aboutsummaryrefslogtreecommitdiff
path: root/share/hydractl/sync-media
blob: 554e09aaf41ccf2b84a8213cc3aa3459065cde71 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
#!/bin/bash
#
# Sync media assets.
#

# Load
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load

# Parameters
REMOTE="$1"
REPOSITORY="$2"
VOLUME="/media/$REMOTE"
DOMAIN="`facter domain`"
HOST="`facter hostname`"
CACHE="/var/cache/$HOST/media"
MEDIA="media.$DOMAIN"
INCOMING="$CACHE/incoming"
WHOAMI="`whoami`"
OPTIONS="$*"

# Dependencies
hydra_install_package rsync
hydra_install_package unison
hydra_install_package git-annex

# Fix identity
function sync_media_identity {
  if [ -z "`git config --local user.email`" ] || [ -z "`git config --local user.name`" ]; then
    repo="$(basename `pwd`)"
    git config user.name "${repo^} Archive"
    git config user.email "$repo@localhost"
  fi
}

# Add files into the annex
function sync_media_add {
  git annex add .

  # Handle playlists which are generally not managed by git-annex
  if [ -d "playlists" ]; then
    git add playlists
  fi

  # Adds hidden files and symlinks, git+while version
  git status --porcelain -u | grep '^?? ' | sed -e 's/?? //' | while read file; do
    if [ -h "$file" ]; then
      git add "$file"
    else
      git annex add "$file"
    fi
  done
}

# Add meta files, making sure they're handled directly by Git
function sync_media_add_metadata {
  # Playlist files in the playlist folder
  if [ -d "playlists" ]; then
    find playlists -name '*.m3u' -type l -exec git annex unlock {} \;
    find playlists -name '*.m3u'         -exec git add {} \;
  fi

  # Koreader metadata files
  find -name metadata.pdf.lua     -type l -exec git annex unlock {} \;
  find -name metadata.pdf.lua             -exec git add {} \;
  find -name metadata.pdf.lua.old -type l -exec git annex unlock {} \;
  find -name metadata.pdf.lua.old         -exec git add {} \;

  # Darktable sidecar files
  find -name '*.xmp' -type l ! -path '*.git' -exec git annex unlock {} \;
  find -name '*.xmp'         ! -path '*.git' -exec git add {} \;
}

# If there is a playlists folder, make sure mpd user can write to it
function sync_media_playlist_perms {
  if [ -d "playlists" ]; then
    $sudo chmod 775 playlists
    $sudo chown -R mpd:audio playlists
    find playlists -type f -exec sudo chmod 664 {} \;
    find playlists -type d -exec sudo chmod 775 {} \;
  fi
}

# Fix incoming permissions
function sync_media_incoming_perms {
  if [ -d "$INCOMING" ]; then
    echo "Fixing $INCOMING permissions..."
    $sudo find $INCOMING -type f -exec chmod 664 {} \;
    $sudo find $INCOMING -type d -exec chmod 775 {} \;
    $sudo chown -R $WHOAMI:incoming $INCOMING
  fi
}

# Run fsck
function sync_media_fsck {
  if [ "$FSCK" == "true" ]; then
    git annex fsck --fast
  fi
}

# Run dropunused
function sync_media_dropunused {
  if [ "$DROPUNUSED" == "true" ]; then
    git annex unused
    git annex dropunused 1-1000
  fi
}

# Get copies of annexed files
function sync_media_get {
  local repo="$1"
  local numcopies

  if [ "`git -C $repo config sync-media.get`" != "false" ]; then
    if git -C $repo config sync-media.numcopies &> /dev/null; then
      numcopies="`git -C $repo config sync-media.numcopies`"
    else
      numcopies="3"
    fi

    git annex get . --numcopies=$numcopies
  fi
}

# Control whether the repository should have a copy of everything
function sync_media_getall {
  local repo="$1"

  if [ "`git -C $repo config sync-media.getall`" == "true" ]; then
    git annex get .
  fi
}

# Ensure we have a reference to the remote repository
function sync_media_ensure_remote {
  local remote="$1"
  local path="$2"

  if [ -z "$remote" ] || [ "$remote" == "local" ] || [ "$remote" == "localhost" ] || [ -z "$path" ]; then
    return
  fi

  # Check for local or remote repo
  if [ -z "$DRIVE" ]; then
    path="$REMOTE.$DOMAIN:$path"
  elif [ ! -d "$path/.git/annex" ]; then
    return
  fi

  if ! git remote | grep -q "^$remote$"; then
    git remote add $remote $path
  fi
}

# Set sudo config
if [ "$WHOAMI" != 'root' ]; then
  sudo="sudo"
else
  echo "Sorry, cannot run as root, since archives are usually user-managed"
  exit 1
fi

