[DRE-maint] Bug#1006374: graphicsmagick breaks ruby-mini-magick autopkgtest: Failure/Error: expect(subject["EXIF:Flash"]).to eq "0"

[Bob Friesenhahn]

On Fri, 25 Feb 2022, László Böszörményi (GCS) wrote:
>>
>> Is the specific JPEG file which caused the issue available?
> Wild guess only, as I'm away from home right now. But that image can
> be exif.jpg [1] or any other from the 'fixtures' directory.
>
> Hope this helps,
> Laszlo/GCS
> [1] https://salsa.debian.org/ruby-team/ruby-mini-magick/-/blob/master/spec/fixtures/exif.jpg

This is what I get from 'gm identify -verbose exif.jpg' for the above 
file on my system.  Is the output different/failing on the targets 
with the problem?

Image: /home/bfriesen/src/minimagick.git/spec/fixtures/exif.jpg
   Format: JPEG (Joint Photographic Experts Group JFIF format)
   Geometry: 50x81
   Class: DirectClass
   Type: true color
   Depth: 8 bits-per-pixel component
   Channel Depths:
     Red:      8 bits
     Green:    8 bits
     Blue:     8 bits
   Channel Statistics:
     Red:
       Minimum:                     0.00 (0.0000)
       Maximum:                 65535.00 (1.0000)
       Mean:                    29908.26 (0.4564)
       Standard Deviation:      18652.70 (0.2846)
     Green:
       Minimum:                     0.00 (0.0000)
       Maximum:                 65535.00 (1.0000)
       Mean:                    28896.32 (0.4409)
       Standard Deviation:      18685.80 (0.2851)
     Blue:
       Minimum:                     0.00 (0.0000)
       Maximum:                 65535.00 (1.0000)
       Mean:                    28056.72 (0.4281)
       Standard Deviation:      18467.20 (0.2818)
   Resolution: 72x72 pixels
   Filesize: 14.7Ki
   Interlace: No
   Orientation: Unknown
   Background Color: white
   Border Color: #DFDFDF
   Matte Color: #BDBDBD
   Page geometry: 50x81+0+0
   Compose: Over
   Dispose: Undefined
   Iterations: 0
   Compression: JPEG
   JPEG-Quality: 93
   JPEG-Colorspace: 2
   JPEG-Colorspace-Name: RGB
   JPEG-Sampling-factors: 1x2,1x1,1x1
   Signature: 32e486a5139c320c9eff1667ee4e9261d8eec83c51fe408913fa22eb0d87dcfc
   Profile-EXIF: 7576 bytes
     Make: samsung
     Model: SM-G925F
     Orientation: 0
     X Resolution: 72/1
     Y Resolution: 72/1
     Resolution Unit: 0
     Software: GIMP 2.8.10
     Date Time: 2016:11:12 16:00:01
     Y Cb Cr Positioning: 1
     Exif Offset: 200
     Exposure Time: 1/25
     F Number: 19/10
     Exposure Program: 2
     ISO Speed Ratings: 200
     Exif Version: 0220
     Date Time Original: 2016:11:12 09:17:56
     Date Time Digitized: 2016:11:12 09:17:56
     Shutter Speed Value: 464/100
     Aperture Value: 185/100
     Brightness Value: 30/100
     Exposure Bias Value: 0/10
     Max Aperture Value: 185/100
     Metering Mode: 2
     Flash: 0
     Focal Length: 430/100
     Maker Note: \007\000\001\000\007\000\004\000\000\0000100\002\000\004\000\001\000\000\000\000 \001\000\014\000\004\000\001\000\000\000\000\000\000\000\020\000\005\000\001\000\000\000Z\000\000\000@\000\004\000\001\000\000\000\000\000\000\000P\000\004\000\001\000\000\000\001\000\000\000\000\001\003\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000
     User Comment: \000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000
     Flash Pix Version: 0100
     Color Space: 1
     Exif Image Width: 1459
     Exif Image Length: 2360
     Exposure Mode: 0
     White Balance: 0
     Focal Length In35mm Film: 28
     Scene Capture Type: 0
     Image UniqueID: A16LSIA00VM A16LSIL02SM\012
   Profile-XMP: 4102 bytes
   Tainted: False
   Elapsed Time: 0m:0.000187s
   Pixels Per Second: 20.6Mi

Bob
-- 
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
Public Key,     http://www.simplesystems.org/users/bfriesen/public-key.txt