     if alt_work:
-        args.extend(['-w', paths.work])
+        if force:
+            cwd = paths.work.dirname
+            args.extend(['-w', paths.work.basename])
+        else:
+            args.extend(['-w', paths.work])
     if force:
         args.append('-f')
 
     # run init
-    run = runner(yadm_cmd(*args), env={'HOME': home})
+    run = runner(yadm_cmd(*args), env={'HOME': home}, cwd=cwd)
 
     if repo_present and not force:
         assert run.failure

test/test_unit_configure_paths.py

@@ -32,26 +32,30 @@ YDATA = '.local/share/yadm'
         'override archive',
         'override bootstrap',
     ])
-def test_config(runner, paths, override, expect):
+@pytest.mark.parametrize(
+    'path', ['.', './override', 'override', '.override', '/override'], ids=[
+        'cwd', './relative', 'relative', 'hidden relative', 'absolute'
+    ])
+def test_config(runner, paths, override, expect, path):
     """Test configure_paths"""
-    opath = 'override'
-    matches = match_map()
-    args = []
+    if path.startswith('/'):
+        expected_path = path
+    else:
+        expected_path = str(paths.root.join(path))
+
+    args = [override, path] if override else []
+
     if override == '-Y':
-        matches = match_map('/' + opath)
-    if override == '--yadm-data':
-        matches = match_map(None, '/' + opath)
+        matches = match_map(expected_path)
+    elif override == '--yadm-data':
+        matches = match_map(None, expected_path)
+    else:
+        matches = match_map()
 
-    if override:
-        args = [override, '/' + opath]
-        for ekey in expect.keys():
-            matches[ekey] = f'{expect[ekey]}="/{opath}"'
-        run_test(
-            runner, paths,
-            [override, opath],
-            ['must specify a fully qualified'], 1)
+    for ekey in expect.keys():
+        matches[ekey] = f'{expect[ekey]}="{expected_path}"'
 
-    run_test(runner, paths, args, matches.values(), 0)
+    run_test(runner, paths, args, matches.values(), cwd=str(paths.root))
 
 
 def match_map(yadm_dir=None, yadm_data=None):
@@ -71,7 +75,7 @@ def match_map(yadm_dir=None, yadm_data=None):
         }
 
 
-def run_test(runner, paths, args, expected_matches, expected_code=0):
+def run_test(runner, paths, args, expected_matches, cwd=None):
     """Run proces global args, and run configure_paths"""
     argstring = ' '.join(['"'+a+'"' for a in args])
     script = f"""
@@ -83,9 +87,8 @@ def run_test(runner, paths, args, expected_matches, expected_code=0):
         configure_paths
         declare -p | grep -E '(YADM|GIT)_'
     """
-    run = runner(command=['bash'], inp=script)
-    assert run.code == expected_code
-    assert run.success == (run.code == 0)
-    assert (run.err if run.success else run.out) == ''
+    run = runner(command=['bash'], inp=script, cwd=cwd)
+    assert run.success
+    assert run.err == ''
     for match in expected_matches:
-        assert match in run.out if run.success else run.err
+        assert match in run.out

yadm

@@ -130,10 +130,7 @@ function main() {
             [ "$YADM_COMMAND" = "config" ] && YADM_ARGS+=("$1")
           ;;
           -w) # used by init() and clone()
-            if [[ ! "$2" =~ ^/ ]] ; then
-              error_out "You must specify a fully qualified work tree"
-            fi
-            YADM_WORK="$2"
+            YADM_WORK="$(qualify_path "$2" "work tree")"
             shift
           ;;
           *) # any unhandled arguments
@@ -1495,52 +1492,31 @@ function process_global_args() {
     key="$1"
     case $key in
       -Y|--yadm-dir) # override the standard YADM_DIR
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified yadm directory"
-        fi
-        YADM_DIR="$2"
+        YADM_DIR="$(qualify_path "$2" "yadm")"
         shift
       ;;
       --yadm-data) # override the standard YADM_DATA
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified yadm data directory"
-        fi
-        YADM_DATA="$2"
+        YADM_DATA="$(qualify_path "$2" "data")"
         shift
       ;;
       --yadm-repo) # override the standard YADM_REPO
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified repo path"
-        fi
-        YADM_OVERRIDE_REPO="$2"
+        YADM_OVERRIDE_REPO="$(qualify_path "$2" "repo")"
         shift
       ;;
       --yadm-config) # override the standard YADM_CONFIG
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified config path"
-        fi
-        YADM_OVERRIDE_CONFIG="$2"
+        YADM_OVERRIDE_CONFIG="$(qualify_path "$2" "config")"
         shift
       ;;
       --yadm-encrypt) # override the standard YADM_ENCRYPT
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified encrypt path"
-        fi
-        YADM_OVERRIDE_ENCRYPT="$2"
+        YADM_OVERRIDE_ENCRYPT="$(qualify_path "$2" "encrypt")"
         shift
       ;;
       --yadm-archive) # override the standard YADM_ARCHIVE
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified archive path"
-        fi
-        YADM_OVERRIDE_ARCHIVE="$2"
+        YADM_OVERRIDE_ARCHIVE="$(qualify_path "$2" "archive")"
         shift
       ;;
       --yadm-bootstrap) # override the standard YADM_BOOTSTRAP
-        if [[ ! "$2" =~ ^/ ]] ; then
-          error_out "You must specify a fully qualified bootstrap path"
-        fi
-        YADM_OVERRIDE_BOOTSTRAP="$2"
+        YADM_OVERRIDE_BOOTSTRAP="$(qualify_path "$2" "bootstrap")"
         shift
       ;;
       *) # main arguments are kept intact
@@ -1552,6 +1528,20 @@ function process_global_args() {
 
 }
 
+function qualify_path() {
+    local path="$1"
+    if [[ -z "$path" ]]; then
+        error_out "You can't specify an empty $2 path"
+    fi
+
+    if [[ "$path" = "." ]]; then
+        path="$PWD"
+    elif [[ "$path" != /* ]]; then
+        path="$PWD/${path#./}"
+    fi
+    echo "$path"
+}
+
 function set_yadm_dirs() {
 
   # only resolve YADM_DATA if it hasn't been provided already

yadm.1

@@ -331,7 +331,7 @@ alias yadm='yadm --yadm-repo /alternate/path/to/repo'
 .RE
 
 The following is the full list of universal options.
-Each option should be followed by a fully qualified path.
+Each option should be followed by a path.
 .TP
 .B -Y,--yadm-dir
 Override the yadm directory.