# Set fsck config
if echo $OPTIONS | grep -q -- "--fsck"; then
  FSCK="true"
fi

# Set unused config
if echo $OPTIONS | grep -q -- "--dropunused"; then
  DROPUNUSED="true"
fi

# Set drive config
# Ingore drive/volume if it's set to "local"
if [ ! -z "$REMOTE" ] && [ "$REMOTE" != "local" ] && [ "$REMOTE" != "localhost" ]; then
  # Check storage media
  MOUNT="`mount | grep $VOLUME`"
  if [ ! -z "$MOUNT" ]; then
    DRIVE="$(basename `echo $MOUNT | awk '{ print $1 }'`)"
  fi
fi

# Ensure cache exists
mkdir -p $CACHE

# Fix cache permissions
#echo "Fixing $CACHE permissions..."
#$sudo find $CACHE -type f -exec chmod 644 {} \;
#$sudo find $CACHE -type d -exec chmod 755 {} \;
$sudo chown $WHOAMI: $CACHE
$sudo chown $WHOAMI: $CACHE/*

# Check if a specific repository was passed via the command line
if [ ! -z "$REPOSITORY" ] && [ -d "$CACHE/$REPOSITORY" ] && ! echo "$REPOSITORY" | grep -q -- '--'; then
  REPOSITORIES="$REPOSITORY"
else
  REPOSITORIES="`ls $CACHE`"
fi

if echo $REPOSITORIES | grep -q "incoming"; then
  sync_media_incoming_perms
fi

# Iterate over existing repositories in the local cache
for folder in $REPOSITORIES; do
  # Sync each repository in the local cache
  if [ -d "$CACHE/$folder/.git/annex" ]; then
    if [ "`git -C $CACHE/$folder config sync-media.skip`" == "true" ]; then
      continue
    fi

    (
    cd $CACHE/$folder
    echo "Syncing $CACHE/$folder..."

    # Ensure the removable volume is in the list of remotes
    sync_media_ensure_remote $REMOTE $VOLUME/$MEDIA/$folder

    # Ensure the repository is identified
    sync_media_identity

    # Disable automatic syncing of content
    git config annex.synccontent false

    # Sync before changing anything, to make sure the history does not have
    # conflicts with other remotes
    git annex sync --no-content

    # Fix any playlist permissions
    sync_media_playlist_perms

    # Process metadata
    sync_media_add_metadata

    # Add new content, and catch up changes
    sync_media_add

    # Sync everything again
    git annex sync --no-content

    # Get all that needs to be got
    sync_media_getall $CACHE/$folder

    # Repository maintenance
    sync_media_fsck
    sync_media_dropunused
    )
  fi

  # Ensure the removable media has each repository listed in the local cache
  if [ ! -z "$DRIVE" ]; then
    mkdir -p $VOLUME/$MEDIA

    if [ -d "$CACHE/$folder/.git" ]; then
      if [ ! -d "$VOLUME/$MEDIA/$folder" ]; then
        (
        cd $VOLUME/$MEDIA
        echo "Initializing $VOLUME/$MEDIA/$folder..."
        git clone $CACHE/$folder && cd $folder && sync_media_identity && git remote rename origin $HOST
        cd $CACHE/$folder && git remote add $DRIVE $VOLUME/$MEDIA/$folder
        )

        if [ -d "$CACHE/$folder/.git/annex" ]; then
          (
          cd $VOLUME/$MEDIA/$folder
          git annex init $DRIVE && git config sync-media.getall true
          )
        fi
      fi
    elif [ ! -d "$VOLUME/$MEDIA/$folder" ]; then
      mkdir -p $VOLUME/$MEDIA/$folder

      # Set timestamp old enough to help unison guess which copy is newer
      touch -t 197001010000 $VOLUME/$MEDIA/$folder
    fi
  fi
done

# Process removable or remote media
if [ ! -z "$DRIVE" ] && [ -d "$VOLUME/$MEDIA" ]; then
  # Check if a specific repository was passed via the command line
  if [ ! -z "$REPOSITORY" ] && [ -d "$VOLUME/$MEDIA/$REPOSITORY" ] && ! echo "$REPOSITORY" | grep -q -- '--'; then
    REPOSITORIES="$REPOSITORY"
  else
    REPOSITORIES="`ls $VOLUME/$MEDIA`"
  fi

  # Iterate over existing repositories in the removable media
  for folder in $REPOSITORIES; do

    # Sync each local repository in the removable media
    if [ -d "$VOLUME/$MEDIA/$folder/.git/annex" ]; then
      if [ "`git -C $VOLUME/$MEDIA/$folder config sync-media.skip`" == "true" ]; then
        continue
      fi

      (
      cd $VOLUME/$MEDIA/$folder
      echo "Syncing $VOLUME/$MEDIA/$folder..."

      sync_media_playlist_perms
      sync_media_ensure_remote $HOST $CACHE/$folder
      sync_media_identity
      sync_media_add

      # Disable automatic syncing of content
      git config annex.synccontent false

      git annex sync --no-content
      sync_media_get    $VOLUME/$MEDIA/$folder
      sync_media_getall $VOLUME/$MEDIA/$folder
      sync_media_fsck
      sync_media_dropunused
      #git annex drop --auto --numcopies=2
      )
    elif [ -d "$CACHE/$folder" ] && [ ! -d "$CACHE/$folder/.git" ]; then
      # Avoid those configured to be skipped
      if [ ! -e "$CACHE/$folder/.sync-media/skip" ]; then
        echo "Syncing $CACHE/$folder with $VOLUME/$MEDIA/$folder..."

