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first_line_history.py: 7-char hashes #282

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Merged
simonw merged 1 commit into from
May 16, 2026
+5 −5
Merged

first_line_history.py: 7-char hashes #282

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6 changes: 3 additions & 3 deletions python/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,9 @@ uv run https://tools.simonwillison.net/python/first_line_history.py ~/dev/datase
```
Output example:
```
2017-11-13T10:41:53-08:00 e838bd # datasette
2017-11-24T19:46:24-08:00 efb82d # Datasette
2021-11-12T06:18:31-08:00 c92ab5 <img src="https://datasette.io/static/datasette-logo.svg" alt="Datasette">
2017-11-13T10:41:53-08:00 e838bd7 # datasette
2017-11-24T19:46:24-08:00 efb82da # Datasette
2021-11-12T06:18:31-08:00 c92ab51 <img src="https://datasette.io/static/datasette-logo.svg" alt="Datasette">
```

## macos-windows.py
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4 changes: 2 additions & 2 deletions python/first_line_history.py
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Expand Up @@ -2,7 +2,7 @@
"""Print every change to the first line of a file across its git history.

Output format, one line per change (oldest first):
<iso-datetime> <6-char-hash> <first line content>
<iso-datetime> <7-char-hash> <first line content>
"""
import os
import subprocess
Expand Down Expand Up @@ -107,7 +107,7 @@ def main(argv):
if first is None:
continue
if first != previous:
print(f"{date} {sha[:6]} {first}")
print(f"{date} {sha[:7]} {first}")
previous = first

if not saw_any:
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