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determining which files have the most Git commits

Use git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn | head.


1058 fffcba193374a85fd6a3490f800c6901218a950b src
 715 ffffe0f08798e95b66cc4ad4ff22cf10734d045e src/lib
 450 ffcfe596031a5985664e35937fff4ac9ff38dcca src/zfs-fuse
 367 ffc5d5340f95360fc9f7b739c5593dd3f92fced0 src/lib/libzpool
 202 ff92db000792044d45eec21c57a3cd21618631e7 src/lib/libsolkerncompat
 183 ff1a44edae3fd121ddd86864b589e5ab2f9ff99b src/lib/libzfscommon
 178 fec6b3a789e578983c2242b3aa5adf217cb8b887 src/lib/libzfs
 168 ffeefc9e81222d7c471bdb0911d8b98f23cff050 src/cmd
 167 fbd60bd3430765863648c52db7ceb3ffa15d5e50 src/lib/libzfscommon/include
 155 ff225f6b41f9557d683079c5f9276f497bcb06bd src/lib/libzfscommon/include/sys


  • git rev-list --objects --all gives all objects from all revisions in all branches.
  • awk '$2' ignores any results without a path.
  • sort -k2 sorts them by path.
  • uniq -cf1 makes them unique (ignoring the blob hash), prefixing lines with duplication count.
  • sort -rn sorts descending on duplication count.
  • head shows topmost lines.

Alternatively, to see only file blobs, use:

git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn |
    while read frequency sample path
       [ "blob" == "$(git cat-file -t $sample)" ] && echo -e "$frequency\t$path";


135 src/zfs-fuse/zfs_operations.c
84  src/zfs-fuse/zfs_ioctl.c
79  src/zfs-fuse/zfs_vnops.c
73  src/lib/libzfs/libzfs_dataset.c
67  src/lib/libzpool/spa.c
66  src/zfs-fuse/zfs_vfsops.c
62  src/cmd/zdb/zdb.c
60  src/cmd/ztest/ztest.c
60  src/lib/libzpool/arc.c

Alternatively, to see only specifc range of revisions, use:

git rev-list --after=2011-01-01 --until='two weeks ago' \
     tag1...remote/hotfix ^master

This will use only revisions in the specified date range, that are in the symmetric set difference for tag1 and remote/hotfix and are not in master.


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