        if [ -e "$CACHE/$folder/.sync-media/method" ]; then
          method="`cat $CACHE/$folder/.sync-media/method`"
        else
          method="unison"
        fi

        if [ "$method" == "unison" ]; then
          unison $CACHE/$folder $VOLUME/$MEDIA/$folder -auto -logfile /dev/null
        elif [ "$method" == "rsync-to-media-volume" ]; then
          echo "Syncing $CACHE/$folder into $VOLUME/$MEDIA/$folder..."
          rsync -av --delete --exclude=.sync-media $CACHE/$folder/ $VOLUME/$MEDIA/$folder/
        elif [ "$method" == "rsync-from-media-volume" ]; then
          echo "Syncing $VOLUME/$MEDIA/$folder into $CACHE/$folder..."
          rsync -av --delete --exclude=.sync-media $VOLUME/$MEDIA/$folder/ $CACHE/$folder/
        elif [ "$method" == "rsync-if-empty-dest" ]; then
          # Ensure both endpoint folders exist
          mkdir -p $CACHE/folder
          mkdir -p $VOLUME/$MEDIA/$folder

          # One way rsync method, from the non-empty to the empty folder
          if [ ! -z "`ls -1 $CACHE/$folder`" ] && [ -z "`ls -1 $VOLUME/$MEDIA/$folder`" ]; then
            echo "Syncing $CACHE/$folder into $VOLUME/$MEDIA/$folder..."
            rsync -av --delete --exclude=.sync-media $CACHE/$folder/ $VOLUME/$MEDIA/$folder/
          elif [ ! -z "`ls -1 $VOLUME/$MEDIA/$folder`" ] && [ -z "`ls $CACHE/$folder`" ]; then
            echo "Syncing $VOLUME/$MEDIA/$folder into $CACHE/$folder..."
            rsync -av --delete --exclude=.sync-media $VOLUME/$MEDIA/$folder/ $CACHE/$folder/
          else
            echo "Skipping rsyncing between $CACHE/$folder and $VOLUME/$MEDIA/$folder since both are non-empty"
          fi
        elif [ "$method" == "" ]; then
          true
        else
          echo "Skipping unknown sync method $method"
        fi
      fi
    fi

    # Run an additional custom synchronizer
    if [ -x "$CACHE/$folder/.sync-media/custom" ]; then
      $CACHE/$folder/.sync-media/custom $VOLUME/$MEDIA/$folder
    fi

    # Ensure the local cache has each repository listed in the removable media
    if [ ! -d "$CACHE/$folder" ]; then
      if [ -d "$VOLUME/$MEDIA/$folder/.git" ]; then
        (
        cd $CACHE
        echo "Initializing $CACHE/$folder..."
        git clone $VOLUME/$MEDIA/$folder && cd $folder && sync_media_identity && git remote rename origin $REMOTE
        cd $VOLUME/$MEDIA/$folder && git remote add $HOST $CACHE/$folder
        )

        if [ -d "$VOLUME/$MEDIA/$folder/.git/annex" ]; then
          (
          cd $CACHE/$folder
          git annex init $HOST
          )
        fi
      else
        echo "Syncing $VOLUME/$MEDIA/$folder into $CACHE/$folder..."
        rsync -av --delete --exclude=.sync-media $VOLUME/$MEDIA/$folder/ $CACHE/$folder/
      fi
    fi
  done
elif [ ! -z "$REMOTE" ] && [ "$REMOTE" != "local" ] && [ "$REMOTE" != "localhost" ]; then
  # Try to copy to a remote
  for folder in `ls $CACHE`; do
    if [ -d "$CACHE/$folder/.git/annex" ]; then
      if [ "`git -C $CACHE/$folder config sync-media.skip`" == "true" ]; then
        continue
      fi

      sync_media_ensure_remote $REMOTE $CACHE/$folder

      (
      cd $CACHE/$folder
      git annex copy . --to $REMOTE
      git annex sync --no-content
      )
    else
      echo "Syncing $CACHE/$folder with ssh://$REMOTE.$DOMAIN/$CACHE/$folder..."
      unison $CACHE/$folder ssh://$REMOTE.$DOMAIN/$CACHE/$folder/ -auto -logfile /dev/null

      # Avoid empty source folders or those configured to be skipped
      #if [ ! -e "$CACHE/$folder/.sync-media/skip" ] && [ ! -z "`ls -1 $CACHE/$folder`" ]; then
      #  echo "Syncing $CACHE/$folder into $REMOTE.$DOMAIN:$CACHE/$folder..."
      #  rsync -av --delete --exclude=.sync-media $CACHE/$folder/ $REMOTE.$DOMAIN:$CACHE/$folder/
      #fi
    fi
  done
